#211623
Closest named color: Rich Black (#0D1B2A). oklch(22% 0.03 321.2), rgb(33, 22, 35).
Aa
White text reads best on this color (17.44:1).
About this color
#211623 is a very dark close to neutral grey. In OKLCH its lightness is 22%, its chroma 0.030. It has too little chroma to lean warm or cool. The nearest named color is Rich Black (#0D1B2A), ΔE 0.038 away. White text reads best on it, at 17.44:1.
| Hue family | Neutrals |
| Lightness | very dark (22%) |
| Chroma | close to neutral grey (0.030) |
| Temperature | neutral |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.20:1 |
| White text | 17.44:1 |
Values
| HEX | #211623 |
| RGB | rgb(33, 22, 35) |
| HSL | hsl(291, 23%, 11%) |
| OKLCH | oklch(22% 0.03 321.2) |
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 #211623 | 17.44:1 | AAA | Lc -106.5 | Preferred for body text |
| Black text on #211623 | 1.20:1 | Fails | Lc 0.0 | Not readable |
| #211623 text on white | 17.44:1 | AAA | Lc 104.3 | Preferred for body text |
| #211623 text on black | 1.20:1 | 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
#F7F4F7
oklch(97% 0.005 325.6)
-
Step 100
100
#EDE8EE
oklch(93.7% 0.01 320.5)
-
Step 200
200
#DFD5E1
oklch(88.5% 0.019 320.6)
-
Step 300
300
#CBBACF
oklch(81% 0.035 319.8)
-
Step 400
400
#B195B6
oklch(70.6% 0.057 321.2)
-
Step 500
500
#9E7BA4
oklch(63.1% 0.072 321.4)
-
Step 600
600
#88648F
oklch(55.5% 0.078 320.9)
-
Step 700
700
#74537A
oklch(49.2% 0.073 321.2)
-
Step 800
800
#5E4463
oklch(42.7% 0.06 320.9)
-
Step 900
900
#4D3951
oklch(37.6% 0.048 320.7)
-
Step 950
950 (this color)
#211623
oklch(22% 0.03 321.2)
#211623 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) | #151924 | 0.024 |
| Deuteranopia (no green cones) | #171A23 | 0.023 |
| Tritanopia (no blue cones) | #21171B | 0.017 |
| Achromatopsia (no color) | #1A1A1A | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #211623
#211623
oklch(22% 0.03 321.2)
- #131E11
#131E11
oklch(22% 0.029 140.7)
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 #211623, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.038
- Dark #1B2431 ΔE 0.048
- Jet #212529 ΔE 0.051
- Oxford Blue #1B263B ΔE 0.061
- Rich Navy #001219 ΔE 0.069
- Very Dark Purple #2A0134 ΔE 0.070
- Eggplant #380835 ΔE 0.071
- Midnight Purple #280137 ΔE 0.072
Use #211623 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.