#6331AC#6331AC
#6331AC is a dark, vivid violet. Relative luminance 0.078; OKLCH L 44.9% C 0.184 H 296.9°. Best body text is #FFFFFF at 8.19:1 contrast (WCAG AA passes).
Color values
| HEX | #6331AC |
|---|---|
| RGB | rgb(99, 49, 172) |
| HSL | hsl(264, 56%, 43%) |
| HSV | hsv(264, 72%, 67%) |
| CMYK | cmyk(42.4%, 71.5%, 0%, 32.5%) |
| CIE-LAB | lab(33.62, 48.20, -57.46) |
| CIE-LCH | lch(33.62, 75.00, 309.99°) |
| OKLab | oklab(44.92% 0.0832 -0.1643) |
| OKLCH | oklch(44.92% 0.184 296.9) |
| XYZ | xyz(13.6883, 7.8276, 39.8114) |
| Luminance | 0.0783 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Rebeccapurple
#663399
ΔE00 3.38
Purple Blue
#5D21D0
ΔE00 5.36
Blue With A Hint Of Purple
#533CC6
ΔE00 5.48
Bluey Purple
#6241C7
ΔE00 5.57
Blurple
#5539CC
ΔE00 5.58
Ocean Blue
#4F42B5
ΔE00 5.95
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#6331AC #7AAC31
analogous
#313DAC #6331AC #A031AC
triadic
#6331AC #AC6331 #31AC63
tetradic
#6331AC #AC313D #7AAC31 #31ACA0
square
#6331AC #AC313D #7AAC31 #31ACA0
split-complementary
#6331AC #ACA031 #3DAC31
monochromatic
#2C164D #48237C #6331AC #814ECC #A37DDA
Accessibility & contrast
On white
8.19
#6331AC on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.57
#6331AC on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #6331AC
8.19:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##6331AC | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##6331AC | 1.00 | 8.19 | 2.57 | 8.19 |
| #FFFFFF | 8.19 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.57 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.19 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0050B0
Deuteranopia (green-blind)
#004DAA
Tritanopia (blue-blind)
#50506B
Achromatopsia (no color)
#4F4F4F
Design tokens & code
CSS
--color: #6331ac; /* rgb */ color: rgb(99, 49, 172); /* oklch */ color: oklch(44.9% 0.184 296.9);
Tailwind
colors: {
custom: {
50: '#966dc6',
500: '#6331ac',
950: '#000000',
},
}SCSS
$custom: #6331ac; $custom-light: #966dc6; $custom-dark: #000000;
JSON
{
"hex": "#6331ac",
"rgb": {
"r": 99,
"g": 49,
"b": 172
},
"hsl": {
"h": 264.39,
"s": 55.656,
"l": 43.333
},
"oklch": {
"l": 0.44916,
"c": 0.18416,
"h": 296.9
},
"luminance": 0.07828
}Semantic roles & 50–950 ramp
primary
#6331AC
secondary
#A4C376
accent
#DF49A2
background
#F9F6FC
surface
#F2ECF8
border
#CCC7D1
text
#0E0713
muted
#7E7A82