#21041D
Closest named color: Very Dark Purple (#2A0134). oklch(17.9% 0.065 333.7), rgb(33, 4, 29).
Aa
White text reads best on this color (19.09:1).
About this color
#21041D is a very dark, muted purple. In OKLCH its lightness is 18%, its chroma 0.065 and its hue 334°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Very Dark Purple (#2A0134), ΔE 0.050 away. White text reads best on it, at 19.09:1.
| Hue family | Purples |
| Lightness | very dark (18%) |
| Chroma | muted (0.065) |
| Temperature | in between |
| Nearest name | Very Dark Purple (#2A0134) |
| Black text | 1.09:1 |
| White text | 19.09:1 |
Values
| HEX | #21041D |
| RGB | rgb(33, 4, 29) |
| HSL | hsl(308, 78%, 7%) |
| OKLCH | oklch(17.9% 0.065 333.7) |
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 #21041D | 19.09:1 | AAA | Lc -107.2 | Preferred for body text |
| Black text on #21041D | 1.09:1 | Fails | Lc 0.0 | Not readable |
| #21041D text on white | 19.09:1 | AAA | Lc 105.2 | Preferred for body text |
| #21041D text on black | 1.09:1 | 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
#FAF3F8
oklch(97.1% 0.01 335.5)
-
Step 100
100
#F4E5F0
oklch(93.7% 0.022 334.9)
-
Step 200
200
#EBCFE5
oklch(88.4% 0.043 333.3)
-
Step 300
300
#E0AFD5
oklch(81% 0.076 334.3)
-
Step 400
400
#CE82C0
oklch(70.6% 0.123 333.7)
-
Step 500
500
#C060B0
oklch(63% 0.157 333.9)
-
Step 600
600
#AB449C
oklch(55.6% 0.17 333.7)
-
Step 700
700
#933585
oklch(49.2% 0.158 334)
-
Step 800
800
#772D6C
oklch(42.7% 0.131 333.8)
-
Step 900
900
#602958
oklch(37.6% 0.103 333.3)
-
Step 950
950 (this color)
#21041D
oklch(17.9% 0.065 333.7)
#21041D 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) | #040D1E | 0.069 |
| Deuteranopia (no green cones) | #0C111C | 0.060 |
| Tritanopia (no blue cones) | #23060F | 0.033 |
| Achromatopsia (no color) | #101010 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #21041D
#21041D
oklch(17.9% 0.065 333.7)
- #001708
#001708
oklch(18% 0.045 154.3)
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 #21041D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Purple #2A0134 ΔE 0.050
- Midnight Purple #280137 ΔE 0.054
- Very Dark Brown #1D0200 ΔE 0.067
- Eggplant #380835 ΔE 0.073
- Almost Black #070D0D ΔE 0.077
- Dark Plum #3F012C ΔE 0.079
- Dark Purple #35063E ΔE 0.079
- Rich Black #0D1B2A ΔE 0.079
Use #21041D 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.