#B75A1B
Closest named color: Burnt Siena (#B75203). oklch(57.2% 0.14 49.4), rgb(183, 90, 27).
Aa
White text reads best on this color (4.67:1).
About this color
#B75A1B is a medium-dark, moderately saturated brown. In OKLCH its lightness is 57%, its chroma 0.140 and its hue 49°. Its hue sits on the warm side of the wheel. The nearest named color is Burnt Siena (#B75203), ΔE 0.017 away. White text reads best on it, at 4.67:1.
| Hue family | Browns |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.140) |
| Temperature | warm |
| Nearest name | Burnt Siena (#B75203) |
| Black text | 4.49:1 |
| White text | 4.67:1 |
Values
| HEX | #B75A1B |
| RGB | rgb(183, 90, 27) |
| HSL | hsl(24, 74%, 41%) |
| OKLCH | oklch(57.2% 0.14 49.4) |
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 #B75A1B | 4.67:1 | AA | Lc -77.4 | Fine for body text |
| Black text on #B75A1B | 4.49:1 | AA large text | Lc 32.2 | Non-text elements, placeholder text |
| #B75A1B text on white | 4.67:1 | AA | Lc 71.9 | Content text, not long reading |
| #B75A1B text on black | 4.49:1 | AA large text | Lc -29.8 | 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
#F5E7DF
oklch(93.7% 0.019 52)
-
Step 200
200
#EDD3C5
oklch(88.5% 0.035 50.2)
-
Step 300
300
#E3B59D
oklch(80.8% 0.063 49)
-
Step 400
400
#D48D67
oklch(70.7% 0.101 48.7)
-
Step 500
500
#C66F3C
oklch(63% 0.128 49.2)
-
Step 600
600 (this color)
#B75A1B
oklch(57.2% 0.14 49.4)
-
Step 700
700
#994502
oklch(49.2% 0.13 49.3)
-
Step 800
800
#7C390A
oklch(42.7% 0.108 49.1)
-
Step 900
900
#643213
oklch(37.7% 0.084 49.4)
-
Step 950
950
#3B1E0D
oklch(27.1% 0.053 49.4)
#B75A1B 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) | #75670F | 0.123 |
| Deuteranopia (no green cones) | #8B7C18 | 0.111 |
| Tritanopia (no blue cones) | #C9454E | 0.082 |
| Achromatopsia (no color) | #747474 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B75A1B
#B75A1B
oklch(57.2% 0.14 49.4)
- #0083AD
#0083AD
oklch(57.1% 0.113 229.7)
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 #B75A1B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Burnt Siena #B75203 ΔE 0.017
- Copper #B66325 ΔE 0.020
- Orangey Brown #B16002 ΔE 0.022
- Rust Orange #C45508 ΔE 0.024
- Burnt Orange #C04E01 ΔE 0.026
- Umber #B26400 ΔE 0.029
- Orange Brown #BE6400 ΔE 0.031
- Raw Umber #A75E09 ΔE 0.033
Use #B75A1B 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.