#25152A
Closest named color: Rich Black (#0D1B2A). oklch(22.7% 0.045 317.9), rgb(37, 21, 42).
Aa
White text reads best on this color (17.22:1).
About this color
#25152A is a very dark, muted purple. In OKLCH its lightness is 23%, its chroma 0.045 and its hue 318°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.046 away. White text reads best on it, at 17.22:1.
| Hue family | Purples |
| Lightness | very dark (23%) |
| Chroma | muted (0.045) |
| Temperature | in between |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.21:1 |
| White text | 17.22:1 |
Values
| HEX | #25152A |
| RGB | rgb(37, 21, 42) |
| HSL | hsl(286, 33%, 12%) |
| OKLCH | oklch(22.7% 0.045 317.9) |
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 #25152A | 17.22:1 | AAA | Lc -106.4 | Preferred for body text |
| Black text on #25152A | 1.21:1 | Fails | Lc 0.0 | Not readable |
| #25152A text on white | 17.22:1 | AAA | Lc 104.0 | Preferred for body text |
| #25152A text on black | 1.21:1 | 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
#EEE7F1
oklch(93.6% 0.015 316)
-
Step 200
200
#E2D3E6
oklch(88.5% 0.03 319.1)
-
Step 300
300
#CFB6D8
oklch(80.8% 0.054 317.1)
-
Step 400
400
#B790C4
oklch(70.7% 0.086 317.6)
-
Step 500
500
#A573B5
oklch(63.1% 0.111 317.7)
-
Step 600
600
#905BA0
oklch(55.6% 0.119 318.1)
-
Step 700
700
#7A4A89
oklch(49% 0.111 317.8)
-
Step 800
800
#643D6F
oklch(42.7% 0.092 318.6)
-
Step 900
900
#51355A
oklch(37.7% 0.071 317.7)
-
Step 950
950 (this color)
#25152A
oklch(22.7% 0.045 317.9)
#25152A 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) | #121A2B | 0.038 |
| Deuteranopia (no green cones) | #161C29 | 0.036 |
| Tritanopia (no blue cones) | #25181D | 0.030 |
| Achromatopsia (no color) | #1B1B1B | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #25152A
#25152A
oklch(22.7% 0.045 317.9)
- #11210B
#11210B
oklch(22.7% 0.045 137.8)
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 #25152A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.046
- Dark #1B2431 ΔE 0.050
- Eggplant #380835 ΔE 0.055
- Jet #212529 ΔE 0.055
- Very Dark Purple #2A0134 ΔE 0.056
- Oxford Blue #1B263B ΔE 0.058
- Midnight Purple #280137 ΔE 0.058
- Dark Purple #35063E ΔE 0.062
Use #25152A 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.