#B75B33
Closest named color: Copper (#B66325). oklch(57.5% 0.131 42.9), rgb(183, 91, 51).
Aa
White text reads best on this color (4.60:1).
About this color
#B75B33 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 58%, its chroma 0.131 and its hue 43°. Its hue sits on the warm side of the wheel. The nearest named color is Copper (#B66325), ΔE 0.025 away. White text reads best on it, at 4.60:1.
| Hue family | Browns |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.131) |
| Temperature | warm |
| Nearest name | Copper (#B66325) |
| Black text | 4.55:1 |
| White text | 4.60:1 |
Values
| HEX | #B75B33 |
| RGB | rgb(183, 91, 51) |
| HSL | hsl(18, 56%, 46%) |
| OKLCH | oklch(57.5% 0.131 42.9) |
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 #B75B33 | 4.60:1 | AA | Lc -77.0 | Fine for body text |
| Black text on #B75B33 | 4.55:1 | AA | Lc 32.6 | Non-text elements, placeholder text |
| #B75B33 text on white | 4.60:1 | AA | Lc 71.5 | Content text, not long reading |
| #B75B33 text on black | 4.55:1 | 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
#F4E6E1
oklch(93.5% 0.017 40.8)
-
Step 200
200
#EDD3C8
oklch(88.5% 0.033 44.3)
-
Step 300
300
#E3B5A3
oklch(81% 0.059 42.4)
-
Step 400
400
#D38D71
oklch(70.7% 0.095 42.6)
-
Step 500
500
#C56F4B
oklch(63.1% 0.12 42.9)
-
Step 600
600 (this color)
#B75B33
oklch(57.5% 0.131 42.9)
-
Step 700
700
#984520
oklch(49.2% 0.122 42.7)
-
Step 800
800
#7B391C
oklch(42.6% 0.101 42.8)
-
Step 900
900
#63321D
oklch(37.6% 0.078 43.1)
-
Step 950
950
#3A1E12
oklch(27% 0.049 43.5)
#B75B33 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) | #74682F | 0.122 |
| Deuteranopia (no green cones) | #8B7D31 | 0.112 |
| Tritanopia (no blue cones) | #C84852 | 0.068 |
| Achromatopsia (no color) | #757575 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B75B33
#B75B33
oklch(57.5% 0.131 42.9)
- #0086A7
#0086A7
oklch(57.6% 0.107 223.1)
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 #B75B33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Copper #B66325 ΔE 0.025
- Burnt Siena #B75203 ΔE 0.029
- Rust Orange #C45508 ΔE 0.031
- Burnt Orange #C04E01 ΔE 0.033
- Orangey Brown #B16002 ΔE 0.037
- Brick Orange #C14A09 ΔE 0.037
- Clay #B66A50 ΔE 0.039
- Earth #A2653E ΔE 0.041
Use #B75B33 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.