#A66588
Closest named color: Light Plum (#9D5783). oklch(58.9% 0.095 346.9), rgb(166, 101, 136).
Aa
Black text reads best on this color (4.83:1).
About this color
#A66588 is a medium-dark, moderately saturated red. In OKLCH its lightness is 59%, its chroma 0.095 and its hue 347°. Its hue sits on the warm side of the wheel. The nearest named color is Light Plum (#9D5783), ΔE 0.039 away. Black text reads best on it, at 4.83:1.
| Hue family | Reds |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.095) |
| Temperature | warm |
| Nearest name | Light Plum (#9D5783) |
| Black text | 4.83:1 |
| White text | 4.34:1 |
Values
| HEX | #A66588 |
| RGB | rgb(166, 101, 136) |
| HSL | hsl(328, 27%, 52%) |
| OKLCH | oklch(58.9% 0.095 346.9) |
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 #A66588 | 4.34:1 | AA large text | Lc -75.4 | Fine for body text |
| Black text on #A66588 | 4.83:1 | AA | Lc 34.2 | Non-text elements, placeholder text |
| #A66588 text on white | 4.34:1 | AA large text | Lc 69.9 | Content text, not long reading |
| #A66588 text on black | 4.83:1 | AA | Lc -31.8 | 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
#F1E7EB
oklch(93.7% 0.012 351)
-
Step 200
200
#E6D3DC
oklch(88.5% 0.024 347.2)
-
Step 300
300
#D6B6C6
oklch(80.9% 0.042 346.5)
-
Step 400
400
#C190A9
oklch(70.8% 0.068 346.9)
-
Step 500
500
#B07494
oklch(63.1% 0.086 346.6)
-
Step 600
600 (this color)
#A66588
oklch(58.9% 0.095 346.9)
-
Step 700
700
#854B6A
oklch(49.1% 0.088 347.6)
-
Step 800
800
#6C3E57
oklch(42.8% 0.073 346.8)
-
Step 900
900
#583547
oklch(37.8% 0.057 348)
-
Step 950
950
#331F2A
oklch(26.9% 0.036 345.7)
#A66588 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) | #6A7389 | 0.101 |
| Deuteranopia (no green cones) | #7A7D86 | 0.093 |
| Tritanopia (no blue cones) | #AE6471 | 0.037 |
| Achromatopsia (no color) | #797979 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A66588
#A66588
oklch(58.9% 0.095 346.9)
- #3A8F71
#3A8F71
oklch(58.9% 0.095 166.9)
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 #A66588, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Plum #9D5783 ΔE 0.039
- Mauve #AE7181 ΔE 0.040
- Faded Purple #916E99 ΔE 0.044
- Dark Lilac #9C6DA5 ΔE 0.046
- Dusky Rose #BA6873 ΔE 0.051
- Purple Grey #866F85 ΔE 0.059
- Dark Lavender #856798 ΔE 0.061
- Grey Purple #826D8C ΔE 0.062
Use #A66588 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.