Palettes / Colors / #005FB3
#005FB3 — Vivid Blue
#005FB3 is a blue color we call Vivid Blue, closest to the named color DarkCyan (#008B8B). It belongs to the blue family.
Color name
Closest CSS keyword: darkcyan (#008B8B) — not an exact match. CSS darkcyan gives you #008B8B, a different color; use #005FB3 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.
#005FB3 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 #B35300; it also sits naturally between #00B3AD and #0006B3. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #005FB3 |
|---|---|
| RGB | 0, 95, 179 |
| HSL | 208°, 100%, 35% |
| HSV | 208°, 100%, 70% |
| CMYK | 100%, 47%, 0%, 30% |
| XYZ | 12.23, 11.44, 44.21 |
| Yxy | 11.44, 0.1802, 0.1685 |
| CIE-Lab | 40.31, 9.70, -51.01 |
| Hunter Lab | 33.82, 7.27, -57.81 |
RGB & CMYK percentages
Red 0% · Green 37% · Blue 70%
Cyan 100% · Magenta 47% · Yellow 0% · Key 30%
CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.
Previews
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CSS code for #005FB3
.text { color: #005FB3; }
.background { background-color: #005FB3; }
.border { border: 3px solid #005FB3; }
.text-rgb { color: rgb(0, 95, 179); }
.text-hsl { color: hsl(208, 100%, 35%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #005FB3; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(0, 95, 179, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #005FB3; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(0, 95, 179, 0.8); }
HTML: <p style="color:#005FB3">Text here</p> · <div style="background-color:#005FB3">Div content here</div>
Shades of #005FB3
Tints of #005FB3
Tones of #005FB3
Color harmonies
Complementary — #B35300:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 6.39:1 AA |
|---|---|
| Against black text | 3.29:1 AA large only |
Best text color on #005FB3: #FFFFFF.
Semi-transparent (opacity) text on #005FB3
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 #005FB3: ·
How #005FB3 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 #005FB3 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 #005FB3?
#005FB3 is Vivid Blue, a blue color (RGB 0, 95, 179). Its closest standard named color is DarkCyan.
What is the RGB and HSL of #005FB3?
#005FB3 is RGB 0, 95, 179 — HSL 208°, 100%, 35% — CMYK 100%, 47%, 0%, 30%.
What colors go with #005FB3?
Its complement is #B35300; analogous partners are #00B3AD and #0006B3. It also appears in 6+ palettes in our collection.
Can I use #005FB3 for text?
White text on #005FB3 has a contrast ratio of 6.39:1 (passes WCAG AA); black text gives 3.29:1.