#A66360
Closest named color: Clay (#B66A50). oklch(57.4% 0.087 22.9), rgb(166, 99, 96).
Aa
White text reads best on this color (4.59:1).
About this color
#A66360 is a medium-dark, moderately saturated red. In OKLCH its lightness is 57%, its chroma 0.087 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Clay (#B66A50), ΔE 0.044 away. White text reads best on it, at 4.59:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.087) |
| Temperature | warm |
| Nearest name | Clay (#B66A50) |
| Black text | 4.57:1 |
| White text | 4.59:1 |
Values
| HEX | #A66360 |
| RGB | rgb(166, 99, 96) |
| HSL | hsl(3, 28%, 51%) |
| OKLCH | oklch(57.4% 0.087 22.9) |
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 #A66360 | 4.59:1 | AA | Lc -77.1 | Fine for body text |
| Black text on #A66360 | 4.57:1 | AA | Lc 32.4 | Non-text elements, placeholder text |
| #A66360 text on white | 4.59:1 | AA | Lc 71.7 | Content text, not long reading |
| #A66360 text on black | 4.57:1 | AA | Lc -30.0 | 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
#F1E7E6
oklch(93.6% 0.011 24.3)
-
Step 200
200
#E7D4D2
oklch(88.5% 0.021 24.8)
-
Step 300
300
#D9B7B5
oklch(80.8% 0.039 22)
-
Step 400
400
#C5928E
oklch(70.8% 0.062 23.9)
-
Step 500
500
#B57673
oklch(63.1% 0.08 22.6)
-
Step 600
600 (this color)
#A66360
oklch(57.4% 0.087 22.9)
-
Step 700
700
#894D4B
oklch(49.1% 0.081 22.5)
-
Step 800
800
#6F403D
oklch(42.7% 0.066 24.1)
-
Step 900
900
#5A3634
oklch(37.6% 0.052 23.3)
-
Step 950
950
#35201F
oklch(27% 0.033 22.5)
#A66360 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) | #716D5F | 0.092 |
| Deuteranopia (no green cones) | #817A5F | 0.085 |
| Tritanopia (no blue cones) | #B35B63 | 0.030 |
| Achromatopsia (no color) | #757575 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A66360
#A66360
oklch(57.4% 0.087 22.9)
- #25878F
#25878F
oklch(57.3% 0.087 203.1)
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 #A66360, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clay #B66A50 ΔE 0.044
- Pinkish Brown #B17261 ΔE 0.045
- Dusky Rose #BA6873 ΔE 0.047
- Reddish Grey #997570 ΔE 0.047
- Earth #A2653E ΔE 0.048
- Mauve #AE7181 ΔE 0.053
- Adobe #BD6C48 ΔE 0.062
- Dusty Red #B9484E ΔE 0.062
Use #A66360 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.