#210B3D
Closest named color: Midnight Purple (#280137). oklch(21.9% 0.09 298.8), rgb(33, 11, 61).
Aa
White text reads best on this color (17.79:1).
About this color
#210B3D is a very dark, moderately saturated purple. In OKLCH its lightness is 22%, its chroma 0.090 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Midnight Purple (#280137), ΔE 0.029 away. White text reads best on it, at 17.79:1.
| Hue family | Purples |
| Lightness | very dark (22%) |
| Chroma | moderately saturated (0.090) |
| Temperature | in between |
| Nearest name | Midnight Purple (#280137) |
| Black text | 1.17:1 |
| White text | 17.79:1 |
Values
| HEX | #210B3D |
| RGB | rgb(33, 11, 61) |
| HSL | hsl(266, 69%, 14%) |
| OKLCH | oklch(21.9% 0.09 298.8) |
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 #210B3D | 17.79:1 | AAA | Lc -106.5 | Preferred for body text |
| Black text on #210B3D | 1.17:1 | Fails | Lc 0.0 | Not readable |
| #210B3D text on white | 17.79:1 | AAA | Lc 104.2 | Preferred for body text |
| #210B3D text on black | 1.17:1 | 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
#F6F4FE
oklch(97.2% 0.013 295.3)
-
Step 100
100
#ECE6FC
oklch(93.6% 0.03 298.3)
-
Step 200
200
#DED1FC
oklch(88.5% 0.06 299)
-
Step 300
300
#CAB2FC
oklch(81% 0.105 298.9)
-
Step 400
400
#B085FB
oklch(70.7% 0.171 298.8)
-
Step 500
500
#9E60F8
oklch(63.1% 0.218 298.8)
-
Step 600
600
#8A3FE7
oklch(55.6% 0.236 298.7)
-
Step 700
700
#752EC9
oklch(49.1% 0.221 298.5)
-
Step 800
800
#5F29A2
oklch(42.7% 0.182 298.6)
-
Step 900
900
#4E2881
oklch(37.8% 0.143 299)
-
Step 950
950 (this color)
#210B3D
oklch(21.9% 0.09 298.8)
#210B3D 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) | #00183E | 0.060 |
| Deuteranopia (no green cones) | #00173C | 0.060 |
| Tritanopia (no blue cones) | #1A1723 | 0.066 |
| Achromatopsia (no color) | #181818 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #210B3D
#210B3D
oklch(21.9% 0.09 298.8)
- #181D00
#181D00
oklch(21.8% 0.051 118.4)
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 #210B3D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Purple #280137 ΔE 0.029
- Very Dark Purple #2A0134 ΔE 0.035
- Dark Indigo #1F0954 ΔE 0.044
- Dark Purple #35063E ΔE 0.048
- Deep Purple #36013F ΔE 0.051
- Eggplant #380835 ΔE 0.058
- Navy Blue #001146 ΔE 0.061
- Night Blue #040348 ΔE 0.069
Use #210B3D 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.