#A637C4#A637C4
#A637C4 is a mid, highly saturated purple. Relative luminance 0.148; OKLCH L 55.8% C 0.219 H 318.1°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).
Color values
| HEX | #A637C4 |
|---|---|
| RGB | rgb(166, 55, 196) |
| HSL | hsl(287, 56%, 49%) |
| HSV | hsv(287, 72%, 77%) |
| CMYK | cmyk(15.3%, 71.9%, 0%, 23.1%) |
| CIE-LAB | lab(45.40, 64.27, -52.11) |
| CIE-LCH | lch(45.40, 82.74, 320.96°) |
| OKLab | oklab(55.76% 0.1632 -0.1463) |
| OKLCH | oklch(55.76% 0.219 318.1) |
| XYZ | xyz(27.0545, 14.8261, 53.6505) |
| Luminance | 0.1482 (WCAG relative) |
| Temperature | cool |
| Family | purple |
Closest named colors
Purply
#983FB2
ΔE00 3.33
Darkorchid
#9932CC
ΔE00 3.35
Barney
#AC1DB8
ΔE00 3.63
Vibrant Purple
#AD03DE
ΔE00 4.61
Medium Purple
#9E43A2
ΔE00 5.99
Ugly Purple
#A442A0
ΔE00 6.66
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#A637C4 #55C437
analogous
#6037C4 #A637C4 #C4379C
triadic
#A637C4 #C4A637 #37C4A6
tetradic
#A637C4 #C46037 #55C437 #379CC4
square
#A637C4 #C46037 #55C437 #379CC4
split-complementary
#A637C4 #9CC437 #37C460
monochromatic
#551C64 #7E2A94 #A637C4 #BC65D4 #D194E1
Accessibility & contrast
On white
5.30
#A637C4 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.96
#A637C4 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #A637C4
5.30:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##A637C4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##A637C4 | 1.00 | 5.30 | 3.96 | 5.30 |
| #FFFFFF | 5.30 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.96 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.30 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0064C8
Deuteranopia (green-blind)
#3D6FC1
Tritanopia (blue-blind)
#A5537A
Achromatopsia (no color)
#6B6B6B
Design tokens & code
CSS
--color: #a637c4; /* rgb */ color: rgb(166, 55, 196); /* oklch */ color: oklch(55.8% 0.219 318.1);
Tailwind
colors: {
custom: {
50: '#c478d6',
500: '#a637c4',
950: '#000000',
},
}SCSS
$custom: #a637c4; $custom-light: #c478d6; $custom-dark: #000000;
JSON
{
"hex": "#a637c4",
"rgb": {
"r": 166,
"g": 55,
"b": 196
},
"hsl": {
"h": 287.234,
"s": 56.175,
"l": 49.216
},
"oklch": {
"l": 0.55757,
"c": 0.21921,
"h": 318.1
},
"luminance": 0.14825
}Semantic roles & 50–950 ramp
primary
#A637C4
secondary
#99CC8B
accent
#DF4868
background
#FCF7FD
surface
#F8EEFA
border
#D1C9D3
text
#130A14
muted
#827C83