#B75D39
Closest named color: Copper (#B66325). oklch(57.9% 0.127 41.7), rgb(183, 93, 57).
Aa
Black text reads best on this color (4.63:1).
About this color
#B75D39 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 58%, its chroma 0.127 and its hue 42°. Its hue sits on the warm side of the wheel. The nearest named color is Copper (#B66325), ΔE 0.026 away. Black text reads best on it, at 4.63:1.
| Hue family | Browns |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.127) |
| Temperature | warm |
| Nearest name | Copper (#B66325) |
| Black text | 4.63:1 |
| White text | 4.52:1 |
Values
| HEX | #B75D39 |
| RGB | rgb(183, 93, 57) |
| HSL | hsl(17, 53%, 47%) |
| OKLCH | oklch(57.9% 0.127 41.7) |
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 #B75D39 | 4.52:1 | AA | Lc -76.5 | Fine for body text |
| Black text on #B75D39 | 4.63:1 | AA | Lc 33.1 | Non-text elements, placeholder text |
| #B75D39 text on white | 4.52:1 | AA | Lc 71.0 | Content text, not long reading |
| #B75D39 text on black | 4.63:1 | AA | Lc -30.7 | 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
#F4E7E1
oklch(93.7% 0.016 46.6)
-
Step 200
200
#EDD3C9
oklch(88.6% 0.032 42.2)
-
Step 300
300
#E2B5A4
oklch(80.9% 0.058 41.7)
-
Step 400
400
#D28D73
oklch(70.7% 0.092 41.4)
-
Step 500
500
#C4704F
oklch(63.2% 0.116 41.9)
-
Step 600
600 (this color)
#B75D39
oklch(57.9% 0.127 41.7)
-
Step 700
700
#964625
oklch(49.1% 0.117 41.8)
-
Step 800
800
#7A3A20
oklch(42.7% 0.097 41.8)
-
Step 900
900
#63321F
oklch(37.7% 0.077 41.4)
-
Step 950
950
#3A1E13
oklch(27% 0.048 41.9)
#B75D39 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) | #756A35 | 0.120 |
| Deuteranopia (no green cones) | #8B7E37 | 0.110 |
| Tritanopia (no blue cones) | #C84B55 | 0.065 |
| Achromatopsia (no color) | #767676 | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B75D39
#B75D39
oklch(57.9% 0.127 41.7)
- #0087A7
#0087A7
oklch(57.8% 0.107 222.2)
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 #B75D39, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Copper #B66325 ΔE 0.026
- Clay #B66A50 ΔE 0.033
- Burnt Siena #B75203 ΔE 0.035
- Rust Orange #C45508 ΔE 0.035
- Adobe #BD6C48 ΔE 0.038
- Burnt Orange #C04E01 ΔE 0.038
- Terra Cotta #C9643B ΔE 0.039
- Earth #A2653E ΔE 0.040
Use #B75D39 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.