#B45F3D
Closest named color: Copper (#B66325). oklch(57.9% 0.12 41.9), rgb(180, 95, 61).
Aa
Black text reads best on this color (4.64:1).
About this color
#B45F3D is a medium-dark, moderately saturated brown. In OKLCH its lightness is 58%, its chroma 0.120 and its hue 42°. Its hue sits on the warm side of the wheel. The nearest named color is Copper (#B66325), ΔE 0.027 away. Black text reads best on it, at 4.64:1.
| Hue family | Browns |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.120) |
| Temperature | warm |
| Nearest name | Copper (#B66325) |
| Black text | 4.64:1 |
| White text | 4.52:1 |
Values
| HEX | #B45F3D |
| RGB | rgb(180, 95, 61) |
| HSL | hsl(17, 49%, 47%) |
| OKLCH | oklch(57.9% 0.12 41.9) |
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 #B45F3D | 4.52:1 | AA | Lc -76.5 | Fine for body text |
| Black text on #B45F3D | 4.64:1 | AA | Lc 33.1 | Non-text elements, placeholder text |
| #B45F3D text on white | 4.52:1 | AA | Lc 71.0 | Content text, not long reading |
| #B45F3D text on black | 4.64:1 | 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
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F4E7E2
oklch(93.7% 0.016 42.4)
-
Step 200
200
#ECD3CA
oklch(88.5% 0.031 40.9)
-
Step 300
300
#E0B6A6
oklch(80.9% 0.054 41.9)
-
Step 400
400
#CF8F76
oklch(70.7% 0.086 42.2)
-
Step 500
500
#C17152
oklch(63% 0.111 41.7)
-
Step 600
600 (this color)
#B45F3D
oklch(57.9% 0.12 41.9)
-
Step 700
700
#944829
oklch(49.2% 0.112 41.9)
-
Step 800
800
#783B23
oklch(42.6% 0.093 41.5)
-
Step 900
900
#613321
oklch(37.6% 0.072 41.7)
-
Step 950
950
#391E14
oklch(26.9% 0.046 40.9)
#B45F3D 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) | #766B3A | 0.112 |
| Deuteranopia (no green cones) | #8A7E3C | 0.104 |
| Tritanopia (no blue cones) | #C54F57 | 0.062 |
| Achromatopsia (no color) | #767676 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B45F3D
#B45F3D
oklch(57.9% 0.12 41.9)
- #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 #B45F3D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Copper #B66325 ΔE 0.027
- Clay #B66A50 ΔE 0.029
- Earth #A2653E ΔE 0.034
- Adobe #BD6C48 ΔE 0.036
- Burnt Siena #B75203 ΔE 0.039
- Orangey Brown #B16002 ΔE 0.041
- Rust Orange #C45508 ΔE 0.041
- Terra Cotta #C9643B ΔE 0.042
Use #B45F3D 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.