#B45B38
Closest named color: Copper (#B66325). oklch(57.2% 0.126 41.4), rgb(180, 91, 56).
Aa
White text reads best on this color (4.67:1).
About this color
#B45B38 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 57%, its chroma 0.126 and its hue 41°. Its hue sits on the warm side of the wheel. The nearest named color is Copper (#B66325), ΔE 0.030 away. White text reads best on it, at 4.67:1.
| Hue family | Browns |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.126) |
| Temperature | warm |
| Nearest name | Copper (#B66325) |
| Black text | 4.49:1 |
| White text | 4.67:1 |
Values
| HEX | #B45B38 |
| RGB | rgb(180, 91, 56) |
| HSL | hsl(17, 53%, 46%) |
| OKLCH | oklch(57.2% 0.126 41.4) |
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 #B45B38 | 4.67:1 | AA | Lc -77.5 | Fine for body text |
| Black text on #B45B38 | 4.49:1 | AA large text | Lc 32.1 | Non-text elements, placeholder text |
| #B45B38 text on white | 4.67:1 | AA | Lc 72.0 | Content text, not long reading |
| #B45B38 text on black | 4.49:1 | AA large text | Lc -29.7 | 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
#E2B5A5
oklch(80.9% 0.057 40.5)
-
Step 400
400
#D18E74
oklch(70.7% 0.09 42)
-
Step 500
500
#C37050
oklch(63.1% 0.115 41.6)
-
Step 600
600 (this color)
#B45B38
oklch(57.2% 0.126 41.4)
-
Step 700
700
#964626
oklch(49.1% 0.117 41.4)
-
Step 800
800
#7A3A21
oklch(42.7% 0.097 41.2)
-
Step 900
900
#623220
oklch(37.5% 0.075 40.9)
-
Step 950
950
#3A1E13
oklch(27% 0.048 41.9)
#B45B38 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) | #736834 | 0.118 |
| Deuteranopia (no green cones) | #897C36 | 0.109 |
| Tritanopia (no blue cones) | #C54953 | 0.064 |
| Achromatopsia (no color) | #747474 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B45B38
#B45B38
oklch(57.2% 0.126 41.4)
- #0085A4
#0085A4
oklch(57.2% 0.105 221.8)
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 #B45B38, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Copper #B66325 ΔE 0.030
- Burnt Siena #B75203 ΔE 0.032
- Earth #A2653E ΔE 0.037
- Burnt Orange #C04E01 ΔE 0.038
- Clay #B66A50 ΔE 0.038
- Rust Orange #C45508 ΔE 0.038
- Orangey Brown #B16002 ΔE 0.040
- Brick Orange #C14A09 ΔE 0.041
Use #B45B38 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.