#210D3E
Closest named color: Midnight Purple (#280137). oklch(22.3% 0.088 297.4), rgb(33, 13, 62).
Aa
White text reads best on this color (17.62:1).
About this color
#210D3E is a very dark, moderately saturated purple. In OKLCH its lightness is 22%, its chroma 0.088 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Midnight Purple (#280137), ΔE 0.033 away. White text reads best on it, at 17.62:1.
| Hue family | Purples |
| Lightness | very dark (22%) |
| Chroma | moderately saturated (0.088) |
| Temperature | in between |
| Nearest name | Midnight Purple (#280137) |
| Black text | 1.19:1 |
| White text | 17.62:1 |
Values
| HEX | #210D3E |
| RGB | rgb(33, 13, 62) |
| HSL | hsl(264, 65%, 15%) |
| OKLCH | oklch(22.3% 0.088 297.4) |
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 #210D3E | 17.62:1 | AAA | Lc -106.4 | Preferred for body text |
| Black text on #210D3E | 1.19:1 | Fails | Lc 0.0 | Not readable |
| #210D3E text on white | 17.62:1 | AAA | Lc 104.1 | Preferred for body text |
| #210D3E text on black | 1.19:1 | 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
#DDD2FC
oklch(88.6% 0.058 297.2)
-
Step 300
300
#C8B2FC
oklch(80.8% 0.105 297.7)
-
Step 400
400
#AD86FA
oklch(70.6% 0.167 297.5)
-
Step 500
500
#9B62F8
oklch(63.1% 0.215 297.4)
-
Step 600
600
#8742E6
oklch(55.6% 0.232 297.5)
-
Step 700
700
#7331C8
oklch(49.1% 0.216 297.6)
-
Step 800
800
#5D2BA2
oklch(42.7% 0.179 297.3)
-
Step 900
900
#4C2A80
oklch(37.7% 0.138 297.5)
-
Step 950
950 (this color)
#210D3E
oklch(22.3% 0.088 297.4)
#210D3E 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) | #00193F | 0.058 |
| Deuteranopia (no green cones) | #00183D | 0.058 |
| Tritanopia (no blue cones) | #1A1924 | 0.067 |
| Achromatopsia (no color) | #191919 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #210D3E
#210D3E
oklch(22.3% 0.088 297.4)
- #1A1E00
#1A1E00
oklch(22.3% 0.051 116.6)
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 #210D3E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Purple #280137 ΔE 0.033
- Very Dark Purple #2A0134 ΔE 0.038
- Dark Indigo #1F0954 ΔE 0.042
- Dark Purple #35063E ΔE 0.048
- Deep Purple #36013F ΔE 0.052
- Eggplant #380835 ΔE 0.058
- Navy Blue #001146 ΔE 0.060
- Rich Black #0D1B2A ΔE 0.069
Use #210D3E 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.