#6331B4#6331B4
#6331B4 is a mid, vivid violet. Relative luminance 0.081; OKLCH L 45.6% C 0.193 H 295.0°. Best body text is #FFFFFF at 7.99:1 contrast (WCAG AA passes).
Color values
| HEX | #6331B4 |
|---|---|
| RGB | rgb(99, 49, 180) |
| HSL | hsl(263, 57%, 45%) |
| HSV | hsv(263, 73%, 71%) |
| CMYK | cmyk(45%, 72.8%, 0%, 29.4%) |
| CIE-LAB | lab(34.28, 50.31, -61.15) |
| CIE-LCH | lch(34.28, 79.19, 309.45°) |
| OKLab | oklab(45.59% 0.0816 -0.1751) |
| OKLCH | oklch(45.59% 0.193 295) |
| XYZ | xyz(14.4799, 8.1442, 43.9802) |
| Luminance | 0.0814 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Purple Blue
#5D21D0
ΔE00 4.34
Blurple
#5539CC
ΔE00 4.53
Rebeccapurple
#663399
ΔE00 4.54
Blue With A Hint Of Purple
#533CC6
ΔE00 4.57
Bluey Purple
#6241C7
ΔE00 4.70
Ocean Blue
#4F42B5
ΔE00 5.56
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#6331B4 #82B431
analogous
#3140B4 #6331B4 #A531B4
triadic
#6331B4 #B46331 #31B463
tetradic
#6331B4 #B43140 #82B431 #31B4A5
square
#6331B4 #B43140 #82B431 #31B4A5
split-complementary
#6331B4 #B4A531 #40B431
monochromatic
#2E1754 #492484 #6331B4 #8252D0 #A582DD
Accessibility & contrast
On white
7.99
#6331B4 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.63
#6331B4 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #6331B4
7.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##6331B4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##6331B4 | 1.00 | 7.99 | 2.63 | 7.99 |
| #FFFFFF | 7.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.63 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0052B8
Deuteranopia (green-blind)
#004FB1
Tritanopia (blue-blind)
#4C5370
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #6331b4; /* rgb */ color: rgb(99, 49, 180); /* oklch */ color: oklch(45.6% 0.193 295.0);
Tailwind
colors: {
custom: {
50: '#976ecb',
500: '#6331b4',
950: '#000000',
},
}SCSS
$custom: #6331b4; $custom-light: #976ecb; $custom-dark: #000000;
JSON
{
"hex": "#6331b4",
"rgb": {
"r": 99,
"g": 49,
"b": 180
},
"hsl": {
"h": 262.901,
"s": 57.205,
"l": 44.902
},
"oklch": {
"l": 0.45589,
"c": 0.19318,
"h": 295
},
"luminance": 0.08145
}Semantic roles & 50–950 ramp
primary
#6331B4
secondary
#A9C67B
accent
#E047A6
background
#F9F6FC
surface
#F2ECF9
border
#CCC7D2
text
#0E0713
muted
#7E7A82