#0C191D
Closest named color: Rich Black (#0D1B2A). oklch(20.3% 0.02 219.4), rgb(12, 25, 29).
Aa
White text reads best on this color (17.91:1).
About this color
#0C191D is a very dark close to neutral grey. In OKLCH its lightness is 20%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.026 away. White text reads best on it, at 17.91:1.
| Hue family | Neutrals |
| Lightness | very dark (20%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.17:1 |
| White text | 17.91:1 |
Values
| HEX | #0C191D |
| RGB | rgb(12, 25, 29) |
| HSL | hsl(194, 41%, 8%) |
| OKLCH | oklch(20.3% 0.02 219.4) |
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 #0C191D | 17.91:1 | AAA | Lc -106.8 | Preferred for body text |
| Black text on #0C191D | 1.17:1 | Fails | Lc 0.0 | Not readable |
| #0C191D text on white | 17.91:1 | AAA | Lc 104.6 | Preferred for body text |
| #0C191D text on black | 1.17:1 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E5EBED
oklch(93.6% 0.007 219.6)
-
Step 200
200
#D0DBDF
oklch(88.4% 0.013 221.4)
-
Step 300
300
#B1C5CB
oklch(81% 0.023 217.7)
-
Step 400
400
#87A7B1
oklch(70.8% 0.038 218.8)
-
Step 500
500
#68919E
oklch(63.1% 0.049 219.5)
-
Step 600
600
#4F7B88
oklch(55.6% 0.052 218.4)
-
Step 700
700
#406874
oklch(49.2% 0.049 218.9)
-
Step 800
800
#35545E
oklch(42.6% 0.04 220.3)
-
Step 900
900
#2E464D
oklch(37.7% 0.032 218)
-
Step 950
950 (this color)
#0C191D
oklch(20.3% 0.02 219.4)
#0C191D 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) | #16181D | 0.016 |
| Deuteranopia (no green cones) | #14161D | 0.016 |
| Tritanopia (no blue cones) | #061A1A | 0.012 |
| Achromatopsia (no color) | #171717 | 0.020 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0C191D
#0C191D
oklch(20.3% 0.02 219.4)
- #1F1410
#1F1410
oklch(20.4% 0.02 40.9)
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 #0C191D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.026
- Rich Navy #001219 ΔE 0.036
- Almost Black #070D0D ΔE 0.052
- Dark #1B2431 ΔE 0.057
- Jet #212529 ΔE 0.060
- Oxford Blue #1B263B ΔE 0.073
- Dark Brown #341C02 ΔE 0.088
- Navy Blue #001146 ΔE 0.089
Use #0C191D 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.