#B57181
Closest named color: Mauve (#AE7181). oklch(62.6% 0.088 4.7), rgb(181, 113, 129).
Aa
Black text reads best on this color (5.64:1).
About this color
#B57181 is a medium-light, moderately saturated red. In OKLCH its lightness is 63%, its chroma 0.088 and its hue 5°. Its hue sits on the warm side of the wheel. The nearest named color is Mauve (#AE7181), ΔE 0.012 away. Black text reads best on it, at 5.64:1.
| Hue family | Reds |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.088) |
| Temperature | warm |
| Nearest name | Mauve (#AE7181) |
| Black text | 5.64:1 |
| White text | 3.72:1 |
Values
| HEX | #B57181 |
| RGB | rgb(181, 113, 129) |
| HSL | hsl(346, 31%, 58%) |
| OKLCH | oklch(62.6% 0.088 4.7) |
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 #B57181 | 3.72:1 | AA large text | Lc -70.1 | Content text, not long reading |
| Black text on #B57181 | 5.64:1 | AA | Lc 39.5 | Non-text elements, placeholder text |
| #B57181 text on white | 3.72:1 | AA large text | Lc 64.6 | Content text, not long reading |
| #B57181 text on black | 5.64:1 | AA | Lc -37.1 | 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
#F2E7E9
oklch(93.7% 0.012 4.8)
-
Step 200
200
#E8D3D7
oklch(88.5% 0.024 4.5)
-
Step 300
300
#DAB6BD
oklch(81% 0.042 4.9)
-
Step 400
400
#C68F9B
oklch(70.7% 0.068 4.6)
-
Step 500
500 (this color)
#B57181
oklch(62.6% 0.088 4.7)
-
Step 600
600
#A25A6C
oklch(55.6% 0.096 4.7)
-
Step 700
700
#8A4A5A
oklch(49.1% 0.088 4.9)
-
Step 800
800
#703D4A
oklch(42.7% 0.073 4.3)
-
Step 900
900
#5B343E
oklch(37.6% 0.058 3.7)
-
Step 950
950
#361F24
oklch(27.1% 0.037 5.6)
#B57181 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) | #7B7D81 | 0.097 |
| Deuteranopia (no green cones) | #8C8980 | 0.088 |
| Tritanopia (no blue cones) | #C06C77 | 0.023 |
| Achromatopsia (no color) | #848484 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B57181
#B57181
oklch(62.6% 0.088 4.7)
- #3E998E
#3E998E
oklch(62.5% 0.088 184.4)
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 #B57181, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mauve #AE7181 ΔE 0.012
- Dusty Rose #C0737A ΔE 0.024
- Dusky Rose #BA6873 ΔE 0.025
- Old Pink #C77986 ΔE 0.039
- Brownish Pink #C27E79 ΔE 0.047
- Pinkish Brown #B17261 ΔE 0.048
- Dusky Pink #CC7A8B ΔE 0.049
- Old Rose #C87F89 ΔE 0.050
Use #B57181 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.