Palettes / Colors / #397AED
#397AED — Vivid Blue
#397AED is a blue color we call Vivid Blue, closest to the named color RoyalBlue (#4169E1). It belongs to the blue family.
Color name
Closest CSS keyword: royalblue (#4169E1) — not an exact match. CSS royalblue gives you #4169E1, a different color; use #397AED when you need this exact shade.
Sources: common names follow widely used color-name references; CSS keywords and their hex values follow the CSS Color specification.
#397AED is a cool blue color associated with trust, calm and professionalism. It is saturated enough to be the accent — buttons, highlights and calls to action — while neutrals do the quiet work around it.
Its strongest partner is its complement #EDAC3B; it also sits naturally between #3BD5ED and #533BED. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #397AED |
|---|---|
| RGB | 57, 122, 237 |
| HSL | 218°, 83%, 58% |
| HSV | 218°, 76%, 93% |
| CMYK | 76%, 49%, 0%, 7% |
| XYZ | 23.93, 20.90, 82.89 |
| Yxy | 20.90, 0.1874, 0.1637 |
| CIE-Lab | 52.84, 19.00, -63.93 |
| Hunter Lab | 45.72, 16.12, -80.98 |
RGB & CMYK percentages
Red 22% · Green 48% · Blue 93%
Cyan 76% · Magenta 49% · Yellow 0% · Key 7%
CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.
Previews
Lorem ipsum dolor sit amet, consectetur adipiscing elit.
Lorem ipsum dolor sit amet, consectetur adipiscing elit.
CSS code for #397AED
.text { color: #397AED; }
.background { background-color: #397AED; }
.border { border: 3px solid #397AED; }
.text-rgb { color: rgb(57, 122, 237); }
.text-hsl { color: hsl(218, 83%, 58%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #397AED; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(57, 122, 237, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #397AED; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(57, 122, 237, 0.8); }
HTML: <p style="color:#397AED">Text here</p> · <div style="background-color:#397AED">Div content here</div>
Shades of #397AED
Tints of #397AED
Tones of #397AED
Color harmonies
Complementary — #EDAC3B:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 4.05:1 AA large only |
|---|---|
| Against black text | 5.18:1 AA |
Best text color on #397AED: #000000.
Semi-transparent (opacity) text on #397AED
Text set with opacity blends into the background, so its real contrast is lower than the solid ratios above. Choose a text color and an opacity to see the blended color and its true ratio:
Smaller body text shows the effect best.
Blended color: · Contrast against #397AED: ·
How #397AED looks with color blindness
Simulated with standard Machado color-vision-deficiency matrices — useful when this color carries meaning in charts, maps or interfaces:
Closest design-system colors
The nearest matches in the Tailwind CSS, Material Design and Bootstrap palettes — handy when you need a framework class instead of a raw hex:
Palettes with a similar color
These palettes use a close neighbour of #397AED rather than the exact color:
Similar colors
The closest colors that actually appear in our palette collection — click any to open its page:
Browse neighbouring colors
Frequently asked questions
What color is #397AED?
#397AED is Vivid Blue, a blue color (RGB 57, 122, 237). Its closest standard named color is RoyalBlue.
What is the RGB and HSL of #397AED?
#397AED is RGB 57, 122, 237 — HSL 218°, 83%, 58% — CMYK 76%, 49%, 0%, 7%.
What colors go with #397AED?
Its complement is #EDAC3B; analogous partners are #3BD5ED and #533BED. It also appears in 6+ palettes in our collection.
Can I use #397AED for text?
Black text on #397AED has a contrast ratio of 5.18:1 (passes WCAG AA); white text gives 4.05:1.