#25152E
Closest named color: Rich Black (#0D1B2A). oklch(23% 0.051 312.4), rgb(37, 21, 46).
Aa
White text reads best on this color (17.13:1).
About this color
#25152E is a very dark, muted purple. In OKLCH its lightness is 23%, its chroma 0.051 and its hue 312°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.048 away. White text reads best on it, at 17.13:1.
| Hue family | Purples |
| Lightness | very dark (23%) |
| Chroma | muted (0.051) |
| Temperature | in between |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.22:1 |
| White text | 17.13:1 |
Values
| HEX | #25152E |
| RGB | rgb(37, 21, 46) |
| HSL | hsl(278, 37%, 13%) |
| OKLCH | oklch(23% 0.051 312.4) |
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 #25152E | 17.13:1 | AAA | Lc -106.3 | Preferred for body text |
| Black text on #25152E | 1.22:1 | Fails | Lc 0.0 | Not readable |
| #25152E text on white | 17.13:1 | AAA | Lc 103.9 | Preferred for body text |
| #25152E text on black | 1.22:1 | 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
#F7F4F9
oklch(97.1% 0.007 312.3)
-
Step 100
100
#EEE7F3
oklch(93.7% 0.018 311.6)
-
Step 200
200
#E1D3EA
oklch(88.5% 0.035 312.4)
-
Step 300
300
#CEB6DD
oklch(80.9% 0.06 312.4)
-
Step 400
400
#B58FCC
oklch(70.7% 0.096 312.3)
-
Step 500
500
#A372BF
oklch(63.1% 0.124 312.5)
-
Step 600
600
#8E59AB
oklch(55.6% 0.134 312.6)
-
Step 700
700
#794893
oklch(49.1% 0.126 312.8)
-
Step 800
800
#623C77
oklch(42.7% 0.103 312.5)
-
Step 900
900
#503460
oklch(37.7% 0.08 312.3)
-
Step 950
950 (this color)
#25152E
oklch(23% 0.051 312.4)
#25152E 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) | #101B2F | 0.042 |
| Deuteranopia (no green cones) | #141C2D | 0.038 |
| Tritanopia (no blue cones) | #24191F | 0.036 |
| Achromatopsia (no color) | #1B1B1B | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #25152E
#25152E
oklch(23% 0.051 312.4)
- #132206
#132206
oklch(23.1% 0.052 132.7)
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 #25152E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.048
- Dark #1B2431 ΔE 0.050
- Eggplant #380835 ΔE 0.052
- Very Dark Purple #2A0134 ΔE 0.052
- Midnight Purple #280137 ΔE 0.054
- Oxford Blue #1B263B ΔE 0.056
- Dark Purple #35063E ΔE 0.057
- Jet #212529 ΔE 0.058
Use #25152E 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.