#A66A74
Closest named color: Mauve (#AE7181). oklch(59.1% 0.078 8.8), rgb(166, 106, 116).
Aa
Black text reads best on this color (4.93:1).
About this color
#A66A74 is a medium-dark, moderately saturated red. In OKLCH its lightness is 59%, its chroma 0.078 and its hue 9°. Its hue sits on the warm side of the wheel. The nearest named color is Mauve (#AE7181), ΔE 0.028 away. Black text reads best on it, at 4.93:1.
| Hue family | Reds |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.078) |
| Temperature | warm |
| Nearest name | Mauve (#AE7181) |
| Black text | 4.93:1 |
| White text | 4.25:1 |
Values
| HEX | #A66A74 |
| RGB | rgb(166, 106, 116) |
| HSL | hsl(350, 25%, 53%) |
| OKLCH | oklch(59.1% 0.078 8.8) |
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 #A66A74 | 4.25:1 | AA large text | Lc -74.7 | Content text, not long reading |
| Black text on #A66A74 | 4.93:1 | AA | Lc 34.8 | Non-text elements, placeholder text |
| #A66A74 text on white | 4.25:1 | AA large text | Lc 69.3 | Content text, not long reading |
| #A66A74 text on black | 4.93:1 | AA | Lc -32.4 | 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
#F8F4F5
oklch(97.1% 0.004 360)
-
Step 100
100
#F0E7E8
oklch(93.5% 0.01 9.5)
-
Step 200
200
#E5D4D6
oklch(88.4% 0.019 9.4)
-
Step 300
300
#D6B8BC
oklch(81% 0.035 8.8)
-
Step 400
400
#C09399
oklch(70.7% 0.055 9.6)
-
Step 500
500
#B07780
oklch(63% 0.072 9)
-
Step 600
600 (this color)
#A66A74
oklch(59.1% 0.078 8.8)
-
Step 700
700
#844F58
oklch(49.1% 0.072 9.1)
-
Step 800
800
#6B4148
oklch(42.7% 0.059 9)
-
Step 900
900
#57373C
oklch(37.6% 0.046 9.3)
-
Step 950
950
#332023
oklch(26.9% 0.03 8.9)
#A66A74 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) | #747474 | 0.084 |
| Deuteranopia (no green cones) | #827F73 | 0.079 |
| Tritanopia (no blue cones) | #B0656E | 0.020 |
| Achromatopsia (no color) | #7B7B7B | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A66A74
#A66A74
oklch(59.1% 0.078 8.8)
- #3E8D87
#3E8D87
oklch(59.3% 0.078 188.6)
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 #A66A74, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mauve #AE7181 ΔE 0.028
- Dusky Rose #BA6873 ΔE 0.035
- Reddish Grey #997570 ΔE 0.037
- Pinkish Brown #B17261 ΔE 0.045
- Dusty Rose #C0737A ΔE 0.054
- Clay #B66A50 ΔE 0.056
- Purple Grey #866F85 ΔE 0.057
- English Lavender #9D8189 ΔE 0.059
Use #A66A74 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.