#21081C
Closest named color: Very Dark Purple (#2A0134). oklch(18.7% 0.054 335.9), rgb(33, 8, 28).
Aa
White text reads best on this color (18.81:1).
About this color
#21081C is a very dark, muted purple. In OKLCH its lightness is 19%, its chroma 0.054 and its hue 336°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Purple (#2A0134), ΔE 0.055 away. White text reads best on it, at 18.81:1.
| Hue family | Purples |
| Lightness | very dark (19%) |
| Chroma | muted (0.054) |
| Temperature | warm |
| Nearest name | Very Dark Purple (#2A0134) |
| Black text | 1.11:1 |
| White text | 18.81:1 |
Values
| HEX | #21081C |
| RGB | rgb(33, 8, 28) |
| HSL | hsl(312, 61%, 8%) |
| OKLCH | oklch(18.7% 0.054 335.9) |
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 #21081C | 18.81:1 | AAA | Lc -107.2 | Preferred for body text |
| Black text on #21081C | 1.11:1 | Fails | Lc 0.0 | Not readable |
| #21081C text on white | 18.81:1 | AAA | Lc 105.1 | Preferred for body text |
| #21081C 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
#F9F3F8
oklch(97% 0.009 330.9)
-
Step 100
100
#F2E5EF
oklch(93.5% 0.019 333.5)
-
Step 200
200
#E9D1E2
oklch(88.5% 0.035 336.2)
-
Step 300
300
#DCB2D0
oklch(81% 0.063 336.6)
-
Step 400
400
#C988B9
oklch(70.7% 0.102 336)
-
Step 500
500
#B969A7
oklch(63.1% 0.129 335.9)
-
Step 600
600
#A44F92
oklch(55.6% 0.14 336)
-
Step 700
700
#8D3F7D
oklch(49.2% 0.132 335.9)
-
Step 800
800
#723465
oklch(42.6% 0.109 336)
-
Step 900
900
#5D2E53
oklch(37.7% 0.086 335.7)
-
Step 950
950 (this color)
#21081C
oklch(18.7% 0.054 335.9)
#21081C 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) | #080F1D | 0.056 |
| Deuteranopia (no green cones) | #10131B | 0.050 |
| Tritanopia (no blue cones) | #230910 | 0.027 |
| Achromatopsia (no color) | #111111 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #21081C
#21081C
oklch(18.7% 0.054 335.9)
- #00190A
#00190A
oklch(18.8% 0.046 155.6)
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 #21081C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Purple #2A0134 ΔE 0.055
- Midnight Purple #280137 ΔE 0.059
- Very Dark Brown #1D0200 ΔE 0.063
- Rich Black #0D1B2A ΔE 0.069
- Almost Black #070D0D ΔE 0.071
- Eggplant #380835 ΔE 0.073
- Rich Navy #001219 ΔE 0.074
- Dark Maroon #3C0008 ΔE 0.075
Use #21081C 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.