#20101D
Closest named color: Rich Black (#0D1B2A). oklch(20.2% 0.035 333.9), rgb(32, 16, 29).
Aa
White text reads best on this color (18.20:1).
About this color
#20101D is a very dark, muted purple. In OKLCH its lightness is 20%, its chroma 0.035 and its hue 334°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.049 away. White text reads best on it, at 18.20:1.
| Hue family | Purples |
| Lightness | very dark (20%) |
| Chroma | muted (0.035) |
| Temperature | in between |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.15:1 |
| White text | 18.20:1 |
Values
| HEX | #20101D |
| RGB | rgb(32, 16, 29) |
| HSL | hsl(311, 33%, 9%) |
| OKLCH | oklch(20.2% 0.035 333.9) |
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 #20101D | 18.20:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #20101D | 1.15:1 | Fails | Lc 0.0 | Not readable |
| #20101D text on white | 18.20:1 | AAA | Lc 104.8 | Preferred for body text |
| #20101D 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
#F8F4F7
oklch(97.1% 0.006 334)
-
Step 100
100
#EFE7ED
oklch(93.6% 0.012 334.1)
-
Step 200
200
#E3D4E0
oklch(88.6% 0.023 332.4)
-
Step 300
300
#D2B7CC
oklch(80.9% 0.042 333.6)
-
Step 400
400
#BB91B2
oklch(70.6% 0.067 333.9)
-
Step 500
500
#A9769F
oklch(63.1% 0.085 333.7)
-
Step 600
600
#945E8A
oklch(55.6% 0.093 333.7)
-
Step 700
700
#7E4D75
oklch(49% 0.087 333.7)
-
Step 800
800
#67405F
oklch(42.8% 0.071 334.5)
-
Step 900
900
#54364E
oklch(37.7% 0.056 334.1)
-
Step 950
950 (this color)
#20101D
oklch(20.2% 0.035 333.9)
#20101D 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) | #10141D | 0.035 |
| Deuteranopia (no green cones) | #14161D | 0.031 |
| Tritanopia (no blue cones) | #211115 | 0.018 |
| Achromatopsia (no color) | #151515 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #20101D
#20101D
oklch(20.2% 0.035 333.9)
- #081B0F
#081B0F
oklch(20.2% 0.035 154.2)
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 #20101D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.049
- Rich Navy #001219 ΔE 0.064
- Almost Black #070D0D ΔE 0.065
- Very Dark Purple #2A0134 ΔE 0.066
- Dark #1B2431 ΔE 0.069
- Midnight Purple #280137 ΔE 0.069
- Very Dark Brown #1D0200 ΔE 0.069
- Jet #212529 ΔE 0.070
Use #20101D 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.