#6331AB#6331AB
#6331AB is a dark, vivid violet. Relative luminance 0.078; OKLCH L 44.8% C 0.183 H 297.1°. Best body text is #FFFFFF at 8.21:1 contrast (WCAG AA passes).
Color values
| HEX | #6331AB |
|---|---|
| RGB | rgb(99, 49, 171) |
| HSL | hsl(265, 55%, 43%) |
| HSV | hsv(265, 71%, 67%) |
| CMYK | cmyk(42.1%, 71.3%, 0%, 32.9%) |
| CIE-LAB | lab(33.54, 47.94, -56.99) |
| CIE-LCH | lch(33.54, 74.47, 310.07°) |
| OKLab | oklab(44.83% 0.0834 -0.1629) |
| OKLCH | oklch(44.83% 0.183 297.1) |
| XYZ | xyz(13.5927, 7.7893, 39.3075) |
| Luminance | 0.0779 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Rebeccapurple
#663399
ΔE00 3.23
Purple Blue
#5D21D0
ΔE00 5.50
Blue With A Hint Of Purple
#533CC6
ΔE00 5.61
Bluey Purple
#6241C7
ΔE00 5.69
Blurple
#5539CC
ΔE00 5.72
Ocean Blue
#4F42B5
ΔE00 6.01
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#6331AB #79AB31
analogous
#313CAB #6331AB #A031AB
triadic
#6331AB #AB6331 #31AB63
tetradic
#6331AB #AB313C #79AB31 #31ABA0
square
#6331AB #AB313C #79AB31 #31ABA0
split-complementary
#6331AB #ABA031 #3CAB31
monochromatic
#2C164C #47237B #6331AB #814DCC #A37DDA
Accessibility & contrast
On white
8.21
#6331AB on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.56
#6331AB on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #6331AB
8.21:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##6331AB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##6331AB | 1.00 | 8.21 | 2.56 | 8.21 |
| #FFFFFF | 8.21 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.56 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.21 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004FAF
Deuteranopia (green-blind)
#004DA9
Tritanopia (blue-blind)
#514F6B
Achromatopsia (no color)
#4F4F4F
Design tokens & code
CSS
--color: #6331ab; /* rgb */ color: rgb(99, 49, 171); /* oklch */ color: oklch(44.8% 0.183 297.1);
Tailwind
colors: {
custom: {
50: '#966dc5',
500: '#6331ab',
950: '#000000',
},
}SCSS
$custom: #6331ab; $custom-light: #966dc5; $custom-dark: #000000;
JSON
{
"hex": "#6331ab",
"rgb": {
"r": 99,
"g": 49,
"b": 171
},
"hsl": {
"h": 264.59,
"s": 55.455,
"l": 43.137
},
"oklch": {
"l": 0.44833,
"c": 0.18301,
"h": 297.1
},
"luminance": 0.0779
}Semantic roles & 50–950 ramp
primary
#6331AB
secondary
#A3C275
accent
#DF49A1
background
#F9F6FC
surface
#F2ECF8
border
#CCC7D1
text
#0E0713
muted
#7E7A82