#21082B
Closest named color: Very Dark Purple (#2A0134). oklch(19.8% 0.071 314.8), rgb(33, 8, 43).
Aa
White text reads best on this color (18.51:1).
About this color
#21082B is a very dark, moderately saturated purple. In OKLCH its lightness is 20%, its chroma 0.071 and its hue 315°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Very Dark Purple (#2A0134), ΔE 0.031 away. White text reads best on it, at 18.51:1.
| Hue family | Purples |
| Lightness | very dark (20%) |
| Chroma | moderately saturated (0.071) |
| Temperature | in between |
| Nearest name | Very Dark Purple (#2A0134) |
| Black text | 1.13:1 |
| White text | 18.51:1 |
Values
| HEX | #21082B |
| RGB | rgb(33, 8, 43) |
| HSL | hsl(283, 69%, 10%) |
| OKLCH | oklch(19.8% 0.071 314.8) |
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 #21082B | 18.51:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #21082B | 1.13:1 | Fails | Lc 0.0 | Not readable |
| #21082B text on white | 18.51:1 | AAA | Lc 104.8 | Preferred for body text |
| #21082B text on black | 1.13:1 | 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
#F8F3FB
oklch(97% 0.012 313.2)
-
Step 100
100
#F0E5F5
oklch(93.5% 0.024 315.5)
-
Step 200
200
#E5D0EF
oklch(88.4% 0.048 315)
-
Step 300
300
#D5B1E7
oklch(81% 0.084 314.3)
-
Step 400
400
#C085DA
oklch(70.6% 0.135 315)
-
Step 500
500
#B064D0
oklch(63.2% 0.172 315)
-
Step 600
600
#9B47BD
oklch(55.6% 0.188 314.9)
-
Step 700
700
#8437A3
oklch(49% 0.175 314.7)
-
Step 800
800
#6B2F84
oklch(42.6% 0.144 314.6)
-
Step 900
900
#572B6A
oklch(37.7% 0.113 314.6)
-
Step 950
950 (this color)
#21082B
oklch(19.8% 0.071 314.8)
#21082B 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) | #00122C | 0.068 |
| Deuteranopia (no green cones) | #07142A | 0.059 |
| Tritanopia (no blue cones) | #200F18 | 0.047 |
| Achromatopsia (no color) | #131313 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #21082B
#21082B
oklch(19.8% 0.071 314.8)
- #091B00
#091B00
oklch(19.9% 0.058 134.8)
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 #21082B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Purple #2A0134 ΔE 0.031
- Midnight Purple #280137 ΔE 0.032
- Eggplant #380835 ΔE 0.059
- Dark Purple #35063E ΔE 0.059
- Deep Purple #36013F ΔE 0.062
- Rich Black #0D1B2A ΔE 0.067
- Aubergine #3D0734 ΔE 0.070
- Dark Plum #3F012C ΔE 0.073
Use #21082B 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.