#0C112C
Closest named color: Rich Black (#0D1B2A). oklch(19.1% 0.055 272.3), rgb(12, 17, 44).
Aa
White text reads best on this color (18.54:1).
About this color
#0C112C is a very dark, muted blue. In OKLCH its lightness is 19%, its chroma 0.055 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.037 away. White text reads best on it, at 18.54:1.
| Hue family | Blues |
| Lightness | very dark (19%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.13:1 |
| White text | 18.54:1 |
Values
| HEX | #0C112C |
| RGB | rgb(12, 17, 44) |
| HSL | hsl(231, 57%, 11%) |
| OKLCH | oklch(19.1% 0.055 272.3) |
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 #0C112C | 18.54:1 | AAA | Lc -107.1 | Preferred for body text |
| Black text on #0C112C | 1.13:1 | Fails | Lc 0.0 | Not readable |
| #0C112C text on white | 18.54:1 | AAA | Lc 105.0 | Preferred for body text |
| #0C112C text on black | 1.13:1 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5E9F7
oklch(93.5% 0.019 273.2)
-
Step 200
200
#D1D8F2
oklch(88.5% 0.037 273.7)
-
Step 300
300
#B2BFEB
oklch(81% 0.064 272)
-
Step 400
400
#8A9CE1
oklch(70.6% 0.103 272.3)
-
Step 500
500
#6E82D9
oklch(63% 0.133 272.3)
-
Step 600
600
#586AC6
oklch(55.6% 0.143 272.6)
-
Step 700
700
#4858AB
oklch(49.1% 0.133 272.4)
-
Step 800
800
#3B488B
oklch(42.6% 0.111 272.6)
-
Step 900
900
#323D6F
oklch(37.7% 0.087 272.3)
-
Step 950
950 (this color)
#0C112C
oklch(19.1% 0.055 272.3)
#0C112C 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) | #04152D | 0.016 |
| Deuteranopia (no green cones) | #01122B | 0.018 |
| Tritanopia (no blue cones) | #00171C | 0.047 |
| Achromatopsia (no color) | #131313 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0C112C
#0C112C
oklch(19.1% 0.055 272.3)
- #1A1300
#1A1300
oklch(19% 0.039 92.2)
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 #0C112C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.037
- Rich Navy #001219 ΔE 0.047
- Dark Navy #000435 ΔE 0.052
- Navy Blue #001146 ΔE 0.053
- Midnight #03012D ΔE 0.059
- Dark Navy Blue #00022E ΔE 0.060
- Very Dark Blue #000133 ΔE 0.062
- Night Blue #040348 ΔE 0.065
Use #0C112C 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.