#21081B
Closest named color: Very Dark Purple (#2A0134). oklch(18.6% 0.053 337.8), rgb(33, 8, 27).
Aa
White text reads best on this color (18.83:1).
About this color
#21081B is a very dark, muted purple. In OKLCH its lightness is 19%, its chroma 0.053 and its hue 338°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Purple (#2A0134), ΔE 0.057 away. White text reads best on it, at 18.83:1.
| Hue family | Purples |
| Lightness | very dark (19%) |
| Chroma | muted (0.053) |
| Temperature | warm |
| Nearest name | Very Dark Purple (#2A0134) |
| Black text | 1.11:1 |
| White text | 18.83:1 |
Values
| HEX | #21081B |
| RGB | rgb(33, 8, 27) |
| HSL | hsl(314, 61%, 8%) |
| OKLCH | oklch(18.6% 0.053 337.8) |
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 #21081B | 18.83:1 | AAA | Lc -107.2 | Preferred for body text |
| Black text on #21081B | 1.11:1 | Fails | Lc 0.0 | Not readable |
| #21081B text on white | 18.83:1 | AAA | Lc 105.1 | Preferred for body text |
| #21081B text on black | 1.11:1 | 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
#F9F3F7
oklch(97% 0.008 337.4)
-
Step 100
100
#F2E5EE
oklch(93.5% 0.018 336.6)
-
Step 200
200
#E9D1E1
oklch(88.5% 0.034 338)
-
Step 300
300
#DCB2CF
oklch(81% 0.062 337.7)
-
Step 400
400
#C988B6
oklch(70.6% 0.099 338)
-
Step 500
500
#BA69A4
oklch(63.1% 0.127 338)
-
Step 600
600
#A54F8F
oklch(55.6% 0.138 338)
-
Step 700
700
#8D3F7A
oklch(49% 0.129 337.7)
-
Step 800
800
#733563
oklch(42.8% 0.106 338.1)
-
Step 900
900
#5D2F51
oklch(37.8% 0.082 337.8)
-
Step 950
950 (this color)
#21081B
oklch(18.6% 0.053 337.8)
#21081B 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) | #090F1C | 0.055 |
| Deuteranopia (no green cones) | #10131A | 0.050 |
| Tritanopia (no blue cones) | #230910 | 0.025 |
| Achromatopsia (no color) | #111111 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #21081B
#21081B
oklch(18.6% 0.053 337.8)
- #00190B
#00190B
oklch(18.8% 0.045 157.2)
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 #21081B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Purple #2A0134 ΔE 0.057
- Midnight Purple #280137 ΔE 0.061
- Very Dark Brown #1D0200 ΔE 0.061
- Rich Black #0D1B2A ΔE 0.069
- Almost Black #070D0D ΔE 0.069
- Rich Navy #001219 ΔE 0.074
- Eggplant #380835 ΔE 0.074
- Dark Maroon #3C0008 ΔE 0.074
Use #21081B 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.