#A63F63
Closest named color: Light Burgundy (#A8415B). oklch(51.9% 0.14 1.5), rgb(166, 63, 99).
Aa
White text reads best on this color (5.97:1).
About this color
#A63F63 is a medium-dark, moderately saturated red. In OKLCH its lightness is 52%, its chroma 0.140 and its hue 2°. Its hue sits on the warm side of the wheel. The nearest named color is Light Burgundy (#A8415B), ΔE 0.015 away. White text reads best on it, at 5.97:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.140) |
| Temperature | warm |
| Nearest name | Light Burgundy (#A8415B) |
| Black text | 3.51:1 |
| White text | 5.97:1 |
Values
| HEX | #A63F63 |
| RGB | rgb(166, 63, 99) |
| HSL | hsl(339, 45%, 45%) |
| OKLCH | oklch(51.9% 0.14 1.5) |
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 #A63F63 | 5.97:1 | AA | Lc -84.4 | Fine for body text |
| Black text on #A63F63 | 3.51:1 | AA large text | Lc 24.9 | Dividers and decoration only |
| #A63F63 text on white | 5.97:1 | AA | Lc 79.2 | Fine for body text |
| #A63F63 text on black | 3.51:1 | AA large text | Lc -22.6 | 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
#FBF3F5
oklch(97.1% 0.009 0.1)
-
Step 100
100
#F6E5E9
oklch(93.7% 0.019 1.4)
-
Step 200
200
#F0CFD7
oklch(88.4% 0.038 1.6)
-
Step 300
300
#E7AFBD
oklch(80.9% 0.068 2.1)
-
Step 400
400
#D8839C
oklch(70.7% 0.108 1.3)
-
Step 500
500
#CB6284
oklch(63.1% 0.137 1.3)
-
Step 600
600
#B6466D
oklch(55.6% 0.149 1.6)
-
Step 700
700 (this color)
#A63F63
oklch(51.9% 0.14 1.5)
-
Step 800
800
#7F2E4B
oklch(42.7% 0.116 1)
-
Step 900
900
#672A3E
oklch(37.7% 0.09 1.8)
-
Step 950
950
#3C1924
oklch(26.9% 0.057 1.7)
#A63F63 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) | #525764 | 0.155 |
| Deuteranopia (no green cones) | #6D6B61 | 0.142 |
| Tritanopia (no blue cones) | #B3344D | 0.039 |
| Achromatopsia (no color) | #636363 | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A63F63
#A63F63
oklch(51.9% 0.14 1.5)
- #007A6C
#007A6C
oklch(52% 0.094 181.2)
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 #A63F63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Burgundy #A8415B ΔE 0.015
- Light Maroon #A24857 ΔE 0.031
- Dark Rose #B5485D ΔE 0.041
- Dusty Red #B9484E ΔE 0.059
- Light Plum #9D5783 ΔE 0.061
- Dark Mauve #874C62 ΔE 0.062
- Raspberry #B00149 ΔE 0.067
- Dull Red #BB3F3F ΔE 0.067
Use #A63F63 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.