#A42771
Closest named color: Red Violet (#9E0168). oklch(49.6% 0.175 349.2), rgb(164, 39, 113).
Aa
White text reads best on this color (6.75:1).
About this color
#A42771 is a medium-dark, vivid red. In OKLCH its lightness is 50%, its chroma 0.175 and its hue 349°. Its hue sits on the warm side of the wheel. The nearest named color is Red Violet (#9E0168), ΔE 0.038 away. White text reads best on it, at 6.75:1.
| Hue family | Reds |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.175) |
| Temperature | warm |
| Nearest name | Red Violet (#9E0168) |
| Black text | 3.10:1 |
| White text | 6.75:1 |
Values
| HEX | #A42771 |
| RGB | rgb(164, 39, 113) |
| HSL | hsl(324, 62%, 40%) |
| OKLCH | oklch(49.6% 0.175 349.2) |
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 #A42771 | 6.75:1 | AA | Lc -87.1 | Fine for body text |
| Black text on #A42771 | 3.10:1 | AA large text | Lc 22.0 | Dividers and decoration only |
| #A42771 text on white | 6.75:1 | AA | Lc 82.1 | Fine for body text |
| #A42771 text on black | 3.10:1 | AA large text | Lc -19.8 | 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
#FCF2F7
oklch(97% 0.013 345.5)
-
Step 100
100
#F7E4EC
oklch(93.6% 0.023 350.1)
-
Step 200
200
#F2CDDE
oklch(88.5% 0.047 348.7)
-
Step 300
300
#EBABC9
oklch(81% 0.084 349.4)
-
Step 400
400
#DE7BAE
oklch(70.7% 0.136 349)
-
Step 500
500
#D25599
oklch(63.1% 0.173 349.4)
-
Step 600
600
#BD3584
oklch(55.7% 0.188 349.3)
-
Step 700
700 (this color)
#A42771
oklch(49.6% 0.175 349.2)
-
Step 800
800
#84225B
oklch(42.7% 0.144 349.3)
-
Step 900
900
#6A224B
oklch(37.6% 0.113 348.7)
-
Step 950
950
#3F152C
oklch(27% 0.072 349)
#A42771 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) | #3B4D73 | 0.196 |
| Deuteranopia (no green cones) | #60636E | 0.171 |
| Tritanopia (no blue cones) | #B02049 | 0.067 |
| Achromatopsia (no color) | #5B5B5B | 0.177 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A42771
#A42771
oklch(49.6% 0.175 349.2)
- #007458
#007458
oklch(49.7% 0.1 168.7)
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 #A42771, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Violet #9E0168 ΔE 0.038
- Deep Magenta #A0025C ΔE 0.042
- Dark Fuchsia #9D0759 ΔE 0.046
- Violet Red #A50055 ΔE 0.047
- Warm Purple #952E8F ΔE 0.058
- Berry #990F4B ΔE 0.064
- Raspberry #B00149 ΔE 0.065
- Light Burgundy #A8415B ΔE 0.068
Use #A42771 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.