#B75B2C
Closest named color: Copper (#B66325). oklch(57.5% 0.133 45.4), rgb(183, 91, 44).
Aa
White text reads best on this color (4.61:1).
About this color
#B75B2C is a medium-dark, moderately saturated brown. In OKLCH its lightness is 57%, its chroma 0.133 and its hue 45°. Its hue sits on the warm side of the wheel. The nearest named color is Copper (#B66325), ΔE 0.021 away. White text reads best on it, at 4.61:1.
| Hue family | Browns |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.133) |
| Temperature | warm |
| Nearest name | Copper (#B66325) |
| Black text | 4.54:1 |
| White text | 4.61:1 |
Values
| HEX | #B75B2C |
| RGB | rgb(183, 91, 44) |
| HSL | hsl(20, 61%, 45%) |
| OKLCH | oklch(57.5% 0.133 45.4) |
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 #B75B2C | 4.61:1 | AA | Lc -77.0 | Fine for body text |
| Black text on #B75B2C | 4.54:1 | AA | Lc 32.5 | Non-text elements, placeholder text |
| #B75B2C text on white | 4.61:1 | AA | Lc 71.6 | Content text, not long reading |
| #B75B2C text on black | 4.54:1 | AA | Lc -30.1 | 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
#F4E7E0
oklch(93.6% 0.017 50.4)
-
Step 200
200
#EDD3C7
oklch(88.5% 0.033 46.4)
-
Step 300
300
#E3B5A1
oklch(80.9% 0.06 44.7)
-
Step 400
400
#D38D6D
oklch(70.7% 0.097 45.3)
-
Step 500
500
#C56F46
oklch(63% 0.122 45.3)
-
Step 600
600 (this color)
#B75B2C
oklch(57.5% 0.133 45.4)
-
Step 700
700
#984518
oklch(49.1% 0.124 45.3)
-
Step 800
800
#7B3917
oklch(42.6% 0.103 45.2)
-
Step 900
900
#64321A
oklch(37.8% 0.08 45)
-
Step 950
950
#3B1E10
oklch(27.1% 0.051 45.7)
#B75B2C 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) | #756826 | 0.121 |
| Deuteranopia (no green cones) | #8B7D2A | 0.112 |
| Tritanopia (no blue cones) | #C94851 | 0.073 |
| Achromatopsia (no color) | #757575 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B75B2C
#B75B2C
oklch(57.5% 0.133 45.4)
- #0085A9
#0085A9
oklch(57.4% 0.109 225.4)
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 #B75B2C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Copper #B66325 ΔE 0.021
- Burnt Siena #B75203 ΔE 0.024
- Rust Orange #C45508 ΔE 0.028
- Burnt Orange #C04E01 ΔE 0.030
- Orangey Brown #B16002 ΔE 0.031
- Brick Orange #C14A09 ΔE 0.035
- Umber #B26400 ΔE 0.037
- Orange Brown #BE6400 ΔE 0.037
Use #B75B2C 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.