#A6166B
Closest named color: Red Violet (#9E0168). oklch(48.5% 0.188 351.4), rgb(166, 22, 107).
Aa
White text reads best on this color (7.12:1).
About this color
#A6166B is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.188 and its hue 351°. Its hue sits on the warm side of the wheel. The nearest named color is Red Violet (#9E0168), ΔE 0.025 away. White text reads best on it, at 7.12:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.188) |
| Temperature | warm |
| Nearest name | Red Violet (#9E0168) |
| Black text | 2.94:1 |
| White text | 7.12:1 |
Values
| HEX | #A6166B |
| RGB | rgb(166, 22, 107) |
| HSL | hsl(325, 77%, 37%) |
| OKLCH | oklch(48.5% 0.188 351.4) |
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 #A6166B | 7.12:1 | AAA | Lc -88.0 | Fine for body text |
| Black text on #A6166B | 2.94:1 | Fails | Lc 21.1 | Dividers and decoration only |
| #A6166B text on white | 7.12:1 | AAA | Lc 83.0 | Fine for body text |
| #A6166B text on black | 2.94:1 | Fails | Lc -18.9 | Dividers and decoration only |
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 700.
-
Step 50
50
#FCF2F6
oklch(97% 0.012 351)
-
Step 100
100
#F9E3EC
oklch(93.6% 0.027 350.9)
-
Step 200
200
#F5CCDD
oklch(88.5% 0.051 351.3)
-
Step 300
300
#EFA9C7
oklch(81% 0.09 351.9)
-
Step 400
400
#E377AB
oklch(70.6% 0.146 351.3)
-
Step 500
500
#D84E96
oklch(63.1% 0.187 351.5)
-
Step 600
600
#C32981
oklch(55.6% 0.203 351.2)
-
Step 700
700 (this color)
#A6166B
oklch(48.5% 0.188 351.4)
-
Step 800
800
#881A59
oklch(42.7% 0.155 351.1)
-
Step 900
900
#6E1E49
oklch(37.8% 0.121 351.4)
-
Step 950
950
#41132B
oklch(27% 0.077 351.2)
#A6166B 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) | #36486D | 0.213 |
| Deuteranopia (no green cones) | #5F6168 | 0.186 |
| Tritanopia (no blue cones) | #B30040 | 0.071 |
| Achromatopsia (no color) | #585858 | 0.190 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A6166B
#A6166B
oklch(48.5% 0.188 351.4)
- #007058
#007058
oklch(48.5% 0.095 171.2)
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 #A6166B, closest first.
No curated palette has a color within ΔE 0.04 of #A6166B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Violet #9E0168 ΔE 0.025
- Deep Magenta #A0025C ΔE 0.028
- Dark Fuchsia #9D0759 ΔE 0.034
- Violet Red #A50055 ΔE 0.034
- Berry #990F4B ΔE 0.056
- Raspberry #B00149 ΔE 0.057
- Mulberry #920A4E ΔE 0.061
- Purple Red #990147 ΔE 0.062
Use #A6166B 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.