#642CA9#642CA9
#642CA9 is a dark, vivid violet. Relative luminance 0.074; OKLCH L 44.2% C 0.187 H 298.8°. Best body text is #FFFFFF at 8.48:1 contrast (WCAG AA passes).
Color values
| HEX | #642CA9 |
|---|---|
| RGB | rgb(100, 44, 169) |
| HSL | hsl(267, 59%, 42%) |
| HSV | hsv(267, 74%, 66%) |
| CMYK | cmyk(40.8%, 74%, 0%, 33.7%) |
| CIE-LAB | lab(32.65, 50.00, -57.25) |
| CIE-LCH | lch(32.65, 76.01, 311.14°) |
| OKLab | oklab(44.18% 0.0901 -0.1636) |
| OKLCH | oklch(44.18% 0.187 298.8) |
| XYZ | xyz(13.3158, 7.3751, 38.2504) |
| Luminance | 0.0737 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Rebeccapurple
#663399
ΔE00 3.16
Purple Blue
#5D21D0
ΔE00 5.55
Purple (survey)
#7E1E9C
ΔE00 6.04
Violet Blue
#510AC9
ΔE00 6.39
Blue With A Hint Of Purple
#533CC6
ΔE00 6.45
Blurple
#5539CC
ΔE00 6.47
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#642CA9 #71A92C
analogous
#2C33A9 #642CA9 #A32CA9
triadic
#642CA9 #A9642C #2CA964
tetradic
#642CA9 #A92C33 #71A92C #2CA9A3
square
#642CA9 #A92C33 #71A92C #2CA9A3
split-complementary
#642CA9 #A9A32C #33A92C
monochromatic
#2B1348 #471F78 #642CA9 #8244CE #A274DB
Accessibility & contrast
On white
8.48
#642CA9 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.47
#642CA9 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #642CA9
8.48:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##642CA9 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##642CA9 | 1.00 | 8.48 | 2.47 | 8.48 |
| #FFFFFF | 8.48 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.47 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.48 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004DAD
Deuteranopia (green-blind)
#004CA7
Tritanopia (blue-blind)
#534C68
Achromatopsia (no color)
#4D4D4D
Design tokens & code
CSS
--color: #642ca9; /* rgb */ color: rgb(100, 44, 169); /* oklch */ color: oklch(44.2% 0.187 298.8);
Tailwind
colors: {
custom: {
50: '#966bc3',
500: '#642ca9',
950: '#000000',
},
}SCSS
$custom: #642ca9; $custom-light: #966bc3; $custom-dark: #000000;
JSON
{
"hex": "#642ca9",
"rgb": {
"r": 100,
"g": 44,
"b": 169
},
"hsl": {
"h": 266.88,
"s": 58.685,
"l": 41.765
},
"oklch": {
"l": 0.44176,
"c": 0.18677,
"h": 298.8
},
"luminance": 0.07375
}Semantic roles & 50–950 ramp
primary
#642CA9
secondary
#9DC36E
accent
#E2469C
background
#F9F6FC
surface
#F2EBF8
border
#CCC6D1
text
#0E0713
muted
#7E7A82