#B25F33
Closest named color: Copper (#B66325). oklch(57.5% 0.122 46.8), rgb(178, 95, 51).
Aa
White text reads best on this color (4.58:1).
About this color
#B25F33 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 57%, its chroma 0.122 and its hue 47°. Its hue sits on the warm side of the wheel. The nearest named color is Copper (#B66325), ΔE 0.019 away. White text reads best on it, at 4.58:1.
| Hue family | Browns |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.122) |
| Temperature | warm |
| Nearest name | Copper (#B66325) |
| Black text | 4.57:1 |
| White text | 4.58:1 |
Values
| HEX | #B25F33 |
| RGB | rgb(178, 95, 51) |
| HSL | hsl(21, 55%, 45%) |
| OKLCH | oklch(57.5% 0.122 46.8) |
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 #B25F33 | 4.58:1 | AA | Lc -76.9 | Fine for body text |
| Black text on #B25F33 | 4.57:1 | AA | Lc 32.6 | Non-text elements, placeholder text |
| #B25F33 text on white | 4.58:1 | AA | Lc 71.5 | Content text, not long reading |
| #B25F33 text on black | 4.57:1 | AA | Lc -30.2 | Non-text elements, placeholder text |
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 600.
-
Step 50
50
#FAF4F1
oklch(97.1% 0.008 48.7)
-
Step 100
100
#F3E7E1
oklch(93.6% 0.015 48.6)
-
Step 200
200
#EBD4C8
oklch(88.6% 0.03 49.4)
-
Step 300
300
#E0B6A3
oklch(80.9% 0.056 45.6)
-
Step 400
400
#CF9071
oklch(70.8% 0.088 47.1)
-
Step 500
500
#C0734B
oklch(63.1% 0.112 47.4)
-
Step 600
600 (this color)
#B25F33
oklch(57.5% 0.122 46.8)
-
Step 700
700
#934920
oklch(49.1% 0.113 46.9)
-
Step 800
800
#783C1C
oklch(42.7% 0.095 46.6)
-
Step 900
900
#61341D
oklch(37.7% 0.074 46.6)
-
Step 950
950
#391F12
oklch(27.1% 0.046 46.7)
#B25F33 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) | #766A2E | 0.109 |
| Deuteranopia (no green cones) | #8A7C32 | 0.099 |
| Tritanopia (no blue cones) | #C34E55 | 0.070 |
| Achromatopsia (no color) | #757575 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B25F33
#B25F33
oklch(57.5% 0.122 46.8)
- #0085AB
#0085AB
oklch(57.5% 0.111 226.7)
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 #B25F33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Copper #B66325 ΔE 0.019
- Orangey Brown #B16002 ΔE 0.030
- Earth #A2653E ΔE 0.030
- Burnt Siena #B75203 ΔE 0.033
- Umber #B26400 ΔE 0.034
- Raw Umber #A75E09 ΔE 0.036
- Clay #B66A50 ΔE 0.036
- Rust Orange #C45508 ΔE 0.039
Use #B25F33 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.