#A66D69
Closest named color: Reddish Grey (#997570). oklch(59.4% 0.074 23.9), rgb(166, 109, 105).
Aa
Black text reads best on this color (5.01:1).
About this color
#A66D69 is a medium-dark, moderately saturated red. In OKLCH its lightness is 59%, its chroma 0.074 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Reddish Grey (#997570), ΔE 0.028 away. Black text reads best on it, at 5.01:1.
| Hue family | Reds |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.074) |
| Temperature | warm |
| Nearest name | Reddish Grey (#997570) |
| Black text | 5.01:1 |
| White text | 4.18:1 |
Values
| HEX | #A66D69 |
| RGB | rgb(166, 109, 105) |
| HSL | hsl(4, 26%, 53%) |
| OKLCH | oklch(59.4% 0.074 23.9) |
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 #A66D69 | 4.18:1 | AA large text | Lc -74.2 | Content text, not long reading |
| Black text on #A66D69 | 5.01:1 | AA | Lc 35.3 | Non-text elements, placeholder text |
| #A66D69 text on white | 4.18:1 | AA large text | Lc 68.7 | Content text, not long reading |
| #A66D69 text on black | 5.01:1 | AA | Lc -32.9 | 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 500.
-
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
#E6D4D3
oklch(88.4% 0.02 21.4)
-
Step 300
300
#D7B8B5
oklch(80.9% 0.036 24.5)
-
Step 400
400
#C2938F
oklch(70.7% 0.057 24.2)
-
Step 500
500 (this color)
#A66D69
oklch(59.4% 0.074 23.9)
-
Step 600
600
#9D605C
oklch(55.6% 0.08 24)
-
Step 700
700
#864F4C
oklch(49% 0.075 23.5)
-
Step 800
800
#6D413E
oklch(42.7% 0.062 24.2)
-
Step 900
900
#593735
oklch(37.7% 0.049 23.3)
-
Step 950
950
#34211F
oklch(27.1% 0.03 25.9)
#A66D69 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) | #797568 | 0.076 |
| Deuteranopia (no green cones) | #868068 | 0.071 |
| Tritanopia (no blue cones) | #B1666C | 0.026 |
| Achromatopsia (no color) | #7C7C7C | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A66D69
#A66D69
oklch(59.4% 0.074 23.9)
- #428B92
#428B92
oklch(59.3% 0.073 203.8)
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 #A66D69, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddish Grey #997570 ΔE 0.028
- Pinkish Brown #B17261 ΔE 0.028
- Mauve #AE7181 ΔE 0.037
- Clay #B66A50 ΔE 0.040
- Dusky Rose #BA6873 ΔE 0.041
- Mocha #9D7651 ΔE 0.050
- Dusty Rose #C0737A ΔE 0.055
- Earth #A2653E ΔE 0.055
Use #A66D69 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.