#A63D3F
Closest named color: Light Maroon (#A24857). oklch(50.7% 0.139 22.4), rgb(166, 61, 63).
Aa
White text reads best on this color (6.24:1).
About this color
#A63D3F is a medium-dark, moderately saturated red. In OKLCH its lightness is 51%, its chroma 0.139 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Light Maroon (#A24857), ΔE 0.034 away. White text reads best on it, at 6.24:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.139) |
| Temperature | warm |
| Nearest name | Light Maroon (#A24857) |
| Black text | 3.36:1 |
| White text | 6.24:1 |
Values
| HEX | #A63D3F |
| RGB | rgb(166, 61, 63) |
| HSL | hsl(359, 46%, 45%) |
| OKLCH | oklch(50.7% 0.139 22.4) |
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 #A63D3F | 6.24:1 | AA | Lc -85.5 | Fine for body text |
| Black text on #A63D3F | 3.36:1 | AA large text | Lc 23.7 | Dividers and decoration only |
| #A63D3F text on white | 6.24:1 | AA | Lc 80.4 | Fine for body text |
| #A63D3F text on black | 3.36:1 | 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
#FBF3F3
oklch(97% 0.009 17.3)
-
Step 100
100
#F7E5E4
oklch(93.6% 0.02 21.4)
-
Step 200
200
#F1D0CE
oklch(88.5% 0.037 22)
-
Step 300
300
#E9B0AD
oklch(80.9% 0.067 22.1)
-
Step 400
400
#DC8582
oklch(70.8% 0.108 22.3)
-
Step 500
500
#CF6362
oklch(63% 0.137 22.3)
-
Step 600
600
#BB4749
oklch(55.6% 0.15 22.4)
-
Step 700
700 (this color)
#A63D3F
oklch(50.7% 0.139 22.4)
-
Step 800
800
#822F31
oklch(42.6% 0.115 22)
-
Step 900
900
#692B2B
oklch(37.7% 0.089 22.3)
-
Step 950
950
#3E1A19
oklch(27% 0.057 23.2)
#A63D3F 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) | #58523E | 0.149 |
| Deuteranopia (no green cones) | #72693C | 0.139 |
| Tritanopia (no blue cones) | #B6283F | 0.040 |
| Achromatopsia (no color) | #606060 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A63D3F
#A63D3F
oklch(50.7% 0.139 22.4)
- #00737B
#00737B
oklch(50.6% 0.086 203.3)
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 #A63D3F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Maroon #A24857 ΔE 0.034
- Brick #A03623 ΔE 0.034
- Brown #A52A2A ΔE 0.035
- Light Burgundy #A8415B ΔE 0.039
- Dull Red #BB3F3F ΔE 0.043
- Firebrick #B22222 ΔE 0.044
- Rusty Red #AF2F0D ΔE 0.045
- Dusty Red #B9484E ΔE 0.049
Use #A63D3F 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.