#B75237
Closest named color: Brick Orange (#C14A09). oklch(56.2% 0.138 36), rgb(183, 82, 55).
Aa
White text reads best on this color (4.91:1).
About this color
#B75237 is a medium-dark, moderately saturated red. In OKLCH its lightness is 56%, its chroma 0.138 and its hue 36°. Its hue sits on the warm side of the wheel. The nearest named color is Brick Orange (#C14A09), ΔE 0.032 away. White text reads best on it, at 4.91:1.
| Hue family | Reds |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.138) |
| Temperature | warm |
| Nearest name | Brick Orange (#C14A09) |
| Black text | 4.27:1 |
| White text | 4.91:1 |
Values
| HEX | #B75237 |
| RGB | rgb(183, 82, 55) |
| HSL | hsl(13, 54%, 47%) |
| OKLCH | oklch(56.2% 0.138 36) |
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 #B75237 | 4.91:1 | AA | Lc -78.8 | Fine for body text |
| Black text on #B75237 | 4.27:1 | AA large text | Lc 30.7 | Non-text elements, placeholder text |
| #B75237 text on white | 4.91:1 | AA | Lc 73.4 | Content text, not long reading |
| #B75237 text on black | 4.27:1 | AA large text | Lc -28.3 | 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
#FBF4F2
oklch(97.2% 0.008 36.6)
-
Step 100
100
#F5E6E2
oklch(93.6% 0.017 35.3)
-
Step 200
200
#EFD2CA
oklch(88.6% 0.034 35.9)
-
Step 300
300
#E5B3A5
oklch(80.8% 0.062 36.2)
-
Step 400
400
#D68A75
oklch(70.6% 0.099 36.2)
-
Step 500
500
#CA6B51
oklch(63.2% 0.127 36.2)
-
Step 600
600 (this color)
#B75237
oklch(56.2% 0.138 36)
-
Step 700
700
#9B4028
oklch(49% 0.128 35.8)
-
Step 800
800
#7E3622
oklch(42.7% 0.105 36.4)
-
Step 900
900
#662F21
oklch(37.6% 0.083 35.4)
-
Step 950
950
#3C1C14
oklch(27% 0.053 35.1)
#B75237 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) | #6D6334 | 0.137 |
| Deuteranopia (no green cones) | #867935 | 0.126 |
| Tritanopia (no blue cones) | #C93D4C | 0.060 |
| Achromatopsia (no color) | #717171 | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B75237
#B75237
oklch(56.2% 0.138 36)
- #00839A
#00839A
oklch(56.2% 0.1 215.8)
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 #B75237, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick Orange #C14A09 ΔE 0.032
- Burnt Siena #B75203 ΔE 0.034
- Burnt Orange #C04E01 ΔE 0.034
- Rust Orange #C45508 ΔE 0.041
- Dusty Red #B9484E ΔE 0.041
- Cinnamon #AC4F06 ΔE 0.041
- Sinopia #BB3E03 ΔE 0.041
- Dull Red #BB3F3F ΔE 0.042
Use #B75237 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.