#12201F
Closest named color: Rich Black (#0D1B2A). oklch(23% 0.019 190.2), rgb(18, 32, 31).
Aa
White text reads best on this color (16.77:1).
About this color
#12201F is a very dark close to neutral grey. In OKLCH its lightness is 23%, its chroma 0.019. 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 16.77:1.
| Hue family | Neutrals |
| Lightness | very dark (23%) |
| Chroma | close to neutral grey (0.019) |
| Temperature | neutral |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.25:1 |
| White text | 16.77:1 |
Values
| HEX | #12201F |
| RGB | rgb(18, 32, 31) |
| HSL | hsl(176, 28%, 10%) |
| OKLCH | oklch(23% 0.019 190.2) |
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 #12201F | 16.77:1 | AAA | Lc -106.1 | Preferred for body text |
| Black text on #12201F | 1.25:1 | Fails | Lc 0.0 | Not readable |
| #12201F text on white | 16.77:1 | AAA | Lc 103.7 | Preferred for body text |
| #12201F text on black | 1.25:1 | 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
#D0DCDB
oklch(88.5% 0.013 190.9)
-
Step 300
300
#B1C6C4
oklch(81% 0.023 189.8)
-
Step 400
400
#87A8A6
oklch(70.6% 0.036 191.8)
-
Step 500
500
#689390
oklch(63.1% 0.047 190.6)
-
Step 600
600
#4F7D7A
oklch(55.6% 0.051 190.6)
-
Step 700
700
#3F6A67
oklch(49.2% 0.048 190)
-
Step 800
800
#355654
oklch(42.7% 0.039 190.9)
-
Step 900
900
#2E4745
oklch(37.7% 0.031 189.6)
-
Step 950
950 (this color)
#12201F
oklch(23% 0.019 190.2)
#12201F 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) | #1E1F1F | 0.020 |
| Deuteranopia (no green cones) | #1C1D1F | 0.019 |
| Tritanopia (no blue cones) | #0D2120 | 0.007 |
| Achromatopsia (no color) | #1D1D1D | 0.019 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #12201F
#12201F
oklch(23% 0.019 190.2)
- #25191B
#25191B
oklch(22.9% 0.02 7.6)
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 #12201F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.034
- Jet #212529 ΔE 0.036
- Dark #1B2431 ΔE 0.039
- Oxford Blue #1B263B ΔE 0.056
- Rich Navy #001219 ΔE 0.064
- Dark Brown #341C02 ΔE 0.071
- Dark Forest Green #002D04 ΔE 0.076
- Very Dark Green #062E03 ΔE 0.078
Use #12201F 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.