#251603
Closest named color: Dark Brown (#341C02). oklch(21.5% 0.04 71.6), rgb(37, 22, 3).
Aa
White text reads best on this color (17.57:1).
About this color
#251603 is a very dark, muted brown. In OKLCH its lightness is 22%, its chroma 0.040 and its hue 72°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.041 away. White text reads best on it, at 17.57:1.
| Hue family | Browns |
| Lightness | very dark (22%) |
| Chroma | muted (0.040) |
| Temperature | warm |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.19:1 |
| White text | 17.57:1 |
Values
| HEX | #251603 |
| RGB | rgb(37, 22, 3) |
| HSL | hsl(34, 85%, 8%) |
| OKLCH | oklch(21.5% 0.04 71.6) |
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 #251603 | 17.57:1 | AAA | Lc -106.6 | Preferred for body text |
| Black text on #251603 | 1.19:1 | Fails | Lc 0.0 | Not readable |
| #251603 text on white | 17.57:1 | AAA | Lc 104.3 | Preferred for body text |
| #251603 text on black | 1.19:1 | 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
#F8F5F1
oklch(97.1% 0.006 75.4)
-
Step 100
100
#F0E9E0
oklch(93.7% 0.014 74.4)
-
Step 200
200
#E5D7C7
oklch(88.6% 0.027 71.2)
-
Step 300
300
#D5BC9F
oklch(80.9% 0.049 71.2)
-
Step 400
400
#BF996B
oklch(70.7% 0.077 71.4)
-
Step 500
500
#AE7F42
oklch(63.1% 0.097 71.6)
-
Step 600
600
#9A681F
oklch(55.8% 0.107 71.7)
-
Step 700
700
#835610
oklch(49.1% 0.099 71.8)
-
Step 800
800
#6B4612
oklch(42.7% 0.082 70.6)
-
Step 900
900
#573B17
oklch(37.7% 0.064 70.3)
-
Step 950
950 (this color)
#251603
oklch(21.5% 0.04 71.6)
#251603 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) | #1B1702 | 0.023 |
| Deuteranopia (no green cones) | #1F1A03 | 0.018 |
| Tritanopia (no blue cones) | #291212 | 0.034 |
| Achromatopsia (no color) | #191919 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #251603
#251603
oklch(21.5% 0.04 71.6)
- #0A1A2C
#0A1A2C
oklch(21.4% 0.042 252.8)
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 #251603, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.041
- Chocolate Brown #411900 ΔE 0.066
- Jet #212529 ΔE 0.068
- Very Dark Brown #1D0200 ΔE 0.072
- Deep Brown #410200 ΔE 0.073
- Dark Maroon #3C0008 ΔE 0.073
- Rich Black #0D1B2A ΔE 0.076
- Almost Black #070D0D ΔE 0.079
Use #251603 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.