#04335B
Closest named color: Marine (#042E60). oklch(31.6% 0.086 250.2), rgb(4, 51, 91).
Aa
White text reads best on this color (12.88:1).
About this color
#04335B is a dark, moderately saturated blue. In OKLCH its lightness is 32%, its chroma 0.086 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.019 away. White text reads best on it, at 12.88:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.62:1 |
| White text | 12.88:1 |
Values
| HEX | #04335B |
| RGB | rgb(4, 51, 91) |
| HSL | hsl(208, 92%, 19%) |
| OKLCH | oklch(31.6% 0.086 250.2) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #04335B | 12.88:1 | AAA | Lc -102.0 | Preferred for body text |
| Black text on #04335B | 1.62:1 | Fails | Lc 0.0 | Not readable |
| #04335B text on white | 12.88:1 | AAA | Lc 98.6 | Preferred for body text |
| #04335B text on black | 1.62:1 | Fails | Lc 0.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.
-
Step 50
50
#EFF6FF
oklch(97% 0.014 254.6)
-
Step 100
100
#DCECFD
oklch(93.6% 0.029 249.8)
-
Step 200
200
#BEDDFE
oklch(88.6% 0.056 250.1)
-
Step 300
300
#8FC6FF
oklch(81% 0.099 250)
-
Step 400
400
#46A5FF
oklch(70.7% 0.159 250.1)
-
Step 500
500
#008CF0
oklch(63.1% 0.179 250.1)
-
Step 600
600
#0075CB
oklch(55.5% 0.159 250.4)
-
Step 700
700
#0063AC
oklch(49.2% 0.139 250)
-
Step 800
800
#00518E
oklch(42.8% 0.121 249.9)
-
Step 900
900
#004378
oklch(37.8% 0.108 250.3)
-
Step 950
950 (this color)
#04335B
oklch(31.6% 0.086 250.2)
#04335B with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #1F365D | 0.026 |
| Deuteranopia (no green cones) | #102E5A | 0.016 |
| Tritanopia (no blue cones) | #003D42 | 0.063 |
| Achromatopsia (no color) | #323232 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #04335B
#04335B
oklch(31.6% 0.086 250.2)
- #472A00
#472A00
oklch(31.4% 0.068 69.8)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #04335B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.019
- Prussian Blue #1D3557 ΔE 0.023
- Marine Blue #01386A ΔE 0.029
- Midnight Green #073B4C ΔE 0.042
- Dark Blue Grey #1F3B4D ΔE 0.047
- Gunmetal #293241 ΔE 0.057
- Space Cadet #2B2D42 ΔE 0.057
- Oxford Blue #1B263B ΔE 0.065
Use #04335B in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.