#A63C57
Closest named color: Light Burgundy (#A8415B). oklch(51.2% 0.141 8), rgb(166, 60, 87).
Aa
White text reads best on this color (6.16:1).
About this color
#A63C57 is a medium-dark, vivid red. In OKLCH its lightness is 51%, its chroma 0.141 and its hue 8°. Its hue sits on the warm side of the wheel. The nearest named color is Light Burgundy (#A8415B), ΔE 0.011 away. White text reads best on it, at 6.16:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.141) |
| Temperature | warm |
| Nearest name | Light Burgundy (#A8415B) |
| Black text | 3.40:1 |
| White text | 6.16:1 |
Values
| HEX | #A63C57 |
| RGB | rgb(166, 60, 87) |
| HSL | hsl(345, 47%, 44%) |
| OKLCH | oklch(51.2% 0.141 8) |
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 #A63C57 | 6.16:1 | AA | Lc -85.2 | Fine for body text |
| Black text on #A63C57 | 3.40:1 | AA large text | Lc 24.1 | Dividers and decoration only |
| #A63C57 text on white | 6.16:1 | AA | Lc 80.0 | Fine for body text |
| #A63C57 text on black | 3.40:1 | AA large text | Lc -21.8 | 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
#FBF3F4
oklch(97.1% 0.009 8.5)
-
Step 100
100
#F7E5E7
oklch(93.7% 0.02 9.8)
-
Step 200
200
#F1CFD4
oklch(88.5% 0.039 7.9)
-
Step 300
300
#E8AFB8
oklch(80.9% 0.068 8.2)
-
Step 400
400
#DA8394
oklch(70.7% 0.109 7.6)
-
Step 500
500
#CE6179
oklch(63.1% 0.14 8.1)
-
Step 600
600
#B94562
oklch(55.6% 0.151 8.1)
-
Step 700
700 (this color)
#A63C57
oklch(51.2% 0.141 8)
-
Step 800
800
#812D43
oklch(42.6% 0.117 7.5)
-
Step 900
900
#682A38
oklch(37.7% 0.09 8.4)
-
Step 950
950
#3D1921
oklch(26.9% 0.057 7.7)
#A63C57 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) | #535458 | 0.156 |
| Deuteranopia (no green cones) | #6E6955 | 0.143 |
| Tritanopia (no blue cones) | #B42D46 | 0.036 |
| Achromatopsia (no color) | #616161 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A63C57
#A63C57
oklch(51.2% 0.141 8)
- #007770
#007770
oklch(51.3% 0.089 187.6)
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 #A63C57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Burgundy #A8415B ΔE 0.011
- Light Maroon #A24857 ΔE 0.025
- Dark Rose #B5485D ΔE 0.041
- Dusty Red #B9484E ΔE 0.053
- Dull Red #BB3F3F ΔE 0.057
- Rouge #AB1239 ΔE 0.057
- Brown #A52A2A ΔE 0.058
- Raspberry #B00149 ΔE 0.059
Use #A63C57 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.