#0C1919
Closest named color: Rich Black (#0D1B2A). oklch(20.1% 0.018 195.8), rgb(12, 25, 25).
Aa
White text reads best on this color (17.96:1).
About this color
#0C1919 is a very dark close to neutral grey. In OKLCH its lightness is 20%, its chroma 0.018. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.034 away. White text reads best on it, at 17.96:1.
| Hue family | Neutrals |
| Lightness | very dark (20%) |
| Chroma | close to neutral grey (0.018) |
| Temperature | neutral |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.16:1 |
| White text | 17.96:1 |
Values
| HEX | #0C1919 |
| RGB | rgb(12, 25, 25) |
| HSL | hsl(180, 35%, 7%) |
| OKLCH | oklch(20.1% 0.018 195.8) |
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 #0C1919 | 17.96:1 | AAA | Lc -106.9 | Preferred for body text |
| Black text on #0C1919 | 1.16:1 | Fails | Lc 0.0 | Not readable |
| #0C1919 text on white | 17.96:1 | AAA | Lc 104.7 | Preferred for body text |
| #0C1919 text on black | 1.16:1 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E5EBEB
oklch(93.6% 0.006 197)
-
Step 200
200
#D1DCDC
oklch(88.6% 0.012 196.9)
-
Step 300
300
#B1C5C5
oklch(80.8% 0.022 196.7)
-
Step 400
400
#88A8A7
oklch(70.7% 0.035 194)
-
Step 500
500
#6A9292
oklch(63.1% 0.044 196.1)
-
Step 600
600
#517C7C
oklch(55.5% 0.048 195.9)
-
Step 700
700
#416969
oklch(49.1% 0.045 195.8)
-
Step 800
800
#365655
oklch(42.8% 0.038 193.3)
-
Step 900
900
#2F4746
oklch(37.8% 0.03 192.7)
-
Step 950
950 (this color)
#0C1919
oklch(20.1% 0.018 195.8)
#0C1919 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) | #171819 | 0.018 |
| Deuteranopia (no green cones) | #151619 | 0.018 |
| Tritanopia (no blue cones) | #071A19 | 0.007 |
| Achromatopsia (no color) | #171717 | 0.019 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0C1919
#0C1919
oklch(20.1% 0.018 195.8)
- #1E1314
#1E1314
oklch(20.2% 0.018 12.8)
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 #0C1919, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.034
- Rich Navy #001219 ΔE 0.037
- Almost Black #070D0D ΔE 0.050
- Dark #1B2431 ΔE 0.062
- Jet #212529 ΔE 0.062
- Oxford Blue #1B263B ΔE 0.078
- Dark Brown #341C02 ΔE 0.085
- Very Dark Brown #1D0200 ΔE 0.087
Use #0C1919 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.