#A66766
Closest named color: Reddish Grey (#997570). oklch(58.2% 0.082 20.8), rgb(166, 103, 102).
Aa
Black text reads best on this color (4.75:1).
About this color
#A66766 is a medium-dark, moderately saturated red. In OKLCH its lightness is 58%, its chroma 0.082 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Reddish Grey (#997570), ΔE 0.039 away. Black text reads best on it, at 4.75:1.
| Hue family | Reds |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.082) |
| Temperature | warm |
| Nearest name | Reddish Grey (#997570) |
| Black text | 4.75:1 |
| White text | 4.41:1 |
Values
| HEX | #A66766 |
| RGB | rgb(166, 103, 102) |
| HSL | hsl(1, 26%, 53%) |
| OKLCH | oklch(58.2% 0.082 20.8) |
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 #A66766 | 4.41:1 | AA large text | Lc -75.9 | Fine for body text |
| Black text on #A66766 | 4.75:1 | AA | Lc 33.6 | Non-text elements, placeholder text |
| #A66766 text on white | 4.41:1 | AA large text | Lc 70.5 | Content text, not long reading |
| #A66766 text on black | 4.75:1 | AA | Lc -31.2 | 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
#E6D4D3
oklch(88.4% 0.02 21.4)
-
Step 300
300
#D8B8B6
oklch(81% 0.037 22.2)
-
Step 400
400
#C39291
oklch(70.6% 0.06 20)
-
Step 500
500
#B37776
oklch(63.1% 0.076 20.5)
-
Step 600
600 (this color)
#A66766
oklch(58.2% 0.082 20.8)
-
Step 700
700
#874F4E
oklch(49.2% 0.076 21.3)
-
Step 800
800
#6D4140
oklch(42.7% 0.062 21.4)
-
Step 900
900
#593736
oklch(37.7% 0.049 21.5)
-
Step 950
950
#342020
oklch(26.9% 0.031 19.3)
#A66766 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) | #747066 | 0.085 |
| Deuteranopia (no green cones) | #837D65 | 0.080 |
| Tritanopia (no blue cones) | #B26067 | 0.026 |
| Achromatopsia (no color) | #787878 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A66766
#A66766
oklch(58.2% 0.082 20.8)
- #33898F
#33898F
oklch(58.1% 0.081 201.7)
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 #A66766, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddish Grey #997570 ΔE 0.039
- Pinkish Brown #B17261 ΔE 0.039
- Dusky Rose #BA6873 ΔE 0.041
- Clay #B66A50 ΔE 0.044
- Mauve #AE7181 ΔE 0.044
- Earth #A2653E ΔE 0.053
- Mocha #9D7651 ΔE 0.059
- Adobe #BD6C48 ΔE 0.061
Use #A66766 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.