#210F1C
Closest named color: Rich Black (#0D1B2A). oklch(20% 0.038 338.1), rgb(33, 15, 28).
Aa
White text reads best on this color (18.26:1).
About this color
#210F1C is a very dark, muted purple. In OKLCH its lightness is 20%, its chroma 0.038 and its hue 338°. Its hue sits on the warm side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.053 away. White text reads best on it, at 18.26:1.
| Hue family | Purples |
| Lightness | very dark (20%) |
| Chroma | muted (0.038) |
| Temperature | warm |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.14:1 |
| White text | 18.26:1 |
Values
| HEX | #210F1C |
| RGB | rgb(33, 15, 28) |
| HSL | hsl(317, 38%, 9%) |
| OKLCH | oklch(20% 0.038 338.1) |
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 #210F1C | 18.26:1 | AAA | Lc -107.0 | Preferred for body text |
| Black text on #210F1C | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #210F1C text on white | 18.26:1 | AAA | Lc 104.8 | Preferred for body text |
| #210F1C text on black | 1.14:1 | 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
#F0E7ED
oklch(93.7% 0.013 337.5)
-
Step 200
200
#E5D3DF
oklch(88.5% 0.025 337.8)
-
Step 300
300
#D5B6CB
oklch(80.9% 0.045 337.9)
-
Step 400
400
#BF90B0
oklch(70.8% 0.071 338.5)
-
Step 500
500
#AE749D
oklch(63.2% 0.091 338.1)
-
Step 600
600
#995B87
oklch(55.6% 0.1 338.5)
-
Step 700
700
#824B73
oklch(49.1% 0.092 337.8)
-
Step 800
800
#6A3E5D
oklch(42.8% 0.076 338.7)
-
Step 900
900
#56354D
oklch(37.7% 0.06 337.4)
-
Step 950
950 (this color)
#210F1C
oklch(20% 0.038 338.1)
#210F1C 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) | #0F131C | 0.039 |
| Deuteranopia (no green cones) | #14161B | 0.035 |
| Tritanopia (no blue cones) | #230F14 | 0.017 |
| Achromatopsia (no color) | #151515 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #210F1C
#210F1C
oklch(20% 0.038 338.1)
- #051B0F
#051B0F
oklch(20% 0.038 157.4)
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 #210F1C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.053
- Very Dark Purple #2A0134 ΔE 0.065
- Rich Navy #001219 ΔE 0.066
- Almost Black #070D0D ΔE 0.066
- Very Dark Brown #1D0200 ΔE 0.067
- Midnight Purple #280137 ΔE 0.069
- Dark #1B2431 ΔE 0.072
- Dark Maroon #3C0008 ΔE 0.072
Use #210F1C 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.