#A1666D
Closest named color: Reddish Grey (#997570). oklch(57.6% 0.077 12), rgb(161, 102, 109).
Aa
Black text reads best on this color (4.63:1).
About this color
#A1666D is a medium-dark, moderately saturated red. In OKLCH its lightness is 58%, its chroma 0.077 and its hue 12°. Its hue sits on the warm side of the wheel. The nearest named color is Reddish Grey (#997570), ΔE 0.040 away. Black text reads best on it, at 4.63:1.
| Hue family | Reds |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.077) |
| Temperature | warm |
| Nearest name | Reddish Grey (#997570) |
| Black text | 4.63:1 |
| White text | 4.52:1 |
Values
| HEX | #A1666D |
| RGB | rgb(161, 102, 109) |
| HSL | hsl(353, 24%, 52%) |
| OKLCH | oklch(57.6% 0.077 12) |
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 #A1666D | 4.52:1 | AA | Lc -76.8 | Fine for body text |
| Black text on #A1666D | 4.63:1 | AA | Lc 32.8 | Non-text elements, placeholder text |
| #A1666D text on white | 4.52:1 | AA | Lc 71.3 | Content text, not long reading |
| #A1666D text on black | 4.63:1 | AA | Lc -30.4 | 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
#F8F4F4
oklch(97% 0.004 17.2)
-
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
#D6B8BB
oklch(80.9% 0.035 11.1)
-
Step 400
400
#C09397
oklch(70.7% 0.055 12.6)
-
Step 500
500
#B0787E
oklch(63.2% 0.071 12.2)
-
Step 600
600 (this color)
#A1666D
oklch(57.6% 0.077 12)
-
Step 700
700
#844F56
oklch(49.1% 0.072 11.5)
-
Step 800
800
#6B4146
oklch(42.6% 0.059 12.1)
-
Step 900
900
#57373B
oklch(37.6% 0.046 11.3)
-
Step 950
950
#332123
oklch(27.1% 0.028 11.8)
#A1666D 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) | #706F6D | 0.083 |
| Deuteranopia (no green cones) | #7E7B6C | 0.078 |
| Tritanopia (no blue cones) | #AC6169 | 0.021 |
| Achromatopsia (no color) | #767676 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A1666D
#A1666D
oklch(57.6% 0.077 12)
- #398885
#398885
oklch(57.7% 0.077 191.8)
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 #A1666D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddish Grey #997570 ΔE 0.040
- Mauve #AE7181 ΔE 0.043
- Dusky Rose #BA6873 ΔE 0.047
- Pinkish Brown #B17261 ΔE 0.051
- Purple Grey #866F85 ΔE 0.055
- Clay #B66A50 ΔE 0.058
- Light Plum #9D5783 ΔE 0.060
- Dusky Purple #895B7B ΔE 0.062
Use #A1666D 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.