#0C1C19
Closest named color: Rich Black (#0D1B2A). oklch(21.1% 0.023 180.6), rgb(12, 28, 25).
Aa
White text reads best on this color (17.56:1).
About this color
#0C1C19 is a very dark close to neutral grey. In OKLCH its lightness is 21%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.036 away. White text reads best on it, at 17.56:1.
| Hue family | Neutrals |
| Lightness | very dark (21%) |
| Chroma | close to neutral grey (0.023) |
| Temperature | neutral |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.19:1 |
| White text | 17.56:1 |
Values
| HEX | #0C1C19 |
| RGB | rgb(12, 28, 25) |
| HSL | hsl(169, 40%, 8%) |
| OKLCH | oklch(21.1% 0.023 180.6) |
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 #0C1C19 | 17.56:1 | AAA | Lc -106.6 | Preferred for body text |
| Black text on #0C1C19 | 1.19:1 | Fails | Lc 0.0 | Not readable |
| #0C1C19 text on white | 17.56:1 | AAA | Lc 104.3 | Preferred for body text |
| #0C1C19 text on black | 1.19:1 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E5ECEA
oklch(93.7% 0.008 177.3)
-
Step 200
200
#CFDCD9
oklch(88.4% 0.015 180.7)
-
Step 300
300
#AFC7C1
oklch(81% 0.027 178.9)
-
Step 400
400
#84AAA2
oklch(70.8% 0.043 180.7)
-
Step 500
500
#64958B
oklch(63.2% 0.055 180.2)
-
Step 600
600
#497F75
oklch(55.6% 0.06 180.8)
-
Step 700
700
#3A6B62
oklch(49% 0.056 180.7)
-
Step 800
800
#315750
oklch(42.6% 0.045 180.9)
-
Step 900
900
#2B4842
oklch(37.7% 0.037 179.7)
-
Step 950
950 (this color)
#0C1C19
oklch(21.1% 0.023 180.6)
#0C1C19 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) | #1B1A19 | 0.025 |
| Deuteranopia (no green cones) | #181819 | 0.023 |
| Tritanopia (no blue cones) | #071D1B | 0.006 |
| Achromatopsia (no color) | #191919 | 0.023 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0C1C19
#0C1C19
oklch(21.1% 0.023 180.6)
- #211418
#211418
oklch(21% 0.022 359.1)
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 #0C1C19, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.036
- Rich Navy #001219 ΔE 0.047
- Jet #212529 ΔE 0.055
- Dark #1B2431 ΔE 0.057
- Almost Black #070D0D ΔE 0.060
- Oxford Blue #1B263B ΔE 0.074
- Dark Brown #341C02 ΔE 0.080
- Dark Forest Green #002D04 ΔE 0.081
Use #0C1C19 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.