#A40B66
Closest named color: Red Violet (#9E0168). oklch(47.5% 0.191 352.6), rgb(164, 11, 102).
Aa
White text reads best on this color (7.45:1).
About this color
#A40B66 is a medium-dark, vivid red. In OKLCH its lightness is 48%, its chroma 0.191 and its hue 353°. Its hue sits on the warm side of the wheel. The nearest named color is Red Violet (#9E0168), ΔE 0.017 away. White text reads best on it, at 7.45:1.
| Hue family | Reds |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.191) |
| Temperature | warm |
| Nearest name | Red Violet (#9E0168) |
| Black text | 2.81:1 |
| White text | 7.45:1 |
Values
| HEX | #A40B66 |
| RGB | rgb(164, 11, 102) |
| HSL | hsl(324, 87%, 34%) |
| OKLCH | oklch(47.5% 0.191 352.6) |
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 #A40B66 | 7.45:1 | AAA | Lc -88.8 | Fine for body text |
| Black text on #A40B66 | 2.81:1 | Fails | Lc 20.2 | Dividers and decoration only |
| #A40B66 text on white | 7.45:1 | AAA | Lc 83.9 | Fine for body text |
| #A40B66 text on black | 2.81:1 | Fails | Lc -18.1 | 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
#FDF2F6
oklch(97.1% 0.013 353.1)
-
Step 100
100
#F9E3EB
oklch(93.6% 0.026 353.5)
-
Step 200
200
#F5CCDC
oklch(88.5% 0.05 352.8)
-
Step 300
300
#F0A8C6
oklch(80.9% 0.092 352.7)
-
Step 400
400
#E576A9
oklch(70.7% 0.148 352.7)
-
Step 500
500
#DA4D94
oklch(63.2% 0.189 352.7)
-
Step 600
600
#C5277E
oklch(55.6% 0.205 352.8)
-
Step 700
700 (this color)
#A40B66
oklch(47.5% 0.191 352.6)
-
Step 800
800
#8A1757
oklch(42.7% 0.159 352.6)
-
Step 900
900
#6F1D48
oklch(37.8% 0.123 352.4)
-
Step 950
950
#41132A
oklch(27% 0.077 352.4)
#A40B66 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) | #334468 | 0.217 |
| Deuteranopia (no green cones) | #5D5E63 | 0.189 |
| Tritanopia (no blue cones) | #B1003B | 0.073 |
| Achromatopsia (no color) | #555555 | 0.192 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A40B66
#A40B66
oklch(47.5% 0.191 352.6)
- #006D57
#006D57
oklch(47.6% 0.092 172.4)
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 #A40B66, closest first.
No curated palette has a color within ΔE 0.04 of #A40B66.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Violet #9E0168 ΔE 0.017
- Deep Magenta #A0025C ΔE 0.018
- Dark Fuchsia #9D0759 ΔE 0.025
- Violet Red #A50055 ΔE 0.027
- Berry #990F4B ΔE 0.048
- Mulberry #920A4E ΔE 0.052
- Purple Red #990147 ΔE 0.053
- Raspberry #B00149 ΔE 0.054
Use #A40B66 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.