#A10C54
Closest named color: Violet Red (#A50055). oklch(46.3% 0.181 0.4), rgb(161, 12, 84).
Aa
White text reads best on this color (7.78:1).
About this color
#A10C54 is a medium-dark, vivid red. In OKLCH its lightness is 46%, its chroma 0.181 and its hue 0°. Its hue sits on the warm side of the wheel. The nearest named color is Violet Red (#A50055), ΔE 0.009 away. White text reads best on it, at 7.78:1.
| Hue family | Reds |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.181) |
| Temperature | warm |
| Nearest name | Violet Red (#A50055) |
| Black text | 2.69:1 |
| White text | 7.78:1 |
Values
| HEX | #A10C54 |
| RGB | rgb(161, 12, 84) |
| HSL | hsl(331, 86%, 34%) |
| OKLCH | oklch(46.3% 0.181 0.4) |
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 #A10C54 | 7.78:1 | AAA | Lc -89.9 | Fine for body text |
| Black text on #A10C54 | 2.69:1 | Fails | Lc 19.0 | Dividers and decoration only |
| #A10C54 text on white | 7.78:1 | AAA | Lc 85.1 | Fine for body text |
| #A10C54 text on black | 2.69:1 | Fails | Lc -17.0 | 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
#FDF2F5
oklch(97.1% 0.012 358.8)
-
Step 100
100
#F9E3E9
oklch(93.5% 0.025 359.2)
-
Step 200
200
#F6CCD7
oklch(88.4% 0.049 0.6)
-
Step 300
300
#F1A9BE
oklch(80.9% 0.088 0.2)
-
Step 400
400
#E6789C
oklch(70.7% 0.141 0.5)
-
Step 500
500
#DB5084
oklch(63.1% 0.179 0.5)
-
Step 600
600
#C62C6E
oklch(55.6% 0.195 0.3)
-
Step 700
700 (this color)
#A10C54
oklch(46.3% 0.181 0.4)
-
Step 800
800
#8B1B4B
oklch(42.8% 0.151 0.5)
-
Step 900
900
#701F3F
oklch(37.8% 0.117 0.3)
-
Step 950
950
#421425
oklch(27.1% 0.074 0.3)
#A10C54 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) | #384155 | 0.207 |
| Deuteranopia (no green cones) | #5F5C51 | 0.184 |
| Tritanopia (no blue cones) | #AF0031 | 0.060 |
| Achromatopsia (no color) | #525252 | 0.183 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A10C54
#A10C54
oklch(46.3% 0.181 0.4)
- #00685B
#00685B
oklch(46.4% 0.084 180.3)
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 #A10C54, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Violet Red #A50055 ΔE 0.009
- Dark Fuchsia #9D0759 ΔE 0.014
- Deep Magenta #A0025C ΔE 0.016
- Berry #990F4B ΔE 0.021
- Purple Red #990147 ΔE 0.026
- Mulberry #920A4E ΔE 0.034
- Raspberry #B00149 ΔE 0.036
- Red Violet #9E0168 ΔE 0.037
Use #A10C54 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.