Palettes / Colors / #033B59
#033B59 — Deep Vivid Blue
#033B59 is a blue color we call Deep Vivid Blue, closest to the named color MidnightBlue (#191970). It belongs to the blue family.
Color name
Closest CSS keyword: midnightblue (#191970) — not an exact match. CSS midnightblue gives you #191970, a different color; use #033B59 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.
#033B59 is a cool blue color associated with trust, calm and professionalism. It is deep enough for text, outlines and dark interface surfaces, and makes light colors glow next to it.
Its strongest partner is its complement #592103; it also sits naturally between #03594C and #031059. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #033B59 |
|---|---|
| RGB | 3, 59, 89 |
| HSL | 201°, 93%, 18% |
| HSV | 201°, 97%, 35% |
| CMYK | 97%, 34%, 0%, 65% |
| XYZ | 3.40, 3.87, 10.02 |
| Yxy | 3.87, 0.1969, 0.2237 |
| CIE-Lab | 23.23, -4.28, -22.65 |
| Hunter Lab | 19.67, -2.51, -18.18 |
RGB & CMYK percentages
Red 1% · Green 23% · Blue 35%
Cyan 97% · Magenta 34% · Yellow 0% · Key 65%
CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.
Previews
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CSS code for #033B59
.text { color: #033B59; }
.background { background-color: #033B59; }
.border { border: 3px solid #033B59; }
.text-rgb { color: rgb(3, 59, 89); }
.text-hsl { color: hsl(201, 93%, 18%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #033B59; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(3, 59, 89, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #033B59; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(3, 59, 89, 0.8); }
HTML: <p style="color:#033B59">Text here</p> · <div style="background-color:#033B59">Div content here</div>
Shades of #033B59
Tints of #033B59
Tones of #033B59
Color harmonies
Complementary — #592103:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 11.84:1 AAA |
|---|---|
| Against black text | 1.77:1 Fails |
Best text color on #033B59: #FFFFFF.
Semi-transparent (opacity) text on #033B59
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 #033B59: ·
How #033B59 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 #033B59 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 #033B59?
#033B59 is Deep Vivid Blue, a blue color (RGB 3, 59, 89). Its closest standard named color is MidnightBlue.
What is the RGB and HSL of #033B59?
#033B59 is RGB 3, 59, 89 — HSL 201°, 93%, 18% — CMYK 97%, 34%, 0%, 65%.
What colors go with #033B59?
Its complement is #592103; analogous partners are #03594C and #031059. It also appears in 6+ palettes in our collection.
Can I use #033B59 for text?
White text on #033B59 has a contrast ratio of 11.84:1 (passes WCAG AA); black text gives 1.77:1.