#B57591
Closest named color: Mauve (#AE7181). oklch(63.8% 0.088 352.1), rgb(181, 117, 145).
Aa
Black text reads best on this color (5.91:1).
About this color
#B57591 is a medium-light, moderately saturated red. In OKLCH its lightness is 64%, its chroma 0.088 and its hue 352°. Its hue sits on the warm side of the wheel. The nearest named color is Mauve (#AE7181), ΔE 0.027 away. Black text reads best on it, at 5.91:1.
| Hue family | Reds |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.088) |
| Temperature | warm |
| Nearest name | Mauve (#AE7181) |
| Black text | 5.91:1 |
| White text | 3.54:1 |
Values
| HEX | #B57591 |
| RGB | rgb(181, 117, 145) |
| HSL | hsl(334, 30%, 58%) |
| OKLCH | oklch(63.8% 0.088 352.1) |
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 #B57591 | 3.54:1 | AA large text | Lc -68.4 | Content text, not long reading |
| Black text on #B57591 | 5.91:1 | AA | Lc 41.2 | Non-text elements, placeholder text |
| #B57591 text on white | 3.54:1 | AA large text | Lc 62.9 | Content text, not long reading |
| #B57591 text on black | 5.91:1 | AA | Lc -38.8 | 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
#F9F4F6
oklch(97.2% 0.006 350.8)
-
Step 100
100
#F1E7EB
oklch(93.7% 0.012 351)
-
Step 200
200
#E7D3DB
oklch(88.5% 0.025 351.4)
-
Step 300
300
#D8B6C3
oklch(81% 0.043 353.1)
-
Step 400
400
#C38FA5
oklch(70.7% 0.069 351.9)
-
Step 500
500 (this color)
#B57591
oklch(63.8% 0.088 352.1)
-
Step 600
600
#9E5B79
oklch(55.7% 0.095 352.3)
-
Step 700
700
#874A66
oklch(49.1% 0.09 352)
-
Step 800
800
#6E3D53
oklch(42.7% 0.074 352.3)
-
Step 900
900
#593445
oklch(37.6% 0.058 351.2)
-
Step 950
950
#341F28
oklch(27% 0.036 352.4)
#B57591 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) | #7B8192 | 0.094 |
| Deuteranopia (no green cones) | #8B8C8F | 0.087 |
| Tritanopia (no blue cones) | #BE737F | 0.029 |
| Achromatopsia (no color) | #888888 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B57591
#B57591
oklch(63.8% 0.088 352.1)
- #4C9D85
#4C9D85
oklch(63.8% 0.088 171.7)
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 #B57591, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mauve #AE7181 ΔE 0.027
- Dusty Rose #C0737A ΔE 0.037
- Old Pink #C77986 ΔE 0.039
- Dusky Pink #CC7A8B ΔE 0.045
- Dusky Rose #BA6873 ΔE 0.045
- Dusty Lavender #AC86A8 ΔE 0.047
- Old Rose #C87F89 ΔE 0.048
- Muted Pink #D1768F ΔE 0.049
Use #B57591 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.