#A66780
Closest named color: Mauve (#AE7181). oklch(59% 0.087 354.7), rgb(166, 103, 128).
Aa
Black text reads best on this color (4.87:1).
About this color
#A66780 is a medium-dark, moderately saturated red. In OKLCH its lightness is 59%, its chroma 0.087 and its hue 355°. 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 4.87:1.
| Hue family | Reds |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.087) |
| Temperature | warm |
| Nearest name | Mauve (#AE7181) |
| Black text | 4.87:1 |
| White text | 4.30:1 |
Values
| HEX | #A66780 |
| RGB | rgb(166, 103, 128) |
| HSL | hsl(336, 26%, 53%) |
| OKLCH | oklch(59% 0.087 354.7) |
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 #A66780 | 4.30:1 | AA large text | Lc -75.1 | Fine for body text |
| Black text on #A66780 | 4.87:1 | AA | Lc 34.4 | Non-text elements, placeholder text |
| #A66780 text on white | 4.30:1 | AA large text | Lc 69.7 | Content text, not long reading |
| #A66780 text on black | 4.87:1 | AA | Lc -32.0 | 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 600.
-
Step 50
50
#F9F4F5
oklch(97.1% 0.006 3.3)
-
Step 100
100
#F0E7EA
oklch(93.6% 0.011 354.9)
-
Step 200
200
#E6D4DA
oklch(88.6% 0.021 355.3)
-
Step 300
300
#D6B7C2
oklch(80.9% 0.038 354.6)
-
Step 400
400
#C191A3
oklch(70.8% 0.062 354.5)
-
Step 500
500
#B0758C
oklch(63% 0.08 354.6)
-
Step 600
600 (this color)
#A66780
oklch(59% 0.087 354.7)
-
Step 700
700
#844D63
oklch(49.1% 0.079 354.9)
-
Step 800
800
#6C3F51
oklch(42.7% 0.067 354.8)
-
Step 900
900
#583643
oklch(37.8% 0.052 355.3)
-
Step 950
950
#332027
oklch(27% 0.031 355.6)
#A66780 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) | #6E7381 | 0.094 |
| Deuteranopia (no green cones) | #7E7E7F | 0.086 |
| Tritanopia (no blue cones) | #AF6470 | 0.027 |
| Achromatopsia (no color) | #7A7A7A | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A66780
#A66780
oklch(59% 0.087 354.7)
- #3B8E7A
#3B8E7A
oklch(59% 0.087 174.8)
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 #A66780, 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 0.041
- Light Plum #9D5783 ΔE 0.047
- Faded Purple #916E99 ΔE 0.050
- Reddish Grey #997570 ΔE 0.055
- Purple Grey #866F85 ΔE 0.056
- Dark Lilac #9C6DA5 ΔE 0.057
- Dusty Rose #C0737A ΔE 0.061
Use #A66780 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.