#B57191
Closest named color: Mauve (#AE7181). oklch(63.1% 0.095 350.5), rgb(181, 113, 145).
Aa
Black text reads best on this color (5.73:1).
About this color
#B57191 is a medium-light, moderately saturated red. In OKLCH its lightness is 63%, its chroma 0.095 and its hue 350°. 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 5.73:1.
| Hue family | Reds |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.095) |
| Temperature | warm |
| Nearest name | Mauve (#AE7181) |
| Black text | 5.73:1 |
| White text | 3.66:1 |
Values
| HEX | #B57191 |
| RGB | rgb(181, 113, 145) |
| HSL | hsl(332, 31%, 58%) |
| OKLCH | oklch(63.1% 0.095 350.5) |
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 #B57191 | 3.66:1 | AA large text | Lc -69.5 | Content text, not long reading |
| Black text on #B57191 | 5.73:1 | AA | Lc 40.0 | Non-text elements, placeholder text |
| #B57191 text on white | 3.66:1 | AA large text | Lc 64.0 | Content text, not long reading |
| #B57191 text on black | 5.73:1 | 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
#F9F4F6
oklch(97.2% 0.006 350.8)
-
Step 100
100
#F1E6EB
oklch(93.5% 0.014 348)
-
Step 200
200
#E7D3DB
oklch(88.5% 0.025 351.4)
-
Step 300
300
#D9B5C4
oklch(80.9% 0.046 351.2)
-
Step 400
400
#C58EA7
oklch(70.8% 0.074 350.3)
-
Step 500
500 (this color)
#B57191
oklch(63.1% 0.095 350.5)
-
Step 600
600
#A0597B
oklch(55.7% 0.102 350.8)
-
Step 700
700
#894868
oklch(49.1% 0.097 350.4)
-
Step 800
800
#6F3C55
oklch(42.8% 0.079 350.2)
-
Step 900
900
#5A3346
oklch(37.6% 0.062 349.9)
-
Step 950
950
#351E29
oklch(26.9% 0.04 350)
#B57191 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) | #787F92 | 0.101 |
| Deuteranopia (no green cones) | #888A8F | 0.094 |
| Tritanopia (no blue cones) | #BE6F7C | 0.033 |
| Achromatopsia (no color) | #868686 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B57191
#B57191
oklch(63.1% 0.095 350.5)
- #439C81
#439C81
oklch(63.1% 0.095 170.4)
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 #B57191, 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 0.041
- Dusky Rose #BA6873 ΔE 0.043
- Old Pink #C77986 ΔE 0.045
- Dusky Pink #CC7A8B ΔE 0.051
- Muted Pink #D1768F ΔE 0.053
- Dusty Lavender #AC86A8 ΔE 0.054
- Old Rose #C87F89 ΔE 0.055
Use #B57191 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.