#A66859
Closest named color: Clay (#B66A50). oklch(58.1% 0.084 34.3), rgb(166, 104, 89).
Aa
Black text reads best on this color (4.74:1).
About this color
#A66859 is a medium-dark, moderately saturated red. In OKLCH its lightness is 58%, its chroma 0.084 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Clay (#B66A50), ΔE 0.032 away. Black text reads best on it, at 4.74:1.
| Hue family | Reds |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.084) |
| Temperature | warm |
| Nearest name | Clay (#B66A50) |
| Black text | 4.74:1 |
| White text | 4.42:1 |
Values
| HEX | #A66859 |
| RGB | rgb(166, 104, 89) |
| HSL | hsl(12, 30%, 50%) |
| OKLCH | oklch(58.1% 0.084 34.3) |
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 #A66859 | 4.42:1 | AA large text | Lc -76.0 | Fine for body text |
| Black text on #A66859 | 4.74:1 | AA | Lc 33.6 | Non-text elements, placeholder text |
| #A66859 text on white | 4.42:1 | AA large text | Lc 70.5 | Content text, not long reading |
| #A66859 text on black | 4.74:1 | 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
#F9F4F3
oklch(97.1% 0.006 31.1)
-
Step 100
100
#F1E7E5
oklch(93.5% 0.011 31.1)
-
Step 200
200
#E6D5D0
oklch(88.5% 0.02 37)
-
Step 300
300
#D8B9B1
oklch(81% 0.038 34.8)
-
Step 400
400
#C39488
oklch(70.8% 0.06 34.8)
-
Step 500
500
#B3796A
oklch(63.2% 0.077 35.1)
-
Step 600
600 (this color)
#A66859
oklch(58.1% 0.084 34.3)
-
Step 700
700
#875043
oklch(49.2% 0.077 34.1)
-
Step 800
800
#6E4237
oklch(42.8% 0.064 34.8)
-
Step 900
900
#593830
oklch(37.8% 0.05 34.3)
-
Step 950
950
#34211C
oklch(27% 0.031 35.3)
#A66859 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) | #777058 | 0.081 |
| Deuteranopia (no green cones) | #857D58 | 0.077 |
| Tritanopia (no blue cones) | #B35F64 | 0.038 |
| Achromatopsia (no color) | #787878 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A66859
#A66859
oklch(58.1% 0.084 34.3)
- #338799
#338799
oklch(58% 0.084 214.5)
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 #A66859, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clay #B66A50 ΔE 0.032
- Pinkish Brown #B17261 ΔE 0.034
- Earth #A2653E ΔE 0.034
- Reddish Grey #997570 ΔE 0.041
- Mocha #9D7651 ΔE 0.044
- Adobe #BD6C48 ΔE 0.049
- Clay Brown #B2713D ΔE 0.052
- Dusky Rose #BA6873 ΔE 0.053
Use #A66859 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.