#642BA3#642BA3
#642BA3 is a dark, vivid violet. Relative luminance 0.071; OKLCH L 43.6% C 0.181 H 300.6°. Best body text is #FFFFFF at 8.69:1 contrast (WCAG AA passes).
Color values
| HEX | #642BA3 |
|---|---|
| RGB | rgb(100, 43, 163) |
| HSL | hsl(269, 58%, 40%) |
| HSV | hsv(269, 74%, 64%) |
| CMYK | cmyk(38.7%, 73.6%, 0%, 36.1%) |
| CIE-LAB | lab(31.99, 48.95, -54.70) |
| CIE-LCH | lch(31.99, 73.41, 311.82°) |
| OKLab | oklab(43.56% 0.0924 -0.1561) |
| OKLCH | oklch(43.56% 0.181 300.6) |
| XYZ | xyz(12.7286, 7.0813, 35.3395) |
| Luminance | 0.0708 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Rebeccapurple
#663399
ΔE00 2.53
Purple (survey)
#7E1E9C
ΔE00 5.55
Purple Blue
#5D21D0
ΔE00 6.42
Violet Blue
#510AC9
ΔE00 6.96
Blue With A Hint Of Purple
#533CC6
ΔE00 7.31
Blurple
#5539CC
ΔE00 7.39
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#642BA3 #6AA32B
analogous
#2B2EA3 #642BA3 #A02BA3
triadic
#642BA3 #A3642B #2BA364
tetradic
#642BA3 #A32B2E #6AA32B #2BA3A0
square
#642BA3 #A32B2E #6AA32B #2BA3A0
split-complementary
#642BA3 #A3A02B #2EA32B
monochromatic
#291142 #461E73 #642BA3 #823FCC #A26FD9
Accessibility & contrast
On white
8.69
#642BA3 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.42
#642BA3 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #642BA3
8.69:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##642BA3 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##642BA3 | 1.00 | 8.69 | 2.42 | 8.69 |
| #FFFFFF | 8.69 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.42 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.69 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004BA6
Deuteranopia (green-blind)
#004AA1
Tritanopia (blue-blind)
#564964
Achromatopsia (no color)
#4B4B4B
Design tokens & code
CSS
--color: #642ba3; /* rgb */ color: rgb(100, 43, 163); /* oklch */ color: oklch(43.6% 0.181 300.6);
Tailwind
colors: {
custom: {
50: '#966abf',
500: '#642ba3',
950: '#000000',
},
}SCSS
$custom: #642ba3; $custom-light: #966abf; $custom-dark: #000000;
JSON
{
"hex": "#642ba3",
"rgb": {
"r": 100,
"g": 43,
"b": 163
},
"hsl": {
"h": 268.5,
"s": 58.252,
"l": 40.392
},
"oklch": {
"l": 0.43561,
"c": 0.18138,
"h": 300.6
},
"luminance": 0.07081
}Semantic roles & 50–950 ramp
primary
#642BA3
secondary
#97C06A
accent
#E14698
background
#F9F6FB
surface
#F2EBF7
border
#CCC6D0
text
#0E0712
muted
#7E7A81