#0C1A38
Closest named color: Rich Black (#0D1B2A). oklch(22.5% 0.061 263.4), rgb(12, 26, 56).
Aa
White text reads best on this color (17.20:1).
About this color
#0C1A38 is a very dark, muted blue. In OKLCH its lightness is 22%, its chroma 0.061 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.029 away. White text reads best on it, at 17.20:1.
| Hue family | Blues |
| Lightness | very dark (22%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.22:1 |
| White text | 17.20:1 |
Values
| HEX | #0C1A38 |
| RGB | rgb(12, 26, 56) |
| HSL | hsl(221, 65%, 13%) |
| OKLCH | oklch(22.5% 0.061 263.4) |
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 #0C1A38 | 17.20:1 | AAA | Lc -106.3 | Preferred for body text |
| Black text on #0C1A38 | 1.22:1 | Fails | Lc 0.0 | Not readable |
| #0C1A38 text on white | 17.20:1 | AAA | Lc 103.9 | Preferred for body text |
| #0C1A38 text on black | 1.22:1 | 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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E3EAF8
oklch(93.6% 0.02 264.5)
-
Step 200
200
#CBDAF5
oklch(88.6% 0.041 262.3)
-
Step 300
300
#A8C1F1
oklch(80.9% 0.074 263.3)
-
Step 400
400
#7A9FE9
oklch(70.6% 0.117 263.4)
-
Step 500
500
#5986E3
oklch(63.2% 0.149 263.3)
-
Step 600
600
#3F6DD1
oklch(55.6% 0.163 263.5)
-
Step 700
700
#325BB5
oklch(49.2% 0.15 263.5)
-
Step 800
800
#294B92
oklch(42.8% 0.124 263)
-
Step 900
900
#263F75
oklch(37.8% 0.097 263.7)
-
Step 950
950 (this color)
#0C1A38
oklch(22.5% 0.061 263.4)
#0C1A38 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) | #0B1D39 | 0.010 |
| Deuteranopia (no green cones) | #041937 | 0.011 |
| Tritanopia (no blue cones) | #002126 | 0.050 |
| Achromatopsia (no color) | #1B1B1B | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0C1A38
#0C1A38
oklch(22.5% 0.061 263.4)
- #261900
#261900
oklch(22.4% 0.046 82.5)
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 #0C1A38, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.029
- Navy Blue #001146 ΔE 0.043
- Dark #1B2431 ΔE 0.048
- Oxford Blue #1B263B ΔE 0.048
- Jet #212529 ΔE 0.064
- Night Blue #040348 ΔE 0.068
- Rich Navy #001219 ΔE 0.070
- Dark Indigo #1F0954 ΔE 0.071
Use #0C1A38 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.