#B66D8A
Closest named color: Mauve (#AE7181). oklch(62.3% 0.099 355), rgb(182, 109, 138).
Aa
Black text reads best on this color (5.54:1).
About this color
#B66D8A is a medium-light, moderately saturated red. In OKLCH its lightness is 62%, its chroma 0.099 and its hue 355°. Its hue sits on the warm side of the wheel. The nearest named color is Mauve (#AE7181), ΔE 0.023 away. Black text reads best on it, at 5.54:1.
| Hue family | Reds |
| Lightness | medium-light (62%) |
| Chroma | moderately saturated (0.099) |
| Temperature | warm |
| Nearest name | Mauve (#AE7181) |
| Black text | 5.54:1 |
| White text | 3.78:1 |
Values
| HEX | #B66D8A |
| RGB | rgb(182, 109, 138) |
| HSL | hsl(336, 33%, 57%) |
| OKLCH | oklch(62.3% 0.099 355) |
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 #B66D8A | 3.78:1 | AA large text | Lc -70.7 | Content text, not long reading |
| Black text on #B66D8A | 5.54:1 | AA | Lc 38.9 | Non-text elements, placeholder text |
| #B66D8A text on white | 3.78:1 | AA large text | Lc 65.2 | Content text, not long reading |
| #B66D8A text on black | 5.54:1 | AA | Lc -36.5 | 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
#F2E6EA
oklch(93.6% 0.014 355)
-
Step 200
200
#E9D2DA
oklch(88.5% 0.028 354.6)
-
Step 300
300
#DBB4C2
oklch(80.8% 0.049 354.7)
-
Step 400
400
#C88DA3
oklch(70.8% 0.077 355.1)
-
Step 500
500 (this color)
#B66D8A
oklch(62.3% 0.099 355)
-
Step 600
600
#A45776
oklch(55.7% 0.107 355.6)
-
Step 700
700
#8C4663
oklch(49% 0.101 355.3)
-
Step 800
800
#723A51
oklch(42.7% 0.084 355.2)
-
Step 900
900
#5C3243
oklch(37.6% 0.065 354.9)
-
Step 950
950
#361E27
oklch(27% 0.04 356.1)
#B66D8A 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) | #767B8B | 0.107 |
| Deuteranopia (no green cones) | #888888 | 0.099 |
| Tritanopia (no blue cones) | #C06A77 | 0.031 |
| Achromatopsia (no color) | #838383 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B66D8A
#B66D8A
oklch(62.3% 0.099 355)
- #359A84
#359A84
oklch(62.2% 0.099 175.6)
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 #B66D8A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mauve #AE7181 ΔE 0.023
- Dusky Rose #BA6873 ΔE 0.033
- Dusty Rose #C0737A ΔE 0.037
- Old Pink #C77986 ΔE 0.047
- Dusky Pink #CC7A8B ΔE 0.054
- Muted Pink #D1768F ΔE 0.055
- Old Rose #C87F89 ΔE 0.059
- Dark Lilac #9C6DA5 ΔE 0.061
Use #B66D8A 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.