#210F23
Closest named color: Rich Black (#0D1B2A). oklch(20.4% 0.046 323.4), rgb(33, 15, 35).
Aa
White text reads best on this color (18.14:1).
About this color
#210F23 is a very dark, muted purple. In OKLCH its lightness is 20%, its chroma 0.046 and its hue 323°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.051 away. White text reads best on it, at 18.14:1.
| Hue family | Purples |
| Lightness | very dark (20%) |
| Chroma | muted (0.046) |
| Temperature | in between |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.15:1 |
| White text | 18.14:1 |
Values
| HEX | #210F23 |
| RGB | rgb(33, 15, 35) |
| HSL | hsl(294, 40%, 10%) |
| OKLCH | oklch(20.4% 0.046 323.4) |
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 #210F23 | 18.14:1 | AAA | Lc -106.9 | Preferred for body text |
| Black text on #210F23 | 1.15:1 | Fails | Lc 0.0 | Not readable |
| #210F23 text on white | 18.14:1 | AAA | Lc 104.7 | Preferred for body text |
| #210F23 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
#F8F4F8
oklch(97.1% 0.007 325.6)
-
Step 100
100
#EFE6F0
oklch(93.5% 0.016 322.7)
-
Step 200
200
#E3D3E5
oklch(88.5% 0.03 322.4)
-
Step 300
300
#D3B5D5
oklch(80.9% 0.055 324.1)
-
Step 400
400
#BC8EC0
oklch(70.7% 0.088 323.8)
-
Step 500
500
#AA71B0
oklch(63% 0.112 323.4)
-
Step 600
600
#95589C
oklch(55.5% 0.123 323.3)
-
Step 700
700
#7F4885
oklch(49.1% 0.113 323.5)
-
Step 800
800
#673C6C
oklch(42.7% 0.093 323.2)
-
Step 900
900
#543358
oklch(37.6% 0.074 323)
-
Step 950
950 (this color)
#210F23
oklch(20.4% 0.046 323.4)
#210F23 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) | #0D1424 | 0.042 |
| Deuteranopia (no green cones) | #121622 | 0.037 |
| Tritanopia (no blue cones) | #221117 | 0.027 |
| Achromatopsia (no color) | #161616 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #210F23
#210F23
oklch(20.4% 0.046 323.4)
- #081C08
#081C08
oklch(20.3% 0.046 143.6)
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 #210F23, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.051
- Very Dark Purple #2A0134 ΔE 0.053
- Midnight Purple #280137 ΔE 0.056
- Eggplant #380835 ΔE 0.065
- Dark #1B2431 ΔE 0.069
- Rich Navy #001219 ΔE 0.070
- Dark Purple #35063E ΔE 0.071
- Jet #212529 ΔE 0.073
Use #210F23 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.