#210F1F
Closest named color: Rich Black (#0D1B2A). oklch(20.2% 0.041 331.1), rgb(33, 15, 31).
Aa
White text reads best on this color (18.21:1).
About this color
#210F1F is a very dark, muted purple. In OKLCH its lightness is 20%, its chroma 0.041 and its hue 331°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.052 away. White text reads best on it, at 18.21:1.
| Hue family | Purples |
| Lightness | very dark (20%) |
| Chroma | muted (0.041) |
| Temperature | in between |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.15:1 |
| White text | 18.21:1 |
Values
| HEX | #210F1F |
| RGB | rgb(33, 15, 31) |
| HSL | hsl(307, 38%, 9%) |
| OKLCH | oklch(20.2% 0.041 331.1) |
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 #210F1F | 18.21:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #210F1F | 1.15:1 | Fails | Lc 0.0 | Not readable |
| #210F1F text on white | 18.21:1 | AAA | Lc 104.8 | Preferred for body text |
| #210F1F 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
#F8F4F7
oklch(97.1% 0.006 334)
-
Step 100
100
#F0E7EE
oklch(93.7% 0.013 333)
-
Step 200
200
#E4D3E1
oklch(88.5% 0.026 331.6)
-
Step 300
300
#D4B6CF
oklch(81% 0.048 331.6)
-
Step 400
400
#BD8FB7
oklch(70.7% 0.078 330.9)
-
Step 500
500
#AC73A5
oklch(63.1% 0.099 331.1)
-
Step 600
600
#975A90
oklch(55.5% 0.108 331.1)
-
Step 700
700
#814A7B
oklch(49.2% 0.101 331)
-
Step 800
800
#693D64
oklch(42.8% 0.083 331.1)
-
Step 900
900
#553451
oklch(37.6% 0.065 331.2)
-
Step 950
950 (this color)
#210F1F
oklch(20.2% 0.041 331.1)
#210F1F 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) | #0E1420 | 0.041 |
| Deuteranopia (no green cones) | #13161E | 0.037 |
| Tritanopia (no blue cones) | #221015 | 0.022 |
| Achromatopsia (no color) | #151515 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #210F1F
#210F1F
oklch(20.2% 0.041 331.1)
- #061C0C
#061C0C
oklch(20.3% 0.043 150.5)
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 #210F1F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.052
- Very Dark Purple #2A0134 ΔE 0.060
- Midnight Purple #280137 ΔE 0.063
- Rich Navy #001219 ΔE 0.068
- Almost Black #070D0D ΔE 0.070
- Eggplant #380835 ΔE 0.070
- Dark #1B2431 ΔE 0.070
- Very Dark Brown #1D0200 ΔE 0.072
Use #210F1F 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.