#A66B5F
Closest named color: Pinkish Brown (#B17261). oklch(58.8% 0.078 32.1), rgb(166, 107, 95).
Aa
Black text reads best on this color (4.88:1).
About this color
#A66B5F is a medium-dark, moderately saturated red. In OKLCH its lightness is 59%, its chroma 0.078 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Pinkish Brown (#B17261), ΔE 0.028 away. Black text reads best on it, at 4.88:1.
| Hue family | Reds |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.078) |
| Temperature | warm |
| Nearest name | Pinkish Brown (#B17261) |
| Black text | 4.88:1 |
| White text | 4.29:1 |
Values
| HEX | #A66B5F |
| RGB | rgb(166, 107, 95) |
| HSL | hsl(10, 29%, 51%) |
| OKLCH | oklch(58.8% 0.078 32.1) |
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 #A66B5F | 4.29:1 | AA large text | Lc -75.0 | Fine for body text |
| Black text on #A66B5F | 4.88:1 | AA | Lc 34.5 | Non-text elements, placeholder text |
| #A66B5F text on white | 4.29:1 | AA large text | Lc 69.6 | Content text, not long reading |
| #A66B5F text on black | 4.88:1 | AA | Lc -32.1 | 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
#F1E7E6
oklch(93.6% 0.011 24.3)
-
Step 200
200
#E6D5D1
oklch(88.6% 0.02 33.4)
-
Step 300
300
#D6B9B3
oklch(80.9% 0.035 31.6)
-
Step 400
400
#C1948B
oklch(70.6% 0.056 31.4)
-
Step 500
500
#B1796E
oklch(63% 0.073 31.5)
-
Step 600
600 (this color)
#A66B5F
oklch(58.8% 0.078 32.1)
-
Step 700
700
#855146
oklch(49.1% 0.073 32.7)
-
Step 800
800
#6C423A
oklch(42.6% 0.06 31.4)
-
Step 900
900
#583832
oklch(37.7% 0.047 31.1)
-
Step 950
950
#34211D
oklch(27% 0.031 32.3)
#A66B5F 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) | #78735E | 0.078 |
| Deuteranopia (no green cones) | #877F5E | 0.072 |
| Tritanopia (no blue cones) | #B26368 | 0.034 |
| Achromatopsia (no color) | #7A7A7A | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A66B5F
#A66B5F
oklch(58.8% 0.078 32.1)
- #3C8998
#3C8998
oklch(58.8% 0.078 212.4)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes and gradients that use #A66B5F
These curated palettes and gradients contain exactly #A66B5F. Open one to see the full color scheme around it.
Palettes
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pinkish Brown #B17261 ΔE 0.028
- Clay #B66A50 ΔE 0.033
- Reddish Grey #997570 ΔE 0.034
- Earth #A2653E ΔE 0.041
- Mocha #9D7651 ΔE 0.043
- Dusky Rose #BA6873 ΔE 0.048
- Adobe #BD6C48 ΔE 0.049
- Mauve #AE7181 ΔE 0.050
Use #A66B5F 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.