#B45C1D
Closest named color: Copper (#B66325). oklch(57.1% 0.135 51.1), rgb(180, 92, 29).
Aa
White text reads best on this color (4.67:1).
About this color
#B45C1D is a medium-dark, moderately saturated brown. In OKLCH its lightness is 57%, its chroma 0.135 and its hue 51°. Its hue sits on the warm side of the wheel. The nearest named color is Copper (#B66325), ΔE 0.017 away. White text reads best on it, at 4.67:1.
| Hue family | Browns |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.135) |
| Temperature | warm |
| Nearest name | Copper (#B66325) |
| Black text | 4.48:1 |
| White text | 4.67:1 |
Values
| HEX | #B45C1D |
| RGB | rgb(180, 92, 29) |
| HSL | hsl(25, 72%, 41%) |
| OKLCH | oklch(57.1% 0.135 51.1) |
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 #B45C1D | 4.67:1 | AA | Lc -77.4 | Fine for body text |
| Black text on #B45C1D | 4.48:1 | AA large text | Lc 32.1 | Non-text elements, placeholder text |
| #B45C1D text on white | 4.67:1 | AA | Lc 72.0 | Content text, not long reading |
| #B45C1D text on black | 4.48:1 | 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
#FAF4F1
oklch(97.1% 0.008 48.7)
-
Step 100
100
#F4E7E0
oklch(93.6% 0.017 50.4)
-
Step 200
200
#ECD3C6
oklch(88.4% 0.033 49.3)
-
Step 300
300
#E1B69E
oklch(80.8% 0.06 50.7)
-
Step 400
400
#D18F68
oklch(70.7% 0.097 51.2)
-
Step 500
500
#C4713D
oklch(63.1% 0.124 50.8)
-
Step 600
600 (this color)
#B45C1D
oklch(57.1% 0.135 51.1)
-
Step 700
700
#964705
oklch(49% 0.125 51.1)
-
Step 800
800
#7A3B0C
oklch(42.7% 0.104 51.1)
-
Step 900
900
#633314
oklch(37.7% 0.081 50.6)
-
Step 950
950
#3A1E0D
oklch(26.9% 0.052 50.3)
#B45C1D 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) | #766812 | 0.115 |
| Deuteranopia (no green cones) | #8B7C1B | 0.105 |
| Tritanopia (no blue cones) | #C64850 | 0.083 |
| Achromatopsia (no color) | #747474 | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B45C1D
#B45C1D
oklch(57.1% 0.135 51.1)
- #0083AF
#0083AF
oklch(57.2% 0.115 230.9)
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 #B45C1D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Copper #B66325 ΔE 0.017
- Orangey Brown #B16002 ΔE 0.018
- Burnt Siena #B75203 ΔE 0.021
- Umber #B26400 ΔE 0.025
- Raw Umber #A75E09 ΔE 0.028
- Rust Orange #C45508 ΔE 0.030
- Orange Brown #BE6400 ΔE 0.031
- Burnt Orange #C04E01 ΔE 0.032
Use #B45C1D 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.