#B66E91
Closest named color: Mauve (#AE7181). oklch(62.7% 0.101 349.8), rgb(182, 110, 145).
Aa
Black text reads best on this color (5.62:1).
About this color
#B66E91 is a medium-light, moderately saturated red. In OKLCH its lightness is 63%, its chroma 0.101 and its hue 350°. Its hue sits on the warm side of the wheel. The nearest named color is Mauve (#AE7181), ΔE 0.031 away. Black text reads best on it, at 5.62:1.
| Hue family | Reds |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.101) |
| Temperature | warm |
| Nearest name | Mauve (#AE7181) |
| Black text | 5.62:1 |
| White text | 3.73:1 |
Values
| HEX | #B66E91 |
| RGB | rgb(182, 110, 145) |
| HSL | hsl(331, 33%, 57%) |
| OKLCH | oklch(62.7% 0.101 349.8) |
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 #B66E91 | 3.73:1 | AA large text | Lc -70.2 | Content text, not long reading |
| Black text on #B66E91 | 5.62:1 | AA | Lc 39.4 | Non-text elements, placeholder text |
| #B66E91 text on white | 3.73:1 | AA large text | Lc 64.7 | Content text, not long reading |
| #B66E91 text on black | 5.62:1 | AA | Lc -37.0 | 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
#F2E6EB
oklch(93.6% 0.015 350.1)
-
Step 200
200
#E8D2DC
oklch(88.5% 0.028 348.4)
-
Step 300
300
#DBB4C5
oklch(80.9% 0.05 350.2)
-
Step 400
400
#C78CA8
oklch(70.6% 0.08 349.3)
-
Step 500
500 (this color)
#B66E91
oklch(62.7% 0.101 349.8)
-
Step 600
600
#A2567C
oklch(55.5% 0.11 350)
-
Step 700
700
#8B4669
oklch(49.1% 0.103 349.8)
-
Step 800
800
#713A56
oklch(42.7% 0.085 349.5)
-
Step 900
900
#5C3247
oklch(37.7% 0.067 349.5)
-
Step 950
950
#361E29
oklch(27.1% 0.041 351.2)
#B66E91 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) | #757D92 | 0.108 |
| Deuteranopia (no green cones) | #87898F | 0.100 |
| Tritanopia (no blue cones) | #C06C7A | 0.037 |
| Achromatopsia (no color) | #848484 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B66E91
#B66E91
oklch(62.7% 0.101 349.8)
- #3B9C7F
#3B9C7F
oklch(62.8% 0.101 170)
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 #B66E91, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mauve #AE7181 ΔE 0.031
- Dusky Rose #BA6873 ΔE 0.042
- Dusty Rose #C0737A ΔE 0.044
- Old Pink #C77986 ΔE 0.049
- Dusky Pink #CC7A8B ΔE 0.054
- Muted Pink #D1768F ΔE 0.055
- Dark Lilac #9C6DA5 ΔE 0.055
- Dusty Lavender #AC86A8 ΔE 0.060
Use #B66E91 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.