#B37D91
Closest named color: Mauve (#AE7181). oklch(65% 0.072 355.3), rgb(179, 125, 145).
Aa
Black text reads best on this color (6.25:1).
About this color
#B37D91 is a medium-light, moderately saturated red. In OKLCH its lightness is 65%, its chroma 0.072 and its hue 355°. Its hue sits on the warm side of the wheel. The nearest named color is Mauve (#AE7181), ΔE 0.035 away. Black text reads best on it, at 6.25:1.
| Hue family | Reds |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.072) |
| Temperature | warm |
| Nearest name | Mauve (#AE7181) |
| Black text | 6.25:1 |
| White text | 3.35:1 |
Values
| HEX | #B37D91 |
| RGB | rgb(179, 125, 145) |
| HSL | hsl(338, 26%, 60%) |
| OKLCH | oklch(65% 0.072 355.3) |
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 #B37D91 | 3.35:1 | AA large text | Lc -66.4 | Content text, not long reading |
| Black text on #B37D91 | 6.25:1 | AA | Lc 43.2 | Non-text elements, placeholder text |
| #B37D91 text on white | 3.35:1 | AA large text | Lc 60.9 | Content text, not long reading |
| #B37D91 text on black | 6.25:1 | AA | Lc -40.8 | 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
#F8F4F5
oklch(97.1% 0.004 360)
-
Step 100
100
#F0E7EA
oklch(93.6% 0.011 354.9)
-
Step 200
200
#E5D4DA
oklch(88.5% 0.02 354.1)
-
Step 300
300
#D4B8C1
oklch(80.9% 0.034 356.5)
-
Step 400
400
#BE92A2
oklch(70.6% 0.057 355)
-
Step 500
500 (this color)
#B37D91
oklch(65% 0.072 355.3)
-
Step 600
600
#986075
oklch(55.7% 0.078 355.8)
-
Step 700
700
#814F62
oklch(49% 0.072 355.7)
-
Step 800
800
#694150
oklch(42.7% 0.059 355.8)
-
Step 900
900
#563743
oklch(37.7% 0.048 354.8)
-
Step 950
950
#322027
oklch(26.9% 0.03 354.3)
#B37D91 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) | #838792 | 0.077 |
| Deuteranopia (no green cones) | #909090 | 0.072 |
| Tritanopia (no blue cones) | #BB7B84 | 0.022 |
| Achromatopsia (no color) | #8C8C8C | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B37D91
#B37D91
oklch(65% 0.072 355.3)
- #5D9E8D
#5D9E8D
oklch(65.1% 0.072 175.3)
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 #B37D91, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mauve #AE7181 ΔE 0.035
- Dusty Lavender #AC86A8 ΔE 0.035
- Old Pink #C77986 ΔE 0.036
- Dusty Rose #C0737A ΔE 0.039
- Old Rose #C87F89 ΔE 0.039
- English Lavender #9D8189 ΔE 0.040
- Dusky Pink #CC7A8B ΔE 0.043
- Brownish Pink #C27E79 ΔE 0.043
Use #B37D91 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.