#A01B57
Closest named color: Violet Red (#A50055). oklch(47% 0.172 359.9), rgb(160, 27, 87).
Aa
White text reads best on this color (7.52:1).
About this color
#A01B57 is a medium-dark, vivid red. In OKLCH its lightness is 47%, its chroma 0.172 and its hue 360°. Its hue sits on the warm side of the wheel. The nearest named color is Violet Red (#A50055), ΔE 0.018 away. White text reads best on it, at 7.52:1.
| Hue family | Reds |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.172) |
| Temperature | warm |
| Nearest name | Violet Red (#A50055) |
| Black text | 2.78:1 |
| White text | 7.52:1 |
Values
| HEX | #A01B57 |
| RGB | rgb(160, 27, 87) |
| HSL | hsl(333, 71%, 37%) |
| OKLCH | oklch(47% 0.172 359.9) |
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 #A01B57 | 7.52:1 | AAA | Lc -89.5 | Fine for body text |
| Black text on #A01B57 | 2.78:1 | Fails | Lc 19.4 | Dividers and decoration only |
| #A01B57 text on white | 7.52:1 | AAA | Lc 84.6 | Fine for body text |
| #A01B57 text on black | 2.78:1 | Fails | Lc -17.4 | 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
#FCF2F5
oklch(97% 0.011 357)
-
Step 100
100
#F9E4E9
oklch(93.7% 0.024 1.3)
-
Step 200
200
#F4CDD8
oklch(88.5% 0.046 359.2)
-
Step 300
300
#EEAABE
oklch(80.8% 0.083 359.9)
-
Step 400
400
#E37B9D
oklch(70.8% 0.133 0.2)
-
Step 500
500
#D75485
oklch(63% 0.17 360)
-
Step 600
600
#C2336F
oklch(55.5% 0.185 359.8)
-
Step 700
700 (this color)
#A01B57
oklch(47% 0.172 359.9)
-
Step 800
800
#88214C
oklch(42.8% 0.142 359.9)
-
Step 900
900
#6D223F
oklch(37.7% 0.11 0)
-
Step 950
950
#401525
oklch(26.9% 0.07 359.7)
#A01B57 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) | #3C4458 | 0.195 |
| Deuteranopia (no green cones) | #605D54 | 0.173 |
| Tritanopia (no blue cones) | #AE0037 | 0.053 |
| Achromatopsia (no color) | #545454 | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A01B57
#A01B57
oklch(47% 0.172 359.9)
- #006A5C
#006A5C
oklch(47% 0.085 179.5)
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 #A01B57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Violet Red #A50055 ΔE 0.018
- Dark Fuchsia #9D0759 ΔE 0.020
- Deep Magenta #A0025C ΔE 0.022
- Berry #990F4B ΔE 0.025
- Purple Red #990147 ΔE 0.033
- Mulberry #920A4E ΔE 0.038
- Raspberry #B00149 ΔE 0.038
- Red Violet #9E0168 ΔE 0.039
Use #A01B57 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.