#22131B
Closest named color: Rich Black (#0D1B2A). oklch(21% 0.028 346.6), rgb(34, 19, 27).
Aa
White text reads best on this color (17.84:1).
About this color
#22131B is a very dark close to neutral grey. In OKLCH its lightness is 21%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.048 away. White text reads best on it, at 17.84:1.
| Hue family | Neutrals |
| Lightness | very dark (21%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.17:1 |
| White text | 17.84:1 |
Values
| HEX | #22131B |
| RGB | rgb(34, 19, 27) |
| HSL | hsl(328, 28%, 10%) |
| OKLCH | oklch(21% 0.028 346.6) |
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 #22131B | 17.84:1 | AAA | Lc -106.8 | Preferred for body text |
| Black text on #22131B | 1.17:1 | Fails | Lc 0.0 | Not readable |
| #22131B text on white | 17.84:1 | AAA | Lc 104.6 | Preferred for body text |
| #22131B 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
#F8F4F6
oklch(97.1% 0.005 345.3)
-
Step 100
100
#EFE7EB
oklch(93.5% 0.01 345.4)
-
Step 200
200
#E3D4DB
oklch(88.4% 0.019 347.5)
-
Step 300
300
#D2B8C5
oklch(80.9% 0.034 346.2)
-
Step 400
400
#BA93A7
oklch(70.6% 0.054 346.4)
-
Step 500
500
#A97992
oklch(63.2% 0.069 346.7)
-
Step 600
600
#94617C
oklch(55.6% 0.076 346.8)
-
Step 700
700
#7E5069
oklch(49.1% 0.071 346.2)
-
Step 800
800
#664255
oklch(42.7% 0.057 346.9)
-
Step 900
900
#533846
oklch(37.7% 0.044 347)
-
Step 950
950 (this color)
#22131B
oklch(21% 0.028 346.6)
#22131B 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) | #14161B | 0.030 |
| Deuteranopia (no green cones) | #18181B | 0.026 |
| Tritanopia (no blue cones) | #241316 | 0.011 |
| Achromatopsia (no color) | #181818 | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #22131B
#22131B
oklch(21% 0.028 346.6)
- #0A1D16
#0A1D16
oklch(21.2% 0.029 167.4)
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 #22131B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.048
- Jet #212529 ΔE 0.060
- Dark #1B2431 ΔE 0.062
- Rich Navy #001219 ΔE 0.067
- Almost Black #070D0D ΔE 0.069
- Dark Brown #341C02 ΔE 0.070
- Dark Maroon #3C0008 ΔE 0.070
- Very Dark Brown #1D0200 ΔE 0.072
Use #22131B 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.