#A63D51
Closest named color: Light Burgundy (#A8415B). oklch(51.1% 0.139 12), rgb(166, 61, 81).
Aa
White text reads best on this color (6.16:1).
About this color
#A63D51 is a medium-dark, moderately saturated red. In OKLCH its lightness is 51%, its chroma 0.139 and its hue 12°. 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 6.16:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.139) |
| Temperature | warm |
| Nearest name | Light Burgundy (#A8415B) |
| Black text | 3.40:1 |
| White text | 6.16:1 |
Values
| HEX | #A63D51 |
| RGB | rgb(166, 61, 81) |
| HSL | hsl(349, 46%, 45%) |
| OKLCH | oklch(51.1% 0.139 12) |
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 #A63D51 | 6.16:1 | AA | Lc -85.2 | Fine for body text |
| Black text on #A63D51 | 3.40:1 | AA large text | Lc 24.1 | Dividers and decoration only |
| #A63D51 text on white | 6.16:1 | AA | Lc 80.0 | Fine for body text |
| #A63D51 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
#F7E5E6
oklch(93.7% 0.02 13.6)
-
Step 200
200
#F1D0D2
oklch(88.6% 0.037 13.7)
-
Step 300
300
#E8AFB5
oklch(80.8% 0.067 11.6)
-
Step 400
400
#DA848F
oklch(70.7% 0.106 11.9)
-
Step 500
500
#CE6273
oklch(63.1% 0.137 12)
-
Step 600
600
#B9465C
oklch(55.6% 0.149 11.8)
-
Step 700
700 (this color)
#A63D51
oklch(51.1% 0.139 12)
-
Step 800
800
#812E3E
oklch(42.6% 0.115 11.7)
-
Step 900
900
#682A35
oklch(37.6% 0.089 11.5)
-
Step 950
950
#3D191F
oklch(26.9% 0.057 11.2)
#A63D51 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) | #555451 | 0.153 |
| Deuteranopia (no green cones) | #70694F | 0.140 |
| Tritanopia (no blue cones) | #B52C45 | 0.036 |
| Achromatopsia (no color) | #616161 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A63D51
#A63D51
oklch(51.1% 0.139 12)
- #007673
#007673
oklch(51.1% 0.088 191.7)
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 #A63D51, 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 0.022
- Dark Rose #B5485D ΔE 0.041
- Dusty Red #B9484E ΔE 0.049
- Dull Red #BB3F3F ΔE 0.050
- Brown #A52A2A ΔE 0.051
- Rouge #AB1239 ΔE 0.056
- Brick #A03623 ΔE 0.057
Use #A63D51 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.