#A66552
Closest named color: Earth (#A2653E). oklch(57.4% 0.089 37.1), rgb(166, 101, 82).
Aa
Black text reads best on this color (4.60:1).
About this color
#A66552 is a medium-dark, moderately saturated red. In OKLCH its lightness is 57%, its chroma 0.089 and its hue 37°. Its hue sits on the warm side of the wheel. The nearest named color is Earth (#A2653E), ΔE 0.027 away. Black text reads best on it, at 4.60:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.089) |
| Temperature | warm |
| Nearest name | Earth (#A2653E) |
| Black text | 4.60:1 |
| White text | 4.56:1 |
Values
| HEX | #A66552 |
| RGB | rgb(166, 101, 82) |
| HSL | hsl(14, 34%, 49%) |
| OKLCH | oklch(57.4% 0.089 37.1) |
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 #A66552 | 4.56:1 | AA | Lc -76.9 | Fine for body text |
| Black text on #A66552 | 4.60:1 | AA | Lc 32.6 | Non-text elements, placeholder text |
| #A66552 text on white | 4.56:1 | AA | Lc 71.5 | Content text, not long reading |
| #A66552 text on black | 4.60:1 | AA | Lc -30.2 | 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
#F1E7E4
oklch(93.5% 0.012 37.4)
-
Step 200
200
#E7D4CF
oklch(88.4% 0.022 35.1)
-
Step 300
300
#D9B8AF
oklch(80.9% 0.04 35.7)
-
Step 400
400
#C59384
oklch(70.7% 0.065 37.4)
-
Step 500
500
#B57866
oklch(63.2% 0.082 37.2)
-
Step 600
600 (this color)
#A66552
oklch(57.4% 0.089 37.1)
-
Step 700
700
#894F3E
oklch(49.1% 0.083 37.1)
-
Step 800
800
#6F4133
oklch(42.7% 0.068 37.7)
-
Step 900
900
#5A372D
oklch(37.6% 0.053 36.7)
-
Step 950
950
#35211A
oklch(27.1% 0.034 40.1)
#A66552 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) | #756D50 | 0.085 |
| Deuteranopia (no green cones) | #857B51 | 0.079 |
| Tritanopia (no blue cones) | #B45B60 | 0.043 |
| Achromatopsia (no color) | #767676 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A66552
#A66552
oklch(57.4% 0.089 37.1)
- #29859B
#29859B
oklch(57.3% 0.09 217.3)
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 #A66552, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Earth #A2653E ΔE 0.027
- Clay #B66A50 ΔE 0.033
- Pinkish Brown #B17261 ΔE 0.041
- Mocha #9D7651 ΔE 0.047
- Adobe #BD6C48 ΔE 0.050
- Reddish Grey #997570 ΔE 0.050
- Clay Brown #B2713D ΔE 0.051
- Copper #B66325 ΔE 0.051
Use #A66552 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.