#0C151D
Closest named color: Rich Navy (#001219). oklch(19.1% 0.021 246), rgb(12, 21, 29).
Aa
White text reads best on this color (18.41:1).
About this color
#0C151D is a very dark close to neutral grey. In OKLCH its lightness is 19%, its chroma 0.021. It has too little chroma to lean warm or cool. The nearest named color is Rich Navy (#001219), ΔE 0.026 away. White text reads best on it, at 18.41:1.
| Hue family | Neutrals |
| Lightness | very dark (19%) |
| Chroma | close to neutral grey (0.021) |
| Temperature | neutral |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.14:1 |
| White text | 18.41:1 |
Values
| HEX | #0C151D |
| RGB | rgb(12, 21, 29) |
| HSL | hsl(208, 41%, 8%) |
| OKLCH | oklch(19.1% 0.021 246) |
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 #0C151D | 18.41:1 | AAA | Lc -107.1 | Preferred for body text |
| Black text on #0C151D | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #0C151D text on white | 18.41:1 | AAA | Lc 105.0 | Preferred for body text |
| #0C151D text on black | 1.14:1 | 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
#F4F6F8
oklch(97.2% 0.003 247.9)
-
Step 100
100
#E6EAEE
oklch(93.5% 0.007 247.9)
-
Step 200
200
#D2DAE2
oklch(88.5% 0.014 248)
-
Step 300
300
#B4C3D0
oklch(81% 0.025 244.2)
-
Step 400
400
#8DA4B9
oklch(70.8% 0.04 246)
-
Step 500
500
#708DA7
oklch(63.1% 0.051 245.8)
-
Step 600
600
#587792
oklch(55.6% 0.055 245.3)
-
Step 700
700
#48647D
oklch(49.1% 0.052 246.1)
-
Step 800
800
#3B5265
oklch(42.8% 0.042 243.9)
-
Step 900
900
#334453
oklch(37.8% 0.034 245.5)
-
Step 950
950 (this color)
#0C151D
oklch(19.1% 0.021 246)
#0C151D 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) | #12151D | 0.010 |
| Deuteranopia (no green cones) | #10131D | 0.010 |
| Tritanopia (no blue cones) | #061718 | 0.017 |
| Achromatopsia (no color) | #141414 | 0.021 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0C151D
#0C151D
oklch(19.1% 0.021 246)
- #1B120A
#1B120A
oklch(19.1% 0.021 62.6)
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 #0C151D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.026
- Rich Black #0D1B2A ΔE 0.030
- Almost Black #070D0D ΔE 0.042
- Dark #1B2431 ΔE 0.067
- Jet #212529 ΔE 0.072
- Oxford Blue #1B263B ΔE 0.081
- Dark Navy #000435 ΔE 0.082
- Very Dark Brown #1D0200 ΔE 0.083
Use #0C151D 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.