#A3638B
Closest named color: Light Plum (#9D5783). oklch(58.3% 0.098 342.5), rgb(163, 99, 139).
Aa
Black text reads best on this color (4.71:1).
About this color
#A3638B is a medium-dark, moderately saturated pink. In OKLCH its lightness is 58%, its chroma 0.098 and its hue 342°. Its hue sits on the warm side of the wheel. The nearest named color is Light Plum (#9D5783), ΔE 0.032 away. Black text reads best on it, at 4.71:1.
| Hue family | Pinks |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.098) |
| Temperature | warm |
| Nearest name | Light Plum (#9D5783) |
| Black text | 4.71:1 |
| White text | 4.45:1 |
Values
| HEX | #A3638B |
| RGB | rgb(163, 99, 139) |
| HSL | hsl(323, 26%, 51%) |
| OKLCH | oklch(58.3% 0.098 342.5) |
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 #A3638B | 4.45:1 | AA large text | Lc -76.2 | Fine for body text |
| Black text on #A3638B | 4.71:1 | AA | Lc 33.4 | Non-text elements, placeholder text |
| #A3638B text on white | 4.45:1 | AA large text | Lc 70.7 | Content text, not long reading |
| #A3638B text on black | 4.71:1 | AA | Lc -31.0 | Non-text elements, placeholder text |
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
#F8F4F6
oklch(97.1% 0.005 345.3)
-
Step 100
100
#F0E7EC
oklch(93.6% 0.012 342.6)
-
Step 200
200
#E5D3DD
oklch(88.4% 0.024 343)
-
Step 300
300
#D6B6C8
oklch(80.9% 0.044 343.3)
-
Step 400
400
#C08FAD
oklch(70.6% 0.071 341.8)
-
Step 500
500
#AF7398
oklch(63% 0.09 342.4)
-
Step 600
600 (this color)
#A3638B
oklch(58.3% 0.098 342.5)
-
Step 700
700
#844B6F
oklch(49.2% 0.091 342.5)
-
Step 800
800
#6B3E5A
oklch(42.8% 0.074 342.7)
-
Step 900
900
#57354A
oklch(37.7% 0.058 342.6)
-
Step 950
950
#331F2B
oklch(27% 0.037 343.1)
#A3638B 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) | #66718C | 0.102 |
| Deuteranopia (no green cones) | #777B89 | 0.092 |
| Tritanopia (no blue cones) | #AA6371 | 0.042 |
| Achromatopsia (no color) | #777777 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3638B
#A3638B
oklch(58.3% 0.098 342.5)
- #3B8D6A
#3B8D6A
oklch(58.3% 0.097 162.7)
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 #A3638B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Plum #9D5783 ΔE 0.032
- Faded Purple #916E99 ΔE 0.040
- Dark Lilac #9C6DA5 ΔE 0.042
- Mauve #AE7181 ΔE 0.050
- Dark Lavender #856798 ΔE 0.054
- Dusky Purple #895B7B ΔE 0.057
- Purple Grey #866F85 ΔE 0.058
- Grey Purple #826D8C ΔE 0.059
Use #A3638B 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.