#210D2B
Closest named color: Very Dark Purple (#2A0134). oklch(20.6% 0.062 313), rgb(33, 13, 43).
Aa
White text reads best on this color (18.14:1).
About this color
#210D2B is a very dark, muted purple. In OKLCH its lightness is 21%, its chroma 0.062 and its hue 313°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Very Dark Purple (#2A0134), ΔE 0.038 away. White text reads best on it, at 18.14:1.
| Hue family | Purples |
| Lightness | very dark (21%) |
| Chroma | muted (0.062) |
| Temperature | in between |
| Nearest name | Very Dark Purple (#2A0134) |
| Black text | 1.15:1 |
| White text | 18.14:1 |
Values
| HEX | #210D2B |
| RGB | rgb(33, 13, 43) |
| HSL | hsl(280, 54%, 11%) |
| OKLCH | oklch(20.6% 0.062 313) |
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 #210D2B | 18.14:1 | AAA | Lc -106.9 | Preferred for body text |
| Black text on #210D2B | 1.15:1 | Fails | Lc 0.0 | Not readable |
| #210D2B text on white | 18.14:1 | AAA | Lc 104.7 | Preferred for body text |
| #210D2B text on black | 1.15:1 | 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
#F8F4FA
oklch(97.2% 0.009 314.8)
-
Step 100
100
#EFE6F4
oklch(93.6% 0.021 313.8)
-
Step 200
200
#E3D2ED
oklch(88.6% 0.041 313.2)
-
Step 300
300
#D1B3E3
oklch(80.8% 0.074 312.7)
-
Step 400
400
#BA8AD4
oklch(70.6% 0.117 313.2)
-
Step 500
500
#A96BC9
oklch(63.1% 0.15 313.2)
-
Step 600
600
#9451B6
oklch(55.7% 0.162 312.9)
-
Step 700
700
#7E419C
oklch(49.1% 0.15 313.1)
-
Step 800
800
#66367F
oklch(42.7% 0.125 312.6)
-
Step 900
900
#533066
oklch(37.7% 0.097 312.5)
-
Step 950
950 (this color)
#210D2B
oklch(20.6% 0.062 313)
#210D2B 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) | #05152C | 0.055 |
| Deuteranopia (no green cones) | #0C162A | 0.048 |
| Tritanopia (no blue cones) | #20121A | 0.041 |
| Achromatopsia (no color) | #161616 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #210D2B
#210D2B
oklch(20.6% 0.062 313)
- #0C1D00
#0C1D00
oklch(20.8% 0.059 133.2)
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 #210D2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Purple #2A0134 ΔE 0.038
- Midnight Purple #280137 ΔE 0.039
- Rich Black #0D1B2A ΔE 0.056
- Eggplant #380835 ΔE 0.057
- Dark Purple #35063E ΔE 0.059
- Deep Purple #36013F ΔE 0.064
- Aubergine #3D0734 ΔE 0.068
- Dark Plum #3F012C ΔE 0.072
Use #210D2B 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.