#B0531F
Closest named color: Cinnamon (#AC4F06). oklch(55% 0.137 46.1), rgb(176, 83, 31).
Aa
White text reads best on this color (5.11:1).
About this color
#B0531F is a medium-dark, moderately saturated brown. In OKLCH its lightness is 55%, its chroma 0.137 and its hue 46°. Its hue sits on the warm side of the wheel. The nearest named color is Cinnamon (#AC4F06), ΔE 0.016 away. White text reads best on it, at 5.11:1.
| Hue family | Browns |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.137) |
| Temperature | warm |
| Nearest name | Cinnamon (#AC4F06) |
| Black text | 4.10:1 |
| White text | 5.11:1 |
Values
| HEX | #B0531F |
| RGB | rgb(176, 83, 31) |
| HSL | hsl(22, 70%, 41%) |
| OKLCH | oklch(55% 0.137 46.1) |
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 #B0531F | 5.11:1 | AA | Lc -80.1 | Fine for body text |
| Black text on #B0531F | 4.10:1 | AA large text | Lc 29.4 | Dividers and decoration only |
| #B0531F text on white | 5.11:1 | AA | Lc 74.7 | Content text, not long reading |
| #B0531F text on black | 4.10:1 | AA large text | Lc -27.0 | 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
#F5E7E0
oklch(93.7% 0.018 48.5)
-
Step 200
200
#EDD3C7
oklch(88.5% 0.033 46.4)
-
Step 300
300
#E3B5A0
oklch(80.9% 0.061 45.8)
-
Step 400
400
#D48D6B
oklch(70.7% 0.099 46.3)
-
Step 500
500
#C66F43
oklch(63.1% 0.125 46.4)
-
Step 600
600 (this color)
#B0531F
oklch(55% 0.137 46.1)
-
Step 700
700
#994413
oklch(49.1% 0.128 45.7)
-
Step 800
800
#7C3914
oklch(42.7% 0.105 46.1)
-
Step 900
900
#643218
oklch(37.7% 0.081 46.4)
-
Step 950
950
#3B1E0F
oklch(27.1% 0.052 47)
#B0531F 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) | #6D6117 | 0.126 |
| Deuteranopia (no green cones) | #84761C | 0.114 |
| Tritanopia (no blue cones) | #C13E49 | 0.075 |
| Achromatopsia (no color) | #6E6E6E | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B0531F
#B0531F
oklch(55% 0.137 46.1)
- #007DA0
#007DA0
oklch(54.9% 0.105 226.1)
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 #B0531F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cinnamon #AC4F06 ΔE 0.016
- Burnt Siena #B75203 ΔE 0.016
- Burnt Orange #C04E01 ΔE 0.030
- Sienna #A0522D ΔE 0.032
- Brick Orange #C14A09 ΔE 0.033
- Raw Umber #A75E09 ΔE 0.035
- Orangey Brown #B16002 ΔE 0.036
- Copper #B66325 ΔE 0.040
Use #B0531F 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.