#A66D5F
Closest named color: Pinkish Brown (#B17261). oklch(59.1% 0.076 34.4), rgb(166, 109, 95).
Aa
Black text reads best on this color (4.97:1).
About this color
#A66D5F is a medium-dark, moderately saturated red. In OKLCH its lightness is 59%, its chroma 0.076 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Pinkish Brown (#B17261), ΔE 0.024 away. Black text reads best on it, at 4.97:1.
| Hue family | Reds |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.076) |
| Temperature | warm |
| Nearest name | Pinkish Brown (#B17261) |
| Black text | 4.97:1 |
| White text | 4.22:1 |
Values
| HEX | #A66D5F |
| RGB | rgb(166, 109, 95) |
| HSL | hsl(12, 29%, 51%) |
| OKLCH | oklch(59.1% 0.076 34.4) |
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 #A66D5F | 4.22:1 | AA large text | Lc -74.5 | Content text, not long reading |
| Black text on #A66D5F | 4.97:1 | AA | Lc 35.1 | Non-text elements, placeholder text |
| #A66D5F text on white | 4.22:1 | AA large text | Lc 69.0 | Content text, not long reading |
| #A66D5F text on black | 4.97:1 | AA | Lc -32.7 | 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
#F8F4F3
oklch(97% 0.005 34.3)
-
Step 100
100
#F0E8E5
oklch(93.6% 0.01 41.9)
-
Step 200
200
#E5D5D1
oklch(88.5% 0.019 34.3)
-
Step 300
300
#D6B9B2
oklch(80.9% 0.035 33.8)
-
Step 400
400
#C0958A
oklch(70.7% 0.055 34.8)
-
Step 500
500
#B07A6D
oklch(63.1% 0.071 34.1)
-
Step 600
600 (this color)
#A66D5F
oklch(59.1% 0.076 34.4)
-
Step 700
700
#845245
oklch(49.2% 0.071 35.3)
-
Step 800
800
#6B4339
oklch(42.7% 0.058 34.7)
-
Step 900
900
#573931
oklch(37.7% 0.045 35.6)
-
Step 950
950
#33211D
oklch(26.9% 0.029 33)
#A66D5F 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) | #7A745E | 0.074 |
| Deuteranopia (no green cones) | #88805E | 0.069 |
| Tritanopia (no blue cones) | #B26569 | 0.035 |
| Achromatopsia (no color) | #7B7B7B | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A66D5F
#A66D5F
oklch(59.1% 0.076 34.4)
- #40899A
#40899A
oklch(59% 0.077 215.2)
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 #A66D5F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pinkish Brown #B17261 ΔE 0.024
- Reddish Grey #997570 ΔE 0.031
- Clay #B66A50 ΔE 0.032
- Mocha #9D7651 ΔE 0.039
- Earth #A2653E ΔE 0.042
- Adobe #BD6C48 ΔE 0.048
- Clay Brown #B2713D ΔE 0.050
- Dusky Rose #BA6873 ΔE 0.050
Use #A66D5F 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.