#20101B
Closest named color: Rich Black (#0D1B2A). oklch(20.1% 0.033 339.3), rgb(32, 16, 27).
Aa
White text reads best on this color (18.23:1).
About this color
#20101B is a very dark, muted purple. In OKLCH its lightness is 20%, its chroma 0.033 and its hue 339°. Its hue sits on the warm side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.051 away. White text reads best on it, at 18.23:1.
| Hue family | Purples |
| Lightness | very dark (20%) |
| Chroma | muted (0.033) |
| Temperature | warm |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.15:1 |
| White text | 18.23:1 |
Values
| HEX | #20101B |
| RGB | rgb(32, 16, 27) |
| HSL | hsl(319, 33%, 9%) |
| OKLCH | oklch(20.1% 0.033 339.3) |
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 #20101B | 18.23:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #20101B | 1.15:1 | Fails | Lc 0.0 | Not readable |
| #20101B text on white | 18.23:1 | AAA | Lc 104.9 | Preferred for body text |
| #20101B text on black | 1.15:1 | 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
#EFE7EC
oklch(93.6% 0.011 339.3)
-
Step 200
200
#E4D4DE
oklch(88.6% 0.022 339.6)
-
Step 300
300
#D3B7C9
oklch(80.9% 0.04 339.3)
-
Step 400
400
#BC92AD
oklch(70.8% 0.062 340.1)
-
Step 500
500
#AA7699
oklch(63% 0.08 339.4)
-
Step 600
600
#955F84
oklch(55.7% 0.086 339.3)
-
Step 700
700
#7F4E70
oklch(49.1% 0.081 339)
-
Step 800
800
#67405B
oklch(42.7% 0.067 339)
-
Step 900
900
#54374B
oklch(37.8% 0.051 338.7)
-
Step 950
950 (this color)
#20101B
oklch(20.1% 0.033 339.3)
#20101B 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) | #11141B | 0.033 |
| Deuteranopia (no green cones) | #15161B | 0.030 |
| Tritanopia (no blue cones) | #221014 | 0.015 |
| Achromatopsia (no color) | #151515 | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #20101B
#20101B
oklch(20.1% 0.033 339.3)
- #071B11
#071B11
oklch(20.2% 0.033 159.8)
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 #20101B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.051
- Rich Navy #001219 ΔE 0.063
- Almost Black #070D0D ΔE 0.064
- Very Dark Brown #1D0200 ΔE 0.066
- Very Dark Purple #2A0134 ΔE 0.069
- Dark #1B2431 ΔE 0.070
- Jet #212529 ΔE 0.071
- Midnight Purple #280137 ΔE 0.073
Use #20101B 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.