#331C63#331C63
#331C63 is a dark, moderate violet. Relative luminance 0.024; OKLCH L 30.3% C 0.118 H 292.8°. Best body text is #FFFFFF at 14.12:1 contrast (WCAG AA passes).
Color values
| HEX | #331C63 |
|---|---|
| RGB | rgb(51, 28, 99) |
| HSL | hsl(259, 56%, 25%) |
| HSV | hsv(259, 72%, 39%) |
| CMYK | cmyk(48.5%, 71.7%, 0%, 61.2%) |
| CIE-LAB | lab(17.62, 29.46, -38.08) |
| CIE-LCH | lch(17.62, 48.14, 307.73°) |
| OKLab | oklab(30.27% 0.0459 -0.109) |
| OKLCH | oklch(30.27% 0.118 292.8) |
| XYZ | xyz(4.0320, 2.4350, 12.0595) |
| Luminance | 0.0244 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Dark Indigo
#1F0954
ΔE00 5.06
Midnight Blue
#191970
ΔE00 5.19
Royal Purple (survey)
#4B006E
ΔE00 6.89
Darkblue (survey)
#030764
ΔE00 7.20
Indigo (survey)
#380282
ΔE00 7.26
Dark Royal Blue
#02066F
ΔE00 7.64
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#331C63 #4C631C
analogous
#1C2863 #331C63 #571C63
triadic
#331C63 #63331C #1C6333
tetradic
#331C63 #631C28 #4C631C #1C6357
square
#331C63 #631C28 #4C631C #1C6357
split-complementary
#331C63 #63571C #28631C
monochromatic
#0C0718 #1A0F33 #331C63 #4C2993 #6437C2
Accessibility & contrast
On white
14.12
#331C63 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.49
#331C63 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #331C63
14.12:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##331C63 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##331C63 | 1.00 | 14.12 | 1.49 | 14.12 |
| #FFFFFF | 14.12 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.49 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 14.12 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#002C65
Deuteranopia (green-blind)
#002A62
Tritanopia (blue-blind)
#252D3D
Achromatopsia (no color)
#2B2B2B
Design tokens & code
CSS
--color: #331c63; /* rgb */ color: rgb(51, 28, 99); /* oklch */ color: oklch(30.3% 0.118 292.8);
Tailwind
colors: {
custom: {
50: '#705a90',
500: '#331c63',
950: '#000000',
},
}SCSS
$custom: #331c63; $custom-light: #705a90; $custom-dark: #000000;
JSON
{
"hex": "#331c63",
"rgb": {
"r": 51,
"g": 28,
"b": 99
},
"hsl": {
"h": 259.437,
"s": 55.906,
"l": 24.902
},
"oklch": {
"l": 0.30269,
"c": 0.11824,
"h": 292.8
},
"luminance": 0.02435
}Semantic roles & 50–950 ramp
primary
#331C63
secondary
#7C9843
accent
#DF49AE
background
#F7F5F8
surface
#EDE9F0
border
#C8C5CB
text
#08040C
muted
#7B797D