#B4582D
Closest named color: Burnt Siena (#B75203). oklch(56.5% 0.132 43.9), rgb(180, 88, 45).
Aa
White text reads best on this color (4.80:1).
About this color
#B4582D is a medium-dark, moderately saturated brown. In OKLCH its lightness is 57%, its chroma 0.132 and its hue 44°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Siena (#B75203), ΔE 0.022 away. White text reads best on it, at 4.80:1.
| Hue family | Browns |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.132) |
| Temperature | warm |
| Nearest name | Burnt Siena (#B75203) |
| Black text | 4.37:1 |
| White text | 4.80:1 |
Values
| HEX | #B4582D |
| RGB | rgb(180, 88, 45) |
| HSL | hsl(19, 60%, 44%) |
| OKLCH | oklch(56.5% 0.132 43.9) |
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 #B4582D | 4.80:1 | AA | Lc -78.2 | Fine for body text |
| Black text on #B4582D | 4.37:1 | AA large text | Lc 31.3 | Non-text elements, placeholder text |
| #B4582D text on white | 4.80:1 | AA | Lc 72.8 | Content text, not long reading |
| #B4582D text on black | 4.37:1 | AA large text | Lc -28.9 | 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
#F5E7E1
oklch(93.7% 0.017 44.8)
-
Step 200
200
#EDD3C8
oklch(88.5% 0.033 44.3)
-
Step 300
300
#E3B5A2
oklch(80.9% 0.06 43.6)
-
Step 400
400
#D38D6F
oklch(70.7% 0.096 44)
-
Step 500
500
#C56F49
oklch(63% 0.121 43.9)
-
Step 600
600 (this color)
#B4582D
oklch(56.5% 0.132 43.9)
-
Step 700
700
#98451C
oklch(49.1% 0.123 44.1)
-
Step 800
800
#7B391A
oklch(42.6% 0.102 43.8)
-
Step 900
900
#64321C
oklch(37.8% 0.08 43.5)
-
Step 950
950
#3B1E11
oklch(27.2% 0.051 44.3)
#B4582D 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) | #726628 | 0.122 |
| Deuteranopia (no green cones) | #887A2B | 0.112 |
| Tritanopia (no blue cones) | #C5454F | 0.069 |
| Achromatopsia (no color) | #727272 | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4582D
#B4582D
oklch(56.5% 0.132 43.9)
- #0083A4
#0083A4
oklch(56.6% 0.106 223.6)
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 #B4582D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Siena #B75203 ΔE 0.022
- Copper #B66325 ΔE 0.029
- Burnt Orange #C04E01 ΔE 0.030
- Cinnamon #AC4F06 ΔE 0.033
- Rust Orange #C45508 ΔE 0.033
- Brick Orange #C14A09 ΔE 0.034
- Orangey Brown #B16002 ΔE 0.035
- Raw Umber #A75E09 ΔE 0.039
Use #B4582D 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.