#B45F1F
Closest named color: Copper (#B66325). oklch(57.6% 0.132 52.6), rgb(180, 95, 31).
Aa
Black text reads best on this color (4.59:1).
About this color
#B45F1F is a medium-dark, moderately saturated brown. In OKLCH its lightness is 58%, its chroma 0.132 and its hue 53°. Its hue sits on the warm side of the wheel. The nearest named color is Copper (#B66325), ΔE 0.010 away. Black text reads best on it, at 4.59:1.
| Hue family | Browns |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.132) |
| Temperature | warm |
| Nearest name | Copper (#B66325) |
| Black text | 4.59:1 |
| White text | 4.56:1 |
Values
| HEX | #B45F1F |
| RGB | rgb(180, 95, 31) |
| HSL | hsl(26, 71%, 41%) |
| OKLCH | oklch(57.6% 0.132 52.6) |
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 #B45F1F | 4.56:1 | AA | Lc -76.7 | Fine for body text |
| Black text on #B45F1F | 4.59:1 | AA | Lc 32.8 | Non-text elements, placeholder text |
| #B45F1F text on white | 4.56:1 | AA | Lc 71.3 | Content text, not long reading |
| #B45F1F text on black | 4.59:1 | AA | Lc -30.4 | 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
#FAF4F1
oklch(97.1% 0.008 48.7)
-
Step 100
100
#F4E7E0
oklch(93.6% 0.017 50.4)
-
Step 200
200
#ECD4C6
oklch(88.6% 0.033 52.3)
-
Step 300
300
#E0B79E
oklch(80.9% 0.059 53)
-
Step 400
400
#D09068
oklch(70.8% 0.095 52.6)
-
Step 500
500
#C2723D
oklch(63% 0.122 52.2)
-
Step 600
600 (this color)
#B45F1F
oklch(57.6% 0.132 52.6)
-
Step 700
700
#954905
oklch(49.2% 0.123 52.9)
-
Step 800
800
#793C0C
oklch(42.7% 0.102 52.4)
-
Step 900
900
#623414
oklch(37.8% 0.08 52.4)
-
Step 950
950
#391F0D
oklch(27% 0.05 53.6)
#B45F1F 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) | #786A14 | 0.111 |
| Deuteranopia (no green cones) | #8C7D1E | 0.100 |
| Tritanopia (no blue cones) | #C64C53 | 0.084 |
| Achromatopsia (no color) | #767676 | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B45F1F
#B45F1F
oklch(57.6% 0.132 52.6)
- #0084B3
#0084B3
oklch(57.6% 0.118 232.5)
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 #B45F1F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Copper #B66325 ΔE 0.010
- Orangey Brown #B16002 ΔE 0.015
- Umber #B26400 ΔE 0.020
- Orange Brown #BE6400 ΔE 0.027
- Burnt Siena #B75203 ΔE 0.027
- Raw Umber #A75E09 ΔE 0.028
- Brown Orange #B96902 ΔE 0.031
- Rust Orange #C45508 ΔE 0.033
Use #B45F1F 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.