#21041F
Closest named color: Very Dark Purple (#2A0134). oklch(18.1% 0.067 330.7), rgb(33, 4, 31).
Aa
White text reads best on this color (19.05:1).
About this color
#21041F is a very dark, muted purple. In OKLCH its lightness is 18%, its chroma 0.067 and its hue 331°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Very Dark Purple (#2A0134), ΔE 0.047 away. White text reads best on it, at 19.05:1.
| Hue family | Purples |
| Lightness | very dark (18%) |
| Chroma | muted (0.067) |
| Temperature | in between |
| Nearest name | Very Dark Purple (#2A0134) |
| Black text | 1.10:1 |
| White text | 19.05:1 |
Values
| HEX | #21041F |
| RGB | rgb(33, 4, 31) |
| HSL | hsl(304, 78%, 7%) |
| OKLCH | oklch(18.1% 0.067 330.7) |
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 #21041F | 19.05:1 | AAA | Lc -107.2 | Preferred for body text |
| Black text on #21041F | 1.10:1 | Fails | Lc 0.0 | Not readable |
| #21041F text on white | 19.05:1 | AAA | Lc 105.1 | Preferred for body text |
| #21041F text on black | 1.10:1 | 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
#FAF3F9
oklch(97.1% 0.011 330.1)
-
Step 100
100
#F3E5F1
oklch(93.6% 0.022 330.3)
-
Step 200
200
#EBCFE7
oklch(88.5% 0.044 330.6)
-
Step 300
300
#DFAED9
oklch(80.8% 0.08 330.4)
-
Step 400
400
#CD82C5
oklch(70.7% 0.127 330.7)
-
Step 500
500
#BF60B6
oklch(63.2% 0.162 330.9)
-
Step 600
600
#AA43A2
oklch(55.6% 0.176 330.8)
-
Step 700
700
#91348B
oklch(49.1% 0.163 330.4)
-
Step 800
800
#762C71
oklch(42.7% 0.136 330.4)
-
Step 900
900
#60295B
oklch(37.8% 0.105 331)
-
Step 950
950 (this color)
#21041F
oklch(18.1% 0.067 330.7)
#21041F 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) | #030D20 | 0.070 |
| Deuteranopia (no green cones) | #0B111E | 0.061 |
| Tritanopia (no blue cones) | #230610 | 0.035 |
| Achromatopsia (no color) | #101010 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #21041F
#21041F
oklch(18.1% 0.067 330.7)
- #001706
#001706
oklch(17.9% 0.048 151)
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 #21041F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Purple #2A0134 ΔE 0.047
- Midnight Purple #280137 ΔE 0.050
- Very Dark Brown #1D0200 ΔE 0.071
- Eggplant #380835 ΔE 0.071
- Dark Purple #35063E ΔE 0.076
- Dark Plum #3F012C ΔE 0.078
- Deep Purple #36013F ΔE 0.078
- Rich Black #0D1B2A ΔE 0.079
Use #21041F 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.