#A66657
Closest named color: Earth (#A2653E). oklch(57.7% 0.086 33.9), rgb(166, 102, 87).
Aa
Black text reads best on this color (4.65:1).
About this color
#A66657 is a medium-dark, moderately saturated red. In OKLCH its lightness is 58%, its chroma 0.086 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Earth (#A2653E), ΔE 0.032 away. Black text reads best on it, at 4.65:1.
| Hue family | Reds |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.086) |
| Temperature | warm |
| Nearest name | Earth (#A2653E) |
| Black text | 4.65:1 |
| White text | 4.50:1 |
Values
| HEX | #A66657 |
| RGB | rgb(166, 102, 87) |
| HSL | hsl(11, 31%, 50%) |
| OKLCH | oklch(57.7% 0.086 33.9) |
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 #A66657 | 4.50:1 | AA | Lc -76.6 | Fine for body text |
| Black text on #A66657 | 4.65:1 | AA | Lc 33.0 | Non-text elements, placeholder text |
| #A66657 text on white | 4.50:1 | AA | Lc 71.1 | Content text, not long reading |
| #A66657 text on black | 4.65:1 | AA | Lc -30.6 | 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
#F9F4F3
oklch(97.1% 0.006 31.1)
-
Step 100
100
#F1E7E5
oklch(93.5% 0.011 31.1)
-
Step 200
200
#E7D4D0
oklch(88.4% 0.022 31.8)
-
Step 300
300
#D8B8B0
oklch(80.8% 0.039 34.3)
-
Step 400
400
#C49387
oklch(70.7% 0.062 34.2)
-
Step 500
500
#B47869
oklch(63.1% 0.079 34.7)
-
Step 600
600 (this color)
#A66657
oklch(57.7% 0.086 33.9)
-
Step 700
700
#884F42
oklch(49.1% 0.08 33.7)
-
Step 800
800
#6F4136
oklch(42.7% 0.067 34.3)
-
Step 900
900
#5A372F
oklch(37.7% 0.052 33.5)
-
Step 950
950
#35211C
oklch(27.2% 0.033 34.6)
#A66657 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) | #756F56 | 0.085 |
| Deuteranopia (no green cones) | #857C56 | 0.079 |
| Tritanopia (no blue cones) | #B35C62 | 0.040 |
| Achromatopsia (no color) | #777777 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A66657
#A66657
oklch(57.7% 0.086 33.9)
- #2D8698
#2D8698
oklch(57.6% 0.086 213.9)
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 #A66657, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Earth #A2653E ΔE 0.032
- Clay #B66A50 ΔE 0.034
- Pinkish Brown #B17261 ΔE 0.038
- Reddish Grey #997570 ΔE 0.045
- Mocha #9D7651 ΔE 0.048
- Adobe #BD6C48 ΔE 0.050
- Clay Brown #B2713D ΔE 0.054
- Dusky Rose #BA6873 ΔE 0.054
Use #A66657 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.