#A66366
Closest named color: Dusky Rose (#BA6873). oklch(57.5% 0.087 17.3), rgb(166, 99, 102).
Aa
Black text reads best on this color (4.59:1).
About this color
#A66366 is a medium-dark, moderately saturated red. In OKLCH its lightness is 58%, its chroma 0.087 and its hue 17°. Its hue sits on the warm side of the wheel. The nearest named color is Dusky Rose (#BA6873), ΔE 0.043 away. Black text reads best on it, at 4.59:1.
| Hue family | Reds |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.087) |
| Temperature | warm |
| Nearest name | Dusky Rose (#BA6873) |
| Black text | 4.59:1 |
| White text | 4.56:1 |
Values
| HEX | #A66366 |
| RGB | rgb(166, 99, 102) |
| HSL | hsl(357, 27%, 52%) |
| OKLCH | oklch(57.5% 0.087 17.3) |
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 #A66366 | 4.56:1 | AA | Lc -77.0 | Fine for body text |
| Black text on #A66366 | 4.59:1 | AA | Lc 32.6 | Non-text elements, placeholder text |
| #A66366 text on white | 4.56:1 | AA | Lc 71.5 | Content text, not long reading |
| #A66366 text on black | 4.59:1 | AA | Lc -30.2 | 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
#F9F4F4
oklch(97.1% 0.005 17.2)
-
Step 100
100
#F1E7E7
oklch(93.6% 0.011 17.4)
-
Step 200
200
#E7D4D4
oklch(88.5% 0.021 17.6)
-
Step 300
300
#D9B7B7
oklch(80.9% 0.039 18)
-
Step 400
400
#C59192
oklch(70.7% 0.063 17.5)
-
Step 500
500
#B57578
oklch(63% 0.081 16.6)
-
Step 600
600 (this color)
#A66366
oklch(57.5% 0.087 17.3)
-
Step 700
700
#894D50
oklch(49.2% 0.081 17.3)
-
Step 800
800
#6F3F41
oklch(42.6% 0.067 17.6)
-
Step 900
900
#5A3637
oklch(37.7% 0.052 18)
-
Step 950
950
#352020
oklch(27% 0.033 19.4)
#A66366 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) | #706E66 | 0.093 |
| Deuteranopia (no green cones) | #807B65 | 0.087 |
| Tritanopia (no blue cones) | #B25C64 | 0.025 |
| Achromatopsia (no color) | #767676 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A66366
#A66366
oklch(57.5% 0.087 17.3)
- #27888B
#27888B
oklch(57.4% 0.086 198.1)
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 #A66366, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Rose #BA6873 ΔE 0.043
- Reddish Grey #997570 ΔE 0.047
- Mauve #AE7181 ΔE 0.048
- Pinkish Brown #B17261 ΔE 0.048
- Clay #B66A50 ΔE 0.050
- Earth #A2653E ΔE 0.056
- Dark Rose #B5485D ΔE 0.061
- Dusty Red #B9484E ΔE 0.063
Use #A66366 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.