#A66580
Closest named color: Mauve (#AE7181). oklch(58.6% 0.09 353.8), rgb(166, 101, 128).
Aa
Black text reads best on this color (4.79:1).
About this color
#A66580 is a medium-dark, moderately saturated red. In OKLCH its lightness is 59%, its chroma 0.090 and its hue 354°. Its hue sits on the warm side of the wheel. The nearest named color is Mauve (#AE7181), ΔE 0.035 away. Black text reads best on it, at 4.79:1.
| Hue family | Reds |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.090) |
| Temperature | warm |
| Nearest name | Mauve (#AE7181) |
| Black text | 4.79:1 |
| White text | 4.37:1 |
Values
| HEX | #A66580 |
| RGB | rgb(166, 101, 128) |
| HSL | hsl(335, 27%, 52%) |
| OKLCH | oklch(58.6% 0.09 353.8) |
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 #A66580 | 4.37:1 | AA large text | Lc -75.7 | Fine for body text |
| Black text on #A66580 | 4.79:1 | AA | Lc 33.9 | Non-text elements, placeholder text |
| #A66580 text on white | 4.37:1 | AA large text | Lc 70.2 | Content text, not long reading |
| #A66580 text on black | 4.79:1 | AA | Lc -31.5 | 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 600.
-
Step 50
50
#F9F4F6
oklch(97.2% 0.006 350.8)
-
Step 100
100
#F1E7EA
oklch(93.7% 0.012 357)
-
Step 200
200
#E6D3DA
oklch(88.4% 0.023 353.2)
-
Step 300
300
#D7B6C2
oklch(80.8% 0.041 354.2)
-
Step 400
400
#C290A3
oklch(70.7% 0.065 354.3)
-
Step 500
500
#B1748D
oklch(63% 0.083 353.5)
-
Step 600
600 (this color)
#A66580
oklch(58.6% 0.09 353.8)
-
Step 700
700
#854C64
oklch(49.1% 0.083 353.8)
-
Step 800
800
#6D3E52
oklch(42.7% 0.071 353.5)
-
Step 900
900
#583544
oklch(37.6% 0.055 352.8)
-
Step 950
950
#341F28
oklch(27% 0.036 352.4)
#A66580 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) | #6C7281 | 0.098 |
| Deuteranopia (no green cones) | #7C7D7E | 0.091 |
| Tritanopia (no blue cones) | #AF626E | 0.030 |
| Achromatopsia (no color) | #797979 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A66580
#A66580
oklch(58.6% 0.09 353.8)
- #368E78
#368E78
oklch(58.7% 0.091 173.7)
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 #A66580, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mauve #AE7181 ΔE 0.035
- Light Plum #9D5783 ΔE 0.043
- Dusky Rose #BA6873 ΔE 0.043
- Faded Purple #916E99 ΔE 0.050
- Dark Lilac #9C6DA5 ΔE 0.056
- Purple Grey #866F85 ΔE 0.057
- Reddish Grey #997570 ΔE 0.059
- Dusky Purple #895B7B ΔE 0.061
Use #A66580 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.