#B05820
Closest named color: Burnt Siena (#B75203). oklch(55.8% 0.133 48.9), rgb(176, 88, 32).
Aa
White text reads best on this color (4.92:1).
About this color
#B05820 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 56%, its chroma 0.133 and its hue 49°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Siena (#B75203), ΔE 0.018 away. White text reads best on it, at 4.92:1.
| Hue family | Browns |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.133) |
| Temperature | warm |
| Nearest name | Burnt Siena (#B75203) |
| Black text | 4.26:1 |
| White text | 4.92:1 |
Values
| HEX | #B05820 |
| RGB | rgb(176, 88, 32) |
| HSL | hsl(23, 69%, 41%) |
| OKLCH | oklch(55.8% 0.133 48.9) |
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 #B05820 | 4.92:1 | AA | Lc -79.0 | Fine for body text |
| Black text on #B05820 | 4.26:1 | AA large text | Lc 30.5 | Non-text elements, placeholder text |
| #B05820 text on white | 4.92:1 | AA | Lc 73.6 | Content text, not long reading |
| #B05820 text on black | 4.26:1 | AA large text | Lc -28.1 | 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
#FAF4F1
oklch(97.1% 0.008 48.7)
-
Step 100
100
#F4E7E0
oklch(93.6% 0.017 50.4)
-
Step 200
200
#ECD3C6
oklch(88.4% 0.033 49.3)
-
Step 300
300
#E2B69F
oklch(81% 0.06 49)
-
Step 400
400
#D18F6B
oklch(70.8% 0.095 49.3)
-
Step 500
500
#C47142
oklch(63.2% 0.122 48.8)
-
Step 600
600 (this color)
#B05820
oklch(55.8% 0.133 48.9)
-
Step 700
700
#964710
oklch(49.1% 0.123 49.3)
-
Step 800
800
#7A3B12
oklch(42.7% 0.102 49.3)
-
Step 900
900
#633317
oklch(37.8% 0.08 48.7)
-
Step 950
950
#3A1E0F
oklch(27% 0.05 47.8)
#B05820 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) | #716417 | 0.117 |
| Deuteranopia (no green cones) | #86781E | 0.106 |
| Tritanopia (no blue cones) | #C1454D | 0.077 |
| Achromatopsia (no color) | #707070 | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B05820
#B05820
oklch(55.8% 0.133 48.9)
- #007FA7
#007FA7
oklch(55.8% 0.11 229.1)
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 #B05820, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Siena #B75203 ΔE 0.018
- Cinnamon #AC4F06 ΔE 0.023
- Orangey Brown #B16002 ΔE 0.026
- Raw Umber #A75E09 ΔE 0.027
- Copper #B66325 ΔE 0.029
- Burnt Orange #C04E01 ΔE 0.033
- Umber #B26400 ΔE 0.036
- Rust Orange #C45508 ΔE 0.037
Use #B05820 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.