#25172D
Closest named color: Dark (#1B2431). oklch(23.4% 0.045 312.5), rgb(37, 23, 45).
Aa
White text reads best on this color (16.94:1).
About this color
#25172D is a very dark, muted purple. In OKLCH its lightness is 23%, its chroma 0.045 and its hue 312°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.044 away. White text reads best on it, at 16.94:1.
| Hue family | Purples |
| Lightness | very dark (23%) |
| Chroma | muted (0.045) |
| Temperature | in between |
| Nearest name | Dark (#1B2431) |
| Black text | 1.23:1 |
| White text | 16.94:1 |
Values
| HEX | #25172D |
| RGB | rgb(37, 23, 45) |
| HSL | hsl(278, 32%, 13%) |
| OKLCH | oklch(23.4% 0.045 312.5) |
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 #25172D | 16.94:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #25172D | 1.23:1 | Fails | Lc 0.0 | Not readable |
| #25172D text on white | 16.94:1 | AAA | Lc 103.8 | Preferred for body text |
| #25172D text on black | 1.23:1 | 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
#EDE7F1
oklch(93.6% 0.015 312.2)
-
Step 200
200
#E0D4E8
oklch(88.6% 0.03 312.1)
-
Step 300
300
#CDB7DA
oklch(80.9% 0.054 313)
-
Step 400
400
#B391C7
oklch(70.7% 0.086 312.7)
-
Step 500
500
#A075B9
oklch(63.1% 0.11 312.4)
-
Step 600
600
#8B5DA5
oklch(55.6% 0.119 312.4)
-
Step 700
700
#764C8D
oklch(49.1% 0.11 312.7)
-
Step 800
800
#603F73
oklch(42.8% 0.091 312.2)
-
Step 900
900
#4F365D
oklch(37.8% 0.071 312.7)
-
Step 950
950 (this color)
#25172D
oklch(23.4% 0.045 312.5)
#25172D 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) | #131C2E | 0.036 |
| Deuteranopia (no green cones) | #161D2C | 0.034 |
| Tritanopia (no blue cones) | #241A1F | 0.032 |
| Achromatopsia (no color) | #1D1D1D | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #25172D
#25172D
oklch(23.4% 0.045 312.5)
- #15220A
#15220A
oklch(23.3% 0.046 132.5)
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 #25172D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.044
- Rich Black #0D1B2A ΔE 0.045
- Jet #212529 ΔE 0.051
- Oxford Blue #1B263B ΔE 0.051
- Eggplant #380835 ΔE 0.055
- Very Dark Purple #2A0134 ΔE 0.059
- Midnight Purple #280137 ΔE 0.061
- Dark Purple #35063E ΔE 0.061
Use #25172D 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.