#21111F
Closest named color: Rich Black (#0D1B2A). oklch(20.6% 0.036 331.4), rgb(33, 17, 31).
Aa
White text reads best on this color (18.03:1).
About this color
#21111F is a very dark, muted purple. In OKLCH its lightness is 21%, its chroma 0.036 and its hue 331°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.048 away. White text reads best on it, at 18.03:1.
| Hue family | Purples |
| Lightness | very dark (21%) |
| Chroma | muted (0.036) |
| Temperature | in between |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.16:1 |
| White text | 18.03:1 |
Values
| HEX | #21111F |
| RGB | rgb(33, 17, 31) |
| HSL | hsl(308, 32%, 10%) |
| OKLCH | oklch(20.6% 0.036 331.4) |
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 #21111F | 18.03:1 | AAA | Lc -106.9 | Preferred for body text |
| Black text on #21111F | 1.16:1 | Fails | Lc 0.0 | Not readable |
| #21111F text on white | 18.03:1 | AAA | Lc 104.7 | Preferred for body text |
| #21111F text on black | 1.16:1 | 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
#EFE7EE
oklch(93.6% 0.013 329.6)
-
Step 200
200
#E3D4E0
oklch(88.6% 0.023 332.4)
-
Step 300
300
#D2B7CD
oklch(80.9% 0.043 332.2)
-
Step 400
400
#BA91B4
oklch(70.6% 0.069 331.3)
-
Step 500
500
#A976A2
oklch(63.2% 0.088 331.4)
-
Step 600
600
#945E8D
oklch(55.7% 0.096 331.5)
-
Step 700
700
#7E4D78
oklch(49.2% 0.09 331.3)
-
Step 800
800
#663F61
oklch(42.6% 0.074 331.5)
-
Step 900
900
#53364F
oklch(37.6% 0.057 331.6)
-
Step 950
950 (this color)
#21111F
oklch(20.6% 0.036 331.4)
#21111F 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) | #111520 | 0.034 |
| Deuteranopia (no green cones) | #15171E | 0.031 |
| Tritanopia (no blue cones) | #221216 | 0.020 |
| Achromatopsia (no color) | #161616 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #21111F
#21111F
oklch(20.6% 0.036 331.4)
- #091C0F
#091C0F
oklch(20.6% 0.036 152.3)
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 #21111F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.048
- Very Dark Purple #2A0134 ΔE 0.064
- Dark #1B2431 ΔE 0.065
- Jet #212529 ΔE 0.067
- Rich Navy #001219 ΔE 0.067
- Midnight Purple #280137 ΔE 0.067
- Almost Black #070D0D ΔE 0.070
- Eggplant #380835 ΔE 0.071
Use #21111F 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.