#B45A38
Closest named color: Copper (#B66325). oklch(57% 0.126 40.8), rgb(180, 90, 56).
Aa
White text reads best on this color (4.70:1).
About this color
#B45A38 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 0.032 away. White text reads best on it, at 4.70:1.
| Hue family | Browns |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.126) |
| Temperature | warm |
| Nearest name | Copper (#B66325) |
| Black text | 4.46:1 |
| White text | 4.70:1 |
Values
| HEX | #B45A38 |
| RGB | rgb(180, 90, 56) |
| HSL | hsl(16, 53%, 46%) |
| OKLCH | oklch(57% 0.126 40.8) |
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 #B45A38 | 4.70:1 | AA | Lc -77.7 | Fine for body text |
| Black text on #B45A38 | 4.46:1 | AA large text | Lc 31.9 | Non-text elements, placeholder text |
| #B45A38 text on white | 4.70:1 | AA | Lc 72.2 | Content text, not long reading |
| #B45A38 text on black | 4.46:1 | AA large text | Lc -29.5 | 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
#EDD3CA
oklch(88.6% 0.032 40.1)
-
Step 300
300
#E2B5A5
oklch(80.9% 0.057 40.5)
-
Step 400
400
#D28D74
oklch(70.7% 0.092 40.7)
-
Step 500
500
#C46F50
oklch(63% 0.117 40.6)
-
Step 600
600 (this color)
#B45A38
oklch(57% 0.126 40.8)
-
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
#633220
oklch(37.7% 0.076 40.6)
-
Step 950
950
#3A1E13
oklch(27% 0.048 41.9)
#B45A38 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) | #726734 | 0.120 |
| Deuteranopia (no green cones) | #887B36 | 0.110 |
| Tritanopia (no blue cones) | #C54852 | 0.063 |
| Achromatopsia (no color) | #737373 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B45A38
#B45A38
oklch(57% 0.126 40.8)
- #0085A2
#0085A2
oklch(57.1% 0.104 220.3)
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 #B45A38, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Copper #B66325 ΔE 0.032
- Burnt Siena #B75203 ΔE 0.032
- Burnt Orange #C04E01 ΔE 0.037
- Earth #A2653E ΔE 0.038
- Rust Orange #C45508 ΔE 0.038
- Clay #B66A50 ΔE 0.040
- Brick Orange #C14A09 ΔE 0.040
- Cinnamon #AC4F06 ΔE 0.041
Use #B45A38 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.