#21071D
Closest named color: Very Dark Purple (#2A0134). oklch(18.5% 0.057 334), rgb(33, 7, 29).
Aa
White text reads best on this color (18.87:1).
About this color
#21071D is a very dark, muted purple. In OKLCH its lightness is 19%, its chroma 0.057 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 0.052 away. White text reads best on it, at 18.87:1.
| Hue family | Purples |
| Lightness | very dark (19%) |
| Chroma | muted (0.057) |
| Temperature | in between |
| Nearest name | Very Dark Purple (#2A0134) |
| Black text | 1.11:1 |
| White text | 18.87:1 |
Values
| HEX | #21071D |
| RGB | rgb(33, 7, 29) |
| HSL | hsl(309, 65%, 8%) |
| OKLCH | oklch(18.5% 0.057 334) |
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 #21071D | 18.87:1 | AAA | Lc -107.2 | Preferred for body text |
| Black text on #21071D | 1.11:1 | Fails | Lc 0.0 | Not readable |
| #21071D text on white | 18.87:1 | AAA | Lc 105.1 | Preferred for body text |
| #21071D 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
#F3E5EF
oklch(93.6% 0.02 335.7)
-
Step 200
200
#E9D0E3
oklch(88.4% 0.037 334.2)
-
Step 300
300
#DCB1D3
oklch(80.9% 0.067 333.6)
-
Step 400
400
#CA87BC
oklch(70.8% 0.107 334.5)
-
Step 500
500
#BB67AC
oklch(63.2% 0.138 334.1)
-
Step 600
600
#A64C97
oklch(55.7% 0.15 334.2)
-
Step 700
700
#8E3C81
oklch(49.1% 0.141 334)
-
Step 800
800
#733369
oklch(42.8% 0.115 333.7)
-
Step 900
900
#5D2D55
oklch(37.6% 0.09 333.8)
-
Step 950
950 (this color)
#21071D
oklch(18.5% 0.057 334)
#21071D 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) | #070F1E | 0.059 |
| Deuteranopia (no green cones) | #0F121C | 0.051 |
| Tritanopia (no blue cones) | #230910 | 0.030 |
| Achromatopsia (no color) | #111111 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #21071D
#21071D
oklch(18.5% 0.057 334)
- #001909
#001909
oklch(18.7% 0.047 154.2)
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 #21071D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Purple #2A0134 ΔE 0.052
- Midnight Purple #280137 ΔE 0.056
- Very Dark Brown #1D0200 ΔE 0.066
- Rich Black #0D1B2A ΔE 0.071
- Eggplant #380835 ΔE 0.072
- Almost Black #070D0D ΔE 0.073
- Rich Navy #001219 ΔE 0.076
- Dark Maroon #3C0008 ΔE 0.077
Use #21071D 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.