#B9551D
Closest named color: Burnt Siena (#B75203). oklch(56.7% 0.145 45.6), rgb(185, 85, 29).
Aa
White text reads best on this color (4.79:1).
About this color
#B9551D is a medium-dark, vivid orange. In OKLCH its lightness is 57%, its chroma 0.145 and its hue 46°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Siena (#B75203), ΔE 0.012 away. White text reads best on it, at 4.79:1.
| Hue family | Oranges |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.145) |
| Temperature | warm |
| Nearest name | Burnt Siena (#B75203) |
| Black text | 4.37:1 |
| White text | 4.79:1 |
Values
| HEX | #B9551D |
| RGB | rgb(185, 85, 29) |
| HSL | hsl(22, 73%, 42%) |
| OKLCH | oklch(56.7% 0.145 45.6) |
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 #B9551D | 4.79:1 | AA | Lc -78.1 | Fine for body text |
| Black text on #B9551D | 4.37:1 | AA large text | Lc 31.4 | Non-text elements, placeholder text |
| #B9551D text on white | 4.79:1 | AA | Lc 72.6 | Content text, not long reading |
| #B9551D text on black | 4.37:1 | AA large text | Lc -29.1 | 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
#FBF4F1
oklch(97.2% 0.009 44.9)
-
Step 100
100
#F5E6E0
oklch(93.5% 0.018 43.2)
-
Step 200
200
#EFD2C6
oklch(88.5% 0.037 43.8)
-
Step 300
300
#E5B49E
oklch(80.9% 0.065 45.4)
-
Step 400
400
#D78B68
oklch(70.7% 0.105 45.3)
-
Step 500
500
#CA6C3E
oklch(63.1% 0.134 45.4)
-
Step 600
600 (this color)
#B9551D
oklch(56.7% 0.145 45.6)
-
Step 700
700
#9C4208
oklch(49.2% 0.135 45.8)
-
Step 800
800
#7F370D
oklch(42.8% 0.112 45.8)
-
Step 900
900
#663014
oklch(37.6% 0.087 45.7)
-
Step 950
950
#3C1D0D
oklch(27% 0.055 46.6)
#B9551D 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) | #726413 | 0.133 |
| Deuteranopia (no green cones) | #8A7B1A | 0.121 |
| Tritanopia (no blue cones) | #CB3E4A | 0.078 |
| Achromatopsia (no color) | #727272 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B9551D
#B9551D
oklch(56.7% 0.145 45.6)
- #0083A6
#0083A6
oklch(56.7% 0.108 225)
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 #B9551D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Siena #B75203 ΔE 0.012
- Burnt Orange #C04E01 ΔE 0.018
- Rust Orange #C45508 ΔE 0.022
- Brick Orange #C14A09 ΔE 0.023
- Copper #B66325 ΔE 0.030
- Cinnamon #AC4F06 ΔE 0.032
- Orangey Brown #B16002 ΔE 0.033
- Orange Brown #BE6400 ΔE 0.041
Use #B9551D 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.