#B37577
Closest named color: Mauve (#AE7181). oklch(62.8% 0.078 17.4), rgb(179, 117, 119).
Aa
Black text reads best on this color (5.72:1).
About this color
#B37577 is a medium-light, moderately saturated red. In OKLCH its lightness is 63%, its chroma 0.078 and its hue 17°. Its hue sits on the warm side of the wheel. The nearest named color is Mauve (#AE7181), ΔE 0.023 away. Black text reads best on it, at 5.72:1.
| Hue family | Reds |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.078) |
| Temperature | warm |
| Nearest name | Mauve (#AE7181) |
| Black text | 5.72:1 |
| White text | 3.66:1 |
Values
| HEX | #B37577 |
| RGB | rgb(179, 117, 119) |
| HSL | hsl(358, 29%, 58%) |
| OKLCH | oklch(62.8% 0.078 17.4) |
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 #B37577 | 3.66:1 | AA large text | Lc -69.6 | Content text, not long reading |
| Black text on #B37577 | 5.72:1 | AA | Lc 40.0 | Non-text elements, placeholder text |
| #B37577 text on white | 3.66:1 | AA large text | Lc 64.1 | Content text, not long reading |
| #B37577 text on black | 5.72:1 | AA | Lc -37.6 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F9F4F4
oklch(97.1% 0.005 17.2)
-
Step 100
100
#F1E7E7
oklch(93.6% 0.011 17.4)
-
Step 200
200
#E7D4D4
oklch(88.5% 0.021 17.6)
-
Step 300
300
#D8B7B7
oklch(80.8% 0.038 18)
-
Step 400
400
#C49293
oklch(70.8% 0.061 17.4)
-
Step 500
500 (this color)
#B37577
oklch(62.8% 0.078 17.4)
-
Step 600
600
#9F5E61
oklch(55.6% 0.085 17.2)
-
Step 700
700
#884D50
oklch(49.1% 0.08 17.2)
-
Step 800
800
#6F4042
oklch(42.9% 0.066 17.4)
-
Step 900
900
#5A3637
oklch(37.7% 0.052 18)
-
Step 950
950
#352021
oklch(27.1% 0.033 16.3)
#B37577 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) | #817E77 | 0.083 |
| Deuteranopia (no green cones) | #8F8A76 | 0.078 |
| Tritanopia (no blue cones) | #BF6F76 | 0.024 |
| Achromatopsia (no color) | #858585 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B37577
#B37577
oklch(62.8% 0.078 17.4)
- #479799
#479799
oklch(62.7% 0.078 197.5)
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 #B37577, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mauve #AE7181 ΔE 0.023
- Dusty Rose #C0737A ΔE 0.024
- Pinkish Brown #B17261 ΔE 0.030
- Dusky Rose #BA6873 ΔE 0.032
- Brownish Pink #C27E79 ΔE 0.037
- Old Pink #C77986 ΔE 0.042
- English Lavender #9D8189 ΔE 0.046
- Reddish Grey #997570 ΔE 0.046
Use #B37577 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.