#03335C
Closest named color: Marine (#042E60). oklch(31.6% 0.087 250.4), rgb(3, 51, 92).
Aa
White text reads best on this color (12.86:1).
About this color
#03335C is a dark, moderately saturated blue. In OKLCH its lightness is 32%, its chroma 0.087 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.018 away. White text reads best on it, at 12.86:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.63:1 |
| White text | 12.86:1 |
Values
| HEX | #03335C |
| RGB | rgb(3, 51, 92) |
| HSL | hsl(208, 94%, 19%) |
| OKLCH | oklch(31.6% 0.087 250.4) |
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 #03335C | 12.86:1 | AAA | Lc -102.0 | Preferred for body text |
| Black text on #03335C | 1.63:1 | Fails | Lc 0.0 | Not readable |
| #03335C text on white | 12.86:1 | AAA | Lc 98.6 | Preferred for body text |
| #03335C text on black | 1.63:1 | 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
#DCECFE
oklch(93.7% 0.03 251.3)
-
Step 200
200
#BDDDFE
oklch(88.5% 0.057 249.3)
-
Step 300
300
#8FC6FF
oklch(81% 0.099 250)
-
Step 400
400
#47A5FF
oklch(70.7% 0.159 250.3)
-
Step 500
500
#008CF1
oklch(63.1% 0.18 250.4)
-
Step 600
600
#0075CC
oklch(55.6% 0.16 250.6)
-
Step 700
700
#0062AC
oklch(49% 0.141 250.5)
-
Step 800
800
#00508E
oklch(42.6% 0.122 250.5)
-
Step 900
900
#004378
oklch(37.8% 0.108 250.3)
-
Step 950
950 (this color)
#03335C
oklch(31.6% 0.087 250.4)
#03335C 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) | #1E365E | 0.026 |
| Deuteranopia (no green cones) | #0E2E5B | 0.016 |
| Tritanopia (no blue cones) | #003D43 | 0.063 |
| Achromatopsia (no color) | #323232 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #03335C
#03335C
oklch(31.6% 0.087 250.4)
- #472B00
#472B00
oklch(31.6% 0.068 71.4)
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 #03335C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.018
- Prussian Blue #1D3557 ΔE 0.024
- Marine Blue #01386A ΔE 0.027
- Midnight Green #073B4C ΔE 0.044
- Dark Blue Grey #1F3B4D ΔE 0.048
- Gunmetal #293241 ΔE 0.058
- Space Cadet #2B2D42 ΔE 0.058
- Oxford Blue #1B263B ΔE 0.066
Use #03335C 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.