#A63172
Closest named color: Red Violet (#9E0168). oklch(50.8% 0.165 350.4), rgb(166, 49, 114).
Aa
White text reads best on this color (6.35:1).
About this color
#A63172 is a medium-dark, vivid red. In OKLCH its lightness is 51%, its chroma 0.165 and its hue 350°. Its hue sits on the warm side of the wheel. The nearest named color is Red Violet (#9E0168), ΔE 0.054 away. White text reads best on it, at 6.35:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.165) |
| Temperature | warm |
| Nearest name | Red Violet (#9E0168) |
| Black text | 3.30:1 |
| White text | 6.35:1 |
Values
| HEX | #A63172 |
| RGB | rgb(166, 49, 114) |
| HSL | hsl(327, 54%, 42%) |
| OKLCH | oklch(50.8% 0.165 350.4) |
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 #A63172 | 6.35:1 | AA | Lc -85.8 | Fine for body text |
| Black text on #A63172 | 3.30:1 | AA large text | Lc 23.4 | Dividers and decoration only |
| #A63172 text on white | 6.35:1 | AA | Lc 80.6 | Fine for body text |
| #A63172 text on black | 3.30:1 | AA large text | Lc -21.2 | 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
#FCF3F6
oklch(97.2% 0.01 354.9)
-
Step 100
100
#F7E4EC
oklch(93.6% 0.023 350.1)
-
Step 200
200
#F1CEDD
oklch(88.5% 0.044 350.3)
-
Step 300
300
#E9ACC7
oklch(80.9% 0.079 350.8)
-
Step 400
400
#DC7EAB
oklch(70.8% 0.127 350.7)
-
Step 500
500
#CF5996
oklch(63.1% 0.163 350.6)
-
Step 600
600
#BA3A81
oklch(55.5% 0.178 350.3)
-
Step 700
700 (this color)
#A63172
oklch(50.8% 0.165 350.4)
-
Step 800
800
#822659
oklch(42.7% 0.136 350.3)
-
Step 900
900
#692549
oklch(37.8% 0.106 350.5)
-
Step 950
950
#3E162B
oklch(27% 0.069 350)
#A63172 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) | #435274 | 0.183 |
| Deuteranopia (no green cones) | #64676F | 0.164 |
| Tritanopia (no blue cones) | #B22A4D | 0.061 |
| Achromatopsia (no color) | #5F5F5F | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A63172
#A63172
oklch(50.8% 0.165 350.4)
- #00785D
#00785D
oklch(50.9% 0.101 170.1)
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 #A63172, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Violet #9E0168 ΔE 0.054
- Light Burgundy #A8415B ΔE 0.055
- Deep Magenta #A0025C ΔE 0.055
- Violet Red #A50055 ΔE 0.057
- Dark Fuchsia #9D0759 ΔE 0.058
- Warm Purple #952E8F ΔE 0.063
- Light Eggplant #894585 ΔE 0.066
- Raspberry #B00149 ΔE 0.067
Use #A63172 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.