#25101D
Closest named color: Rich Black (#0D1B2A). oklch(21% 0.041 343.3), rgb(37, 16, 29).
Aa
White text reads best on this color (17.94:1).
About this color
#25101D is a very dark, muted purple. In OKLCH its lightness is 21%, its chroma 0.041 and its hue 343°. Its hue sits on the warm side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.056 away. White text reads best on it, at 17.94:1.
| Hue family | Purples |
| Lightness | very dark (21%) |
| Chroma | muted (0.041) |
| Temperature | warm |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.17:1 |
| White text | 17.94:1 |
Values
| HEX | #25101D |
| RGB | rgb(37, 16, 29) |
| HSL | hsl(323, 40%, 10%) |
| OKLCH | oklch(21% 0.041 343.3) |
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 #25101D | 17.94:1 | AAA | Lc -106.8 | Preferred for body text |
| Black text on #25101D | 1.17:1 | Fails | Lc 0.0 | Not readable |
| #25101D text on white | 17.94:1 | AAA | Lc 104.6 | Preferred for body text |
| #25101D 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
#F9F4F6
oklch(97.2% 0.006 350.8)
-
Step 100
100
#F1E6EC
oklch(93.5% 0.014 343.2)
-
Step 200
200
#E7D2DE
oklch(88.4% 0.028 342.3)
-
Step 300
300
#D8B5C9
oklch(81% 0.048 342.9)
-
Step 400
400
#C48DAD
oklch(70.7% 0.079 343.5)
-
Step 500
500
#B37099
oklch(63% 0.1 343)
-
Step 600
600
#9E5884
oklch(55.6% 0.108 342.8)
-
Step 700
700
#87486F
oklch(49.1% 0.099 343.5)
-
Step 800
800
#6E3B5B
oklch(42.7% 0.084 342.9)
-
Step 900
900
#59334A
oklch(37.6% 0.064 343.5)
-
Step 950
950 (this color)
#25101D
oklch(21% 0.041 343.3)
#25101D 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) | #11151D | 0.044 |
| Deuteranopia (no green cones) | #17181C | 0.039 |
| Tritanopia (no blue cones) | #271015 | 0.017 |
| Achromatopsia (no color) | #171717 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #25101D
#25101D
oklch(21% 0.041 343.3)
- #031E13
#031E13
oklch(21% 0.04 163.4)
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 #25101D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.056
- Very Dark Purple #2A0134 ΔE 0.064
- Dark Maroon #3C0008 ΔE 0.065
- Eggplant #380835 ΔE 0.067
- Jet #212529 ΔE 0.068
- Midnight Purple #280137 ΔE 0.068
- Dark #1B2431 ΔE 0.068
- Dark Plum #3F012C ΔE 0.072
Use #25101D 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.