#A51C6B
Closest named color: Red Violet (#9E0168). oklch(48.7% 0.183 351.5), rgb(165, 28, 107).
Aa
White text reads best on this color (7.05:1).
About this color
#A51C6B is a medium-dark, vivid red. In OKLCH its lightness is 49%, its chroma 0.183 and its hue 352°. Its hue sits on the warm side of the wheel. The nearest named color is Red Violet (#9E0168), ΔE 0.027 away. White text reads best on it, at 7.05:1.
| Hue family | Reds |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.183) |
| Temperature | warm |
| Nearest name | Red Violet (#9E0168) |
| Black text | 2.97:1 |
| White text | 7.05:1 |
Values
| HEX | #A51C6B |
| RGB | rgb(165, 28, 107) |
| HSL | hsl(325, 71%, 38%) |
| OKLCH | oklch(48.7% 0.183 351.5) |
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 #A51C6B | 7.05:1 | AAA | Lc -87.9 | Fine for body text |
| Black text on #A51C6B | 2.97:1 | Fails | Lc 21.1 | Dividers and decoration only |
| #A51C6B text on white | 7.05:1 | AAA | Lc 82.9 | Fine for body text |
| #A51C6B text on black | 2.97:1 | Fails | Lc -19.0 | 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
#FCF2F6
oklch(97% 0.012 351)
-
Step 100
100
#F8E3EC
oklch(93.5% 0.026 349.8)
-
Step 200
200
#F4CCDD
oklch(88.4% 0.05 350.7)
-
Step 300
300
#EEA9C7
oklch(80.9% 0.089 351.5)
-
Step 400
400
#E279AB
oklch(70.8% 0.142 351.4)
-
Step 500
500
#D65196
oklch(63.1% 0.181 351.4)
-
Step 600
600
#C12E80
oklch(55.6% 0.196 351.5)
-
Step 700
700 (this color)
#A51C6B
oklch(48.7% 0.183 351.5)
-
Step 800
800
#871D58
oklch(42.7% 0.151 351.6)
-
Step 900
900
#6D1F49
oklch(37.7% 0.119 351.1)
-
Step 950
950
#40142A
oklch(27% 0.074 352.1)
#A51C6B 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) | #38496D | 0.207 |
| Deuteranopia (no green cones) | #5F6168 | 0.181 |
| Tritanopia (no blue cones) | #B20A42 | 0.068 |
| Achromatopsia (no color) | #595959 | 0.185 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A51C6B
#A51C6B
oklch(48.7% 0.183 351.5)
- #007059
#007059
oklch(48.6% 0.094 172)
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 #A51C6B, closest first.
No curated palette has a color within ΔE 0.04 of #A51C6B.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Violet #9E0168 ΔE 0.027
- Deep Magenta #A0025C ΔE 0.030
- Dark Fuchsia #9D0759 ΔE 0.035
- Violet Red #A50055 ΔE 0.035
- Berry #990F4B ΔE 0.055
- Raspberry #B00149 ΔE 0.056
- Mulberry #920A4E ΔE 0.061
- Purple Red #990147 ΔE 0.061
Use #A51C6B 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.