#A66957
Closest named color: Clay (#B66A50). oklch(58.2% 0.084 37.2), rgb(166, 105, 87).
Aa
Black text reads best on this color (4.77:1).
About this color
#A66957 is a medium-dark, moderately saturated red. In OKLCH its lightness is 58%, its chroma 0.084 and its hue 37°. Its hue sits on the warm side of the wheel. The nearest named color is Clay (#B66A50), ΔE 0.030 away. Black text reads best on it, at 4.77:1.
| Hue family | Reds |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.084) |
| Temperature | warm |
| Nearest name | Clay (#B66A50) |
| Black text | 4.77:1 |
| White text | 4.39:1 |
Values
| HEX | #A66957 |
| RGB | rgb(166, 105, 87) |
| HSL | hsl(14, 31%, 50%) |
| OKLCH | oklch(58.2% 0.084 37.2) |
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 #A66957 | 4.39:1 | AA large text | Lc -75.8 | Fine for body text |
| Black text on #A66957 | 4.77:1 | AA | Lc 33.8 | Non-text elements, placeholder text |
| #A66957 text on white | 4.39:1 | AA large text | Lc 70.3 | Content text, not long reading |
| #A66957 text on black | 4.77:1 | AA | Lc -31.4 | 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
#E6D5CF
oklch(88.5% 0.021 40.5)
-
Step 300
300
#D7B9B0
oklch(80.9% 0.037 37.3)
-
Step 400
400
#C39486
oklch(70.7% 0.061 37.2)
-
Step 500
500
#B37968
oklch(63.1% 0.078 37)
-
Step 600
600 (this color)
#A66957
oklch(58.2% 0.084 37.2)
-
Step 700
700
#875040
oklch(49.1% 0.079 37)
-
Step 800
800
#6D4235
oklch(42.6% 0.064 37.6)
-
Step 900
900
#59382E
oklch(37.7% 0.05 37.6)
-
Step 950
950
#34211B
oklch(27% 0.032 38.3)
#A66957 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) | #787156 | 0.079 |
| Deuteranopia (no green cones) | #867D56 | 0.074 |
| Tritanopia (no blue cones) | #B35F64 | 0.042 |
| Achromatopsia (no color) | #787878 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A66957
#A66957
oklch(58.2% 0.084 37.2)
- #36879B
#36879B
oklch(58.2% 0.083 216.9)
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 #A66957, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clay #B66A50 ΔE 0.030
- Earth #A2653E ΔE 0.031
- Pinkish Brown #B17261 ΔE 0.032
- Mocha #9D7651 ΔE 0.040
- Reddish Grey #997570 ΔE 0.041
- Adobe #BD6C48 ΔE 0.047
- Clay Brown #B2713D ΔE 0.048
- Copper #B66325 ΔE 0.054
Use #A66957 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.