#22181A
Closest named color: Rich Black (#0D1B2A). oklch(22.2% 0.016 5.1), rgb(34, 24, 26).
Aa
White text reads best on this color (17.30:1).
About this color
#22181A is a very dark close to neutral grey. In OKLCH its lightness is 22%, its chroma 0.016. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.045 away. White text reads best on it, at 17.30:1.
| Hue family | Neutrals |
| Lightness | very dark (22%) |
| Chroma | close to neutral grey (0.016) |
| Temperature | neutral |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.21:1 |
| White text | 17.30:1 |
Values
| HEX | #22181A |
| RGB | rgb(34, 24, 26) |
| HSL | hsl(348, 17%, 11%) |
| OKLCH | oklch(22.2% 0.016 5.1) |
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 #22181A | 17.30:1 | AAA | Lc -106.5 | Preferred for body text |
| Black text on #22181A | 1.21:1 | Fails | Lc 0.0 | Not readable |
| #22181A text on white | 17.30:1 | AAA | Lc 104.2 | Preferred for body text |
| #22181A text on black | 1.21:1 | 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
#F7F5F5
oklch(97.2% 0.002 17.2)
-
Step 100
100
#EDE8E9
oklch(93.5% 0.006 3.3)
-
Step 200
200
#E0D6D8
oklch(88.5% 0.011 3.5)
-
Step 300
300
#CCBCBF
oklch(80.9% 0.019 4.6)
-
Step 400
400
#B3999E
oklch(70.8% 0.032 4.9)
-
Step 500
500
#9F8086
oklch(63.1% 0.039 5.2)
-
Step 600
600
#8A6970
oklch(55.6% 0.043 4.4)
-
Step 700
700
#75575D
oklch(49% 0.041 5.4)
-
Step 800
800
#5F484C
oklch(42.7% 0.032 6.9)
-
Step 900
900
#4E3C40
oklch(37.7% 0.026 3.5)
-
Step 950
950 (this color)
#22181A
oklch(22.2% 0.016 5.1)
#22181A 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) | #191A1A | 0.019 |
| Deuteranopia (no green cones) | #1C1B1A | 0.015 |
| Tritanopia (no blue cones) | #241719 | 0.005 |
| Achromatopsia (no color) | #1B1B1B | 0.016 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #22181A
#22181A
oklch(22.2% 0.016 5.1)
- #121E1C
#121E1C
oklch(22.3% 0.017 183.2)
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 #22181A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.045
- Jet #212529 ΔE 0.046
- Dark #1B2431 ΔE 0.051
- Dark Brown #341C02 ΔE 0.057
- Oxford Blue #1B263B ΔE 0.068
- Rich Navy #001219 ΔE 0.070
- Almost Black #070D0D ΔE 0.075
- Dark Maroon #3C0008 ΔE 0.075
Use #22181A 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.