#A66458
Closest named color: Earth (#A2653E). oklch(57.3% 0.088 31), rgb(166, 100, 88).
Aa
Black text reads best on this color (4.58:1).
About this color
#A66458 is a medium-dark, moderately saturated red. In OKLCH its lightness is 57%, its chroma 0.088 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Earth (#A2653E), ΔE 0.036 away. Black text reads best on it, at 4.58:1.
| Hue family | Reds |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.088) |
| Temperature | warm |
| Nearest name | Earth (#A2653E) |
| Black text | 4.58:1 |
| White text | 4.57:1 |
Values
| HEX | #A66458 |
| RGB | rgb(166, 100, 88) |
| HSL | hsl(9, 31%, 50%) |
| OKLCH | oklch(57.3% 0.088 31) |
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 #A66458 | 4.57:1 | AA | Lc -77.1 | Fine for body text |
| Black text on #A66458 | 4.58:1 | AA | Lc 32.5 | Non-text elements, placeholder text |
| #A66458 text on white | 4.57:1 | AA | Lc 71.6 | Content text, not long reading |
| #A66458 text on black | 4.58:1 | AA | Lc -30.1 | 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
#D9B8B1
oklch(80.9% 0.039 32)
-
Step 400
400
#C59289
oklch(70.6% 0.064 30.1)
-
Step 500
500
#B5776B
oklch(63.1% 0.081 31.4)
-
Step 600
600 (this color)
#A66458
oklch(57.3% 0.088 31)
-
Step 700
700
#894E44
oklch(49.1% 0.082 30.5)
-
Step 800
800
#6F4038
oklch(42.6% 0.068 30.4)
-
Step 900
900
#5A3730
oklch(37.7% 0.052 31.9)
-
Step 950
950
#35201C
oklch(26.9% 0.034 31.2)
#A66458 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) | #736D57 | 0.088 |
| Deuteranopia (no green cones) | #837B57 | 0.083 |
| Tritanopia (no blue cones) | #B35A61 | 0.038 |
| Achromatopsia (no color) | #757575 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A66458
#A66458
oklch(57.3% 0.088 31)
- #278696
#278696
oklch(57.3% 0.088 211.3)
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 #A66458, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Earth #A2653E ΔE 0.036
- Clay #B66A50 ΔE 0.037
- Pinkish Brown #B17261 ΔE 0.042
- Reddish Grey #997570 ΔE 0.048
- Mocha #9D7651 ΔE 0.053
- Dusky Rose #BA6873 ΔE 0.053
- Adobe #BD6C48 ΔE 0.054
- Clay Brown #B2713D ΔE 0.059
Use #A66458 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.