#25172C
Closest named color: Dark (#1B2431). oklch(23.3% 0.044 313.9), rgb(37, 23, 44).
Aa
White text reads best on this color (16.96:1).
About this color
#25172C is a very dark, muted purple. In OKLCH its lightness is 23%, its chroma 0.044 and its hue 314°. 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 16.96:1.
| Hue family | Purples |
| Lightness | very dark (23%) |
| Chroma | muted (0.044) |
| Temperature | in between |
| Nearest name | Dark (#1B2431) |
| Black text | 1.23:1 |
| White text | 16.96:1 |
Values
| HEX | #25172C |
| RGB | rgb(37, 23, 44) |
| HSL | hsl(280, 31%, 13%) |
| OKLCH | oklch(23.3% 0.044 313.9) |
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 #25172C | 16.96:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #25172C | 1.23:1 | Fails | Lc 0.0 | Not readable |
| #25172C text on white | 16.96:1 | AAA | Lc 103.8 | Preferred for body text |
| #25172C 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
#E0D4E7
oklch(88.5% 0.029 313.3)
-
Step 300
300
#CDB7D9
oklch(80.9% 0.053 313.7)
-
Step 400
400
#B391C5
oklch(70.6% 0.083 313.7)
-
Step 500
500
#A176B6
oklch(63.2% 0.105 314.2)
-
Step 600
600
#8B5DA2
oklch(55.5% 0.115 313.7)
-
Step 700
700
#764D8B
oklch(49.1% 0.106 313.4)
-
Step 800
800
#603F71
oklch(42.7% 0.089 313.4)
-
Step 900
900
#4F365B
oklch(37.7% 0.069 314.3)
-
Step 950
950 (this color)
#25172C
oklch(23.3% 0.044 313.9)
#25172C 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) | #131C2D | 0.036 |
| Deuteranopia (no green cones) | #171D2B | 0.032 |
| Tritanopia (no blue cones) | #241A1F | 0.030 |
| Achromatopsia (no color) | #1C1C1C | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #25172C
#25172C
oklch(23.3% 0.044 313.9)
- #15220C
#15220C
oklch(23.3% 0.043 133.9)
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 #25172C, 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 0.050
- Oxford Blue #1B263B ΔE 0.052
- Eggplant #380835 ΔE 0.056
- Very Dark Purple #2A0134 ΔE 0.060
- Midnight Purple #280137 ΔE 0.062
- Dark Purple #35063E ΔE 0.063
Use #25172C 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.