#B45C38
Closest named color: Copper (#B66325). oklch(57.3% 0.125 42.1), rgb(180, 92, 56).
Aa
White text reads best on this color (4.63:1).
About this color
#B45C38 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 57%, its chroma 0.125 and its hue 42°. Its hue sits on the warm side of the wheel. The nearest named color is Copper (#B66325), ΔE 0.028 away. White text reads best on it, at 4.63:1.
| Hue family | Browns |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.125) |
| Temperature | warm |
| Nearest name | Copper (#B66325) |
| Black text | 4.52:1 |
| White text | 4.63:1 |
Values
| HEX | #B45C38 |
| RGB | rgb(180, 92, 56) |
| HSL | hsl(17, 53%, 46%) |
| OKLCH | oklch(57.3% 0.125 42.1) |
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 #B45C38 | 4.63:1 | AA | Lc -77.2 | Fine for body text |
| Black text on #B45C38 | 4.52:1 | AA | Lc 32.3 | Non-text elements, placeholder text |
| #B45C38 text on white | 4.63:1 | AA | Lc 71.8 | Content text, not long reading |
| #B45C38 text on black | 4.52:1 | AA | Lc -29.9 | Dividers and decoration only |
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
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F4E7E2
oklch(93.7% 0.016 42.4)
-
Step 200
200
#ECD3C9
oklch(88.5% 0.031 43.1)
-
Step 300
300
#E1B5A5
oklch(80.8% 0.056 40.9)
-
Step 400
400
#D18E74
oklch(70.7% 0.09 42)
-
Step 500
500
#C3704F
oklch(63% 0.115 42.1)
-
Step 600
600 (this color)
#B45C38
oklch(57.3% 0.125 42.1)
-
Step 700
700
#964725
oklch(49.2% 0.116 42.5)
-
Step 800
800
#793A20
oklch(42.5% 0.096 42.1)
-
Step 900
900
#623320
oklch(37.7% 0.074 42.2)
-
Step 950
950
#3A1E13
oklch(27% 0.048 41.9)
#B45C38 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) | #746934 | 0.117 |
| Deuteranopia (no green cones) | #897C36 | 0.107 |
| Tritanopia (no blue cones) | #C54B54 | 0.064 |
| Achromatopsia (no color) | #757575 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B45C38
#B45C38
oklch(57.3% 0.125 42.1)
- #0085A5
#0085A5
oklch(57.2% 0.106 222.6)
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 #B45C38, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Copper #B66325 ΔE 0.028
- Burnt Siena #B75203 ΔE 0.033
- Earth #A2653E ΔE 0.036
- Clay #B66A50 ΔE 0.036
- Rust Orange #C45508 ΔE 0.038
- Orangey Brown #B16002 ΔE 0.039
- Burnt Orange #C04E01 ΔE 0.039
- Brick Orange #C14A09 ΔE 0.042
Use #B45C38 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.