#A3537A
Closest named color: Light Plum (#9D5783). oklch(55.1% 0.115 351), rgb(163, 83, 122).
Aa
White text reads best on this color (5.15:1).
About this color
#A3537A is a medium-dark, moderately saturated red. In OKLCH its lightness is 55%, its chroma 0.115 and its hue 351°. Its hue sits on the warm side of the wheel. The nearest named color is Light Plum (#9D5783), ΔE 0.017 away. White text reads best on it, at 5.15:1.
| Hue family | Reds |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.115) |
| Temperature | warm |
| Nearest name | Light Plum (#9D5783) |
| Black text | 4.07:1 |
| White text | 5.15:1 |
Values
| HEX | #A3537A |
| RGB | rgb(163, 83, 122) |
| HSL | hsl(331, 33%, 48%) |
| OKLCH | oklch(55.1% 0.115 351) |
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 #A3537A | 5.15:1 | AA | Lc -80.5 | Fine for body text |
| Black text on #A3537A | 4.07:1 | AA large text | Lc 28.9 | Dividers and decoration only |
| #A3537A text on white | 5.15:1 | AA | Lc 75.2 | Fine for body text |
| #A3537A text on black | 4.07:1 | AA large text | Lc -26.6 | 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 600.
-
Step 50
50
#F9F4F6
oklch(97.2% 0.006 350.8)
-
Step 100
100
#F2E6EB
oklch(93.6% 0.015 350.1)
-
Step 200
200
#E9D2DB
oklch(88.5% 0.028 352)
-
Step 300
300
#DCB3C5
oklch(80.8% 0.053 350.1)
-
Step 400
400
#C98BA7
oklch(70.6% 0.084 350.8)
-
Step 500
500
#BA6E91
oklch(63.2% 0.105 351.5)
-
Step 600
600 (this color)
#A3537A
oklch(55.1% 0.115 351)
-
Step 700
700
#8D4568
oklch(49.2% 0.106 351.2)
-
Step 800
800
#733955
oklch(42.8% 0.089 351.2)
-
Step 900
900
#5D3146
oklch(37.7% 0.07 351)
-
Step 950
950
#371D29
oklch(27% 0.045 351.4)
#A3537A 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) | #5C657B | 0.125 |
| Deuteranopia (no green cones) | #717378 | 0.114 |
| Tritanopia (no blue cones) | #AD5061 | 0.041 |
| Achromatopsia (no color) | #6D6D6D | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3537A
#A3537A
oklch(55.1% 0.115 351)
- #008669
#008669
oklch(55.2% 0.109 170.6)
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 #A3537A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Plum #9D5783 ΔE 0.017
- Dusky Purple #895B7B ΔE 0.049
- Light Burgundy #A8415B ΔE 0.051
- Light Maroon #A24857 ΔE 0.052
- Dark Rose #B5485D ΔE 0.053
- Dull Purple #84597E ΔE 0.057
- Dusty Purple #825F87 ΔE 0.063
- Muted Purple #805B87 ΔE 0.065
Use #A3537A 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.