#B4572B
Closest named color: Burnt Siena (#B75203). oklch(56.4% 0.134 44), rgb(180, 87, 43).
Aa
White text reads best on this color (4.84:1).
About this color
#B4572B is a medium-dark, moderately saturated brown. In OKLCH its lightness is 56%, its chroma 0.134 and its hue 44°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Siena (#B75203), ΔE 0.020 away. White text reads best on it, at 4.84:1.
| Hue family | Browns |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.134) |
| Temperature | warm |
| Nearest name | Burnt Siena (#B75203) |
| Black text | 4.33:1 |
| White text | 4.84:1 |
Values
| HEX | #B4572B |
| RGB | rgb(180, 87, 43) |
| HSL | hsl(19, 61%, 44%) |
| OKLCH | oklch(56.4% 0.134 44) |
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 #B4572B | 4.84:1 | AA | Lc -78.5 | Fine for body text |
| Black text on #B4572B | 4.33:1 | AA large text | Lc 31.0 | Non-text elements, placeholder text |
| #B4572B text on white | 4.84:1 | AA | Lc 73.0 | Content text, not long reading |
| #B4572B text on black | 4.33:1 | AA large text | Lc -28.7 | 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
#F5E6E1
oklch(93.5% 0.018 39.4)
-
Step 200
200
#EDD3C8
oklch(88.5% 0.033 44.3)
-
Step 300
300
#E3B5A1
oklch(80.9% 0.06 44.7)
-
Step 400
400
#D38D6F
oklch(70.7% 0.096 44)
-
Step 500
500
#C66F48
oklch(63.2% 0.123 44.1)
-
Step 600
600 (this color)
#B4572B
oklch(56.4% 0.134 44)
-
Step 700
700
#98441B
oklch(49% 0.124 43.8)
-
Step 800
800
#7C3919
oklch(42.8% 0.103 44)
-
Step 900
900
#64321B
oklch(37.8% 0.08 44.2)
-
Step 950
950
#3B1E11
oklch(27.2% 0.051 44.3)
#B4572B 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) | #716526 | 0.124 |
| Deuteranopia (no green cones) | #877A29 | 0.115 |
| Tritanopia (no blue cones) | #C5434E | 0.071 |
| Achromatopsia (no color) | #727272 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4572B
#B4572B
oklch(56.4% 0.134 44)
- #0082A3
#0082A3
oklch(56.3% 0.106 223.8)
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 #B4572B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Siena #B75203 ΔE 0.020
- Burnt Orange #C04E01 ΔE 0.029
- Cinnamon #AC4F06 ΔE 0.031
- Copper #B66325 ΔE 0.031
- Brick Orange #C14A09 ΔE 0.032
- Rust Orange #C45508 ΔE 0.033
- Orangey Brown #B16002 ΔE 0.035
- Raw Umber #A75E09 ΔE 0.039
Use #B4572B 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.