#0C336E
Closest named color: Marine Blue (#01386A). oklch(33.3% 0.111 259.2), rgb(12, 51, 110).
Aa
White text reads best on this color (12.24:1).
About this color
#0C336E is a dark, moderately saturated blue. In OKLCH its lightness is 33%, its chroma 0.111 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.017 away. White text reads best on it, at 12.24:1.
| Hue family | Blues |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.111) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.71:1 |
| White text | 12.24:1 |
Values
| HEX | #0C336E |
| RGB | rgb(12, 51, 110) |
| HSL | hsl(216, 80%, 24%) |
| OKLCH | oklch(33.3% 0.111 259.2) |
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 #0C336E | 12.24:1 | AAA | Lc -101.0 | Preferred for body text |
| Black text on #0C336E | 1.71:1 | Fails | Lc 0.0 | Not readable |
| #0C336E text on white | 12.24:1 | AAA | Lc 97.5 | Preferred for body text |
| #0C336E text on black | 1.71:1 | 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 900.
-
Step 50
50
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E0EBFA
oklch(93.6% 0.024 256.1)
-
Step 200
200
#C7DAF8
oklch(88.4% 0.046 259.5)
-
Step 300
300
#A0C2F7
oklch(80.8% 0.084 259.1)
-
Step 400
400
#6CA1F3
oklch(70.7% 0.133 258.8)
-
Step 500
500
#4487EF
oklch(63.2% 0.171 259)
-
Step 600
600
#246DDD
oklch(55.5% 0.186 259.3)
-
Step 700
700
#165BC0
oklch(49.2% 0.172 259.1)
-
Step 800
800
#154B9B
oklch(42.7% 0.142 258.9)
-
Step 900
900 (this color)
#0C336E
oklch(33.3% 0.111 259.2)
-
Step 950
950
#0F2648
oklch(27.1% 0.07 258.2)
#0C336E 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) | #0B3A70 | 0.021 |
| Deuteranopia (no green cones) | #00316D | 0.010 |
| Tritanopia (no blue cones) | #00414B | 0.084 |
| Achromatopsia (no color) | #353535 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0C336E
#0C336E
oklch(33.3% 0.111 259.2)
- #493100
#493100
oklch(33.3% 0.069 78.9)
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 #0C336E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.017
- Marine #042E60 ΔE 0.029
- Prussian Blue #1D3557 ΔE 0.044
- Twilight Blue #0A437A ΔE 0.050
- Midnight Blue #191970 ΔE 0.063
- Dark Blue Grey #1F3B4D ΔE 0.070
- Midnight Green #073B4C ΔE 0.070
- Dark Grey Blue #29465B ΔE 0.081
Use #0C336E 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.