#B37589
Closest named color: Mauve (#AE7181). oklch(63.3% 0.082 358.8), rgb(179, 117, 137).
Aa
Black text reads best on this color (5.82:1).
About this color
#B37589 is a medium-light, moderately saturated red. In OKLCH its lightness is 63%, its chroma 0.082 and its hue 359°. Its hue sits on the warm side of the wheel. The nearest named color is Mauve (#AE7181), ΔE 0.017 away. Black text reads best on it, at 5.82:1.
| Hue family | Reds |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.082) |
| Temperature | warm |
| Nearest name | Mauve (#AE7181) |
| Black text | 5.82:1 |
| White text | 3.60:1 |
Values
| HEX | #B37589 |
| RGB | rgb(179, 117, 137) |
| HSL | hsl(341, 29%, 58%) |
| OKLCH | oklch(63.3% 0.082 358.8) |
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 #B37589 | 3.60:1 | AA large text | Lc -69.0 | Content text, not long reading |
| Black text on #B37589 | 5.82:1 | AA | Lc 40.6 | Non-text elements, placeholder text |
| #B37589 text on white | 3.60:1 | AA large text | Lc 63.5 | Content text, not long reading |
| #B37589 text on black | 5.82:1 | AA | Lc -38.2 | 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
#F9F4F5
oklch(97.1% 0.006 3.3)
-
Step 100
100
#F1E7EA
oklch(93.7% 0.012 357)
-
Step 200
200
#E6D3D9
oklch(88.4% 0.022 356.4)
-
Step 300
300
#D8B6C0
oklch(80.9% 0.041 358.5)
-
Step 400
400
#C390A0
oklch(70.7% 0.065 358.3)
-
Step 500
500 (this color)
#B37589
oklch(63.3% 0.082 358.8)
-
Step 600
600
#9D5C72
oklch(55.5% 0.089 358.7)
-
Step 700
700
#864C60
oklch(49.1% 0.082 358.5)
-
Step 800
800
#6D3E4E
oklch(42.6% 0.069 358.6)
-
Step 900
900
#593541
oklch(37.7% 0.054 358.5)
-
Step 950
950
#341F26
oklch(26.9% 0.034 358.1)
#B37589 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) | #7D808A | 0.088 |
| Deuteranopia (no green cones) | #8C8B88 | 0.082 |
| Tritanopia (no blue cones) | #BD727C | 0.024 |
| Achromatopsia (no color) | #878787 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B37589
#B37589
oklch(63.3% 0.082 358.8)
- #4C9A8B
#4C9A8B
oklch(63.2% 0.081 179.4)
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 #B37589, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mauve #AE7181 ΔE 0.017
- Dusty Rose #C0737A ΔE 0.030
- Dusky Rose #BA6873 ΔE 0.038
- Old Pink #C77986 ΔE 0.038
- English Lavender #9D8189 ΔE 0.046
- Dusky Pink #CC7A8B ΔE 0.047
- Old Rose #C87F89 ΔE 0.047
- Brownish Pink #C27E79 ΔE 0.047
Use #B37589 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.