#251815
Closest named color: Dark Brown (#341C02). oklch(22.5% 0.022 33.4), rgb(37, 24, 21).
Aa
White text reads best on this color (17.21:1).
About this color
#251815 is a very dark close to neutral grey. In OKLCH its lightness is 22%, its chroma 0.022. It has too little chroma to lean warm or cool. The nearest named color is Dark Brown (#341C02), ΔE 0.047 away. White text reads best on it, at 17.21:1.
| Hue family | Neutrals |
| Lightness | very dark (22%) |
| Chroma | close to neutral grey (0.022) |
| Temperature | neutral |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.22:1 |
| White text | 17.21:1 |
Values
| HEX | #251815 |
| RGB | rgb(37, 24, 21) |
| HSL | hsl(11, 28%, 11%) |
| OKLCH | oklch(22.5% 0.022 33.4) |
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 #251815 | 17.21:1 | AAA | Lc -106.4 | Preferred for body text |
| Black text on #251815 | 1.22:1 | Fails | Lc 0.0 | Not readable |
| #251815 text on white | 17.21:1 | AAA | Lc 104.1 | Preferred for body text |
| #251815 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
#F8F5F4
oklch(97.2% 0.003 39.5)
-
Step 100
100
#EFE8E7
oklch(93.6% 0.008 27.2)
-
Step 200
200
#E2D6D3
oklch(88.5% 0.014 34.3)
-
Step 300
300
#D1BBB6
oklch(80.9% 0.026 32.9)
-
Step 400
400
#B99890
oklch(70.7% 0.041 33.9)
-
Step 500
500
#A77E75
oklch(63.1% 0.053 32.6)
-
Step 600
600
#92675D
oklch(55.6% 0.058 33.5)
-
Step 700
700
#7C564D
oklch(49.1% 0.053 33.8)
-
Step 800
800
#65463F
oklch(42.6% 0.045 33.1)
-
Step 900
900
#523B36
oklch(37.7% 0.034 32.5)
-
Step 950
950 (this color)
#251815
oklch(22.5% 0.022 33.4)
#251815 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) | #1B1A15 | 0.021 |
| Deuteranopia (no green cones) | #1E1C15 | 0.019 |
| Tritanopia (no blue cones) | #281617 | 0.011 |
| Achromatopsia (no color) | #1B1B1B | 0.022 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #251815
#251815
oklch(22.5% 0.022 33.4)
- #0F1E22
#0F1E22
oklch(22.3% 0.022 216.6)
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 #251815, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.047
- Jet #212529 ΔE 0.048
- Rich Black #0D1B2A ΔE 0.055
- Dark #1B2431 ΔE 0.057
- Chocolate Brown #411900 ΔE 0.068
- Dark Maroon #3C0008 ΔE 0.069
- Deep Brown #410200 ΔE 0.074
- Oxford Blue #1B263B ΔE 0.074
Use #251815 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.