#B05A1E
Closest named color: Burnt Siena (#B75203). oklch(56.2% 0.132 50.7), rgb(176, 90, 30).
Aa
White text reads best on this color (4.85:1).
About this color
#B05A1E is a medium-dark, moderately saturated brown. In OKLCH its lightness is 56%, its chroma 0.132 and its hue 51°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Siena (#B75203), ΔE 0.019 away. White text reads best on it, at 4.85:1.
| Hue family | Browns |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.132) |
| Temperature | warm |
| Nearest name | Burnt Siena (#B75203) |
| Black text | 4.32:1 |
| White text | 4.85:1 |
Values
| HEX | #B05A1E |
| RGB | rgb(176, 90, 30) |
| HSL | hsl(25, 71%, 40%) |
| OKLCH | oklch(56.2% 0.132 50.7) |
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 #B05A1E | 4.85:1 | AA | Lc -78.6 | Fine for body text |
| Black text on #B05A1E | 4.32:1 | AA large text | Lc 30.9 | Non-text elements, placeholder text |
| #B05A1E text on white | 4.85:1 | AA | Lc 73.2 | Content text, not long reading |
| #B05A1E text on black | 4.32:1 | AA large text | Lc -28.5 | 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
#ECD4C6
oklch(88.6% 0.033 52.3)
-
Step 300
300
#E1B69F
oklch(80.9% 0.059 49.6)
-
Step 400
400
#D08F69
oklch(70.6% 0.095 51)
-
Step 500
500
#C37240
oklch(63.2% 0.121 50.7)
-
Step 600
600 (this color)
#B05A1E
oklch(56.2% 0.132 50.7)
-
Step 700
700
#95480C
oklch(49.1% 0.122 51.1)
-
Step 800
800
#793B10
oklch(42.6% 0.101 50.3)
-
Step 900
900
#623416
oklch(37.8% 0.079 51.2)
-
Step 950
950
#3A1F0E
oklch(27.2% 0.05 51.4)
#B05A1E 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) | #736514 | 0.113 |
| Deuteranopia (no green cones) | #88791C | 0.102 |
| Tritanopia (no blue cones) | #C1474E | 0.079 |
| Achromatopsia (no color) | #717171 | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B05A1E
#B05A1E
oklch(56.2% 0.132 50.7)
- #0080AB
#0080AB
oklch(56.2% 0.113 230.8)
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 #B05A1E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Siena #B75203 ΔE 0.019
- Orangey Brown #B16002 ΔE 0.021
- Raw Umber #A75E09 ΔE 0.023
- Copper #B66325 ΔE 0.025
- Cinnamon #AC4F06 ΔE 0.027
- Umber #B26400 ΔE 0.030
- Burnt Orange #C04E01 ΔE 0.035
- Earth #A2653E ΔE 0.037
Use #B05A1E 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.