#25171E
Closest named color: Jet (#212529). oklch(22.6% 0.026 347.9), rgb(37, 23, 30).
Aa
White text reads best on this color (17.21:1).
About this color
#25171E is a very dark close to neutral grey. In OKLCH its lightness is 23%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.046 away. White text reads best on it, at 17.21:1.
| Hue family | Neutrals |
| Lightness | very dark (23%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Jet (#212529) |
| Black text | 1.21:1 |
| White text | 17.21:1 |
Values
| HEX | #25171E |
| RGB | rgb(37, 23, 30) |
| HSL | hsl(330, 23%, 12%) |
| OKLCH | oklch(22.6% 0.026 347.9) |
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 #25171E | 17.21:1 | AAA | Lc -106.4 | Preferred for body text |
| Black text on #25171E | 1.21:1 | Fails | Lc 0.0 | Not readable |
| #25171E text on white | 17.21:1 | AAA | Lc 104.1 | Preferred for body text |
| #25171E 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
#F8F4F6
oklch(97.1% 0.005 345.3)
-
Step 100
100
#EFE8EB
oklch(93.7% 0.009 349.3)
-
Step 200
200
#E2D5DB
oklch(88.5% 0.016 347.7)
-
Step 300
300
#D0B9C4
oklch(80.8% 0.03 347.3)
-
Step 400
400
#B895A6
oklch(70.7% 0.048 347.6)
-
Step 500
500
#A67A90
oklch(63% 0.062 347.6)
-
Step 600
600
#91637A
oklch(55.5% 0.067 348.1)
-
Step 700
700
#7C5267
oklch(49.2% 0.063 348.3)
-
Step 800
800
#644354
oklch(42.6% 0.052 347.3)
-
Step 900
900
#523945
oklch(37.7% 0.04 348.8)
-
Step 950
950 (this color)
#25171E
oklch(22.6% 0.026 347.9)
#25171E 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) | #181A1E | 0.027 |
| Deuteranopia (no green cones) | #1B1C1E | 0.026 |
| Tritanopia (no blue cones) | #271719 | 0.010 |
| Achromatopsia (no color) | #1B1B1B | 0.026 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #25171E
#25171E
oklch(22.6% 0.026 347.9)
- #0F201A
#0F201A
oklch(22.6% 0.026 169.4)
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 #25171E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.046
- Rich Black #0D1B2A ΔE 0.047
- Dark #1B2431 ΔE 0.050
- Dark Brown #341C02 ΔE 0.061
- Oxford Blue #1B263B ΔE 0.064
- Dark Maroon #3C0008 ΔE 0.070
- Eggplant #380835 ΔE 0.074
- Rich Navy #001219 ΔE 0.076
Use #25171E 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.