#21161D
Closest named color: Rich Black (#0D1B2A). oklch(21.7% 0.022 340.6), rgb(33, 22, 29).
Aa
White text reads best on this color (17.54:1).
About this color
#21161D is a very dark close to neutral grey. In OKLCH its lightness is 22%, its chroma 0.022. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.041 away. White text reads best on it, at 17.54:1.
| Hue family | Neutrals |
| Lightness | very dark (22%) |
| Chroma | close to neutral grey (0.022) |
| Temperature | neutral |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.19:1 |
| White text | 17.54:1 |
Values
| HEX | #21161D |
| RGB | rgb(33, 22, 29) |
| HSL | hsl(322, 20%, 11%) |
| OKLCH | oklch(21.7% 0.022 340.6) |
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 #21161D | 17.54:1 | AAA | Lc -106.6 | Preferred for body text |
| Black text on #21161D | 1.19:1 | Fails | Lc 0.0 | Not readable |
| #21161D text on white | 17.54:1 | AAA | Lc 104.4 | Preferred for body text |
| #21161D 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
#F7F4F6
oklch(97% 0.004 337.4)
-
Step 100
100
#EDE8EB
oklch(93.6% 0.007 340.4)
-
Step 200
200
#E0D6DC
oklch(88.6% 0.014 340.6)
-
Step 300
300
#CDBAC6
oklch(80.8% 0.027 339.5)
-
Step 400
400
#B397A8
oklch(70.7% 0.041 341.1)
-
Step 500
500
#A07D93
oklch(63% 0.053 340.7)
-
Step 600
600
#8B667E
oklch(55.6% 0.058 340.1)
-
Step 700
700
#76556A
oklch(49.1% 0.053 340.8)
-
Step 800
800
#604656
oklch(42.8% 0.043 341.6)
-
Step 900
900
#4E3B47
oklch(37.7% 0.033 340.6)
-
Step 950
950 (this color)
#21161D
oklch(21.7% 0.022 340.6)
#21161D 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 | 0.023 |
| Deuteranopia (no green cones) | #191A1D | 0.020 |
| Tritanopia (no blue cones) | #221618 | 0.010 |
| Achromatopsia (no color) | #191919 | 0.022 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #21161D
#21161D
oklch(21.7% 0.022 340.6)
- #111D17
#111D17
oklch(21.7% 0.021 162.3)
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 #21161D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.041
- Jet #212529 ΔE 0.051
- Dark #1B2431 ΔE 0.053
- Rich Navy #001219 ΔE 0.066
- Dark Brown #341C02 ΔE 0.067
- Oxford Blue #1B263B ΔE 0.068
- Almost Black #070D0D ΔE 0.072
- Dark Maroon #3C0008 ΔE 0.076
Use #21161D 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.