#A63B4F
Closest named color: Light Burgundy (#A8415B). oklch(50.8% 0.141 12.5), rgb(166, 59, 79).
Aa
White text reads best on this color (6.25:1).
About this color
#A63B4F is a medium-dark, vivid red. In OKLCH its lightness is 51%, its chroma 0.141 and its hue 12°. Its hue sits on the warm side of the wheel. The nearest named color is Light Burgundy (#A8415B), ΔE 0.019 away. White text reads best on it, at 6.25:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.141) |
| Temperature | warm |
| Nearest name | Light Burgundy (#A8415B) |
| Black text | 3.35:1 |
| White text | 6.25:1 |
Values
| HEX | #A63B4F |
| RGB | rgb(166, 59, 79) |
| HSL | hsl(349, 48%, 44%) |
| OKLCH | oklch(50.8% 0.141 12.5) |
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 #A63B4F | 6.25:1 | AA | Lc -85.5 | Fine for body text |
| Black text on #A63B4F | 3.35:1 | AA large text | Lc 23.7 | Dividers and decoration only |
| #A63B4F text on white | 6.25:1 | AA | Lc 80.3 | Fine for body text |
| #A63B4F text on black | 3.35:1 | AA large text | Lc -21.5 | 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
#F1CFD2
oklch(88.4% 0.038 11.9)
-
Step 300
300
#E9AFB4
oklch(80.9% 0.068 12.9)
-
Step 400
400
#DB838E
oklch(70.6% 0.109 12.2)
-
Step 500
500
#CF6172
oklch(63% 0.14 12.3)
-
Step 600
600
#BA455A
oklch(55.5% 0.151 12.7)
-
Step 700
700 (this color)
#A63B4F
oklch(50.8% 0.141 12.5)
-
Step 800
800
#822D3D
oklch(42.6% 0.117 12.3)
-
Step 900
900
#692A34
oklch(37.7% 0.091 12.7)
-
Step 950
950
#3E191F
oklch(27% 0.058 11.6)
#A63B4F 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) | #54534F | 0.155 |
| Deuteranopia (no green cones) | #6F694C | 0.145 |
| Tritanopia (no blue cones) | #B52943 | 0.036 |
| Achromatopsia (no color) | #606060 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A63B4F
#A63B4F
oklch(50.8% 0.141 12.5)
- #007573
#007573
oklch(50.8% 0.087 192.7)
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 #A63B4F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Burgundy #A8415B ΔE 0.019
- Light Maroon #A24857 ΔE 0.025
- Dark Rose #B5485D ΔE 0.044
- Brown #A52A2A ΔE 0.048
- Dusty Red #B9484E ΔE 0.051
- Dull Red #BB3F3F ΔE 0.051
- Rouge #AB1239 ΔE 0.052
- Brick #A03623 ΔE 0.055
Use #A63B4F 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.