#331F6D#331F6D
#331F6D is a dark, vivid violet. Relative luminance 0.028; OKLCH L 31.7% C 0.128 H 288.7°. Best body text is #FFFFFF at 13.48:1 contrast (WCAG AA passes).
Color values
| HEX | #331F6D |
|---|---|
| RGB | rgb(51, 31, 109) |
| HSL | hsl(255, 56%, 27%) |
| HSV | hsv(255, 72%, 43%) |
| CMYK | cmyk(53.2%, 71.6%, 0%, 57.3%) |
| CIE-LAB | lab(19.17, 30.80, -42.10) |
| CIE-LCH | lch(19.17, 52.16, 306.19°) |
| OKLab | oklab(31.66% 0.0409 -0.1208) |
| OKLCH | oklch(31.66% 0.128 288.7) |
| XYZ | xyz(4.6147, 2.7877, 14.7600) |
| Luminance | 0.0279 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Midnight Blue
#191970
ΔE00 4.09
Dark Indigo
#1F0954
ΔE00 6.12
Indigo (survey)
#380282
ΔE00 6.38
Darkblue (survey)
#030764
ΔE00 7.06
Dark Royal Blue
#02066F
ΔE00 7.12
Indigo
#4B0082
ΔE00 7.21
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#331F6D #596D1F
analogous
#1F326D #331F6D #5A1F6D
triadic
#331F6D #6D331F #1F6D33
tetradic
#331F6D #6D1F32 #596D1F #1F6D5A
square
#331F6D #6D1F32 #596D1F #1F6D5A
split-complementary
#331F6D #6D5A1F #326D1F
monochromatic
#0B0718 #1D113D #331F6D #492D9D #623EC8
Accessibility & contrast
On white
13.48
#331F6D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.56
#331F6D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #331F6D
13.48:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##331F6D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##331F6D | 1.00 | 13.48 | 1.56 | 13.48 |
| #FFFFFF | 13.48 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.56 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 13.48 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#00306F
Deuteranopia (green-blind)
#002D6B
Tritanopia (blue-blind)
#1E3343
Achromatopsia (no color)
#2F2F2F
Design tokens & code
CSS
--color: #331f6d; /* rgb */ color: rgb(51, 31, 109); /* oklch */ color: oklch(31.7% 0.128 288.7);
Tailwind
colors: {
custom: {
50: '#715c98',
500: '#331f6d',
950: '#000000',
},
}SCSS
$custom: #331f6d; $custom-light: #715c98; $custom-dark: #000000;
JSON
{
"hex": "#331f6d",
"rgb": {
"r": 51,
"g": 31,
"b": 109
},
"hsl": {
"h": 255.385,
"s": 55.714,
"l": 27.451
},
"oklch": {
"l": 0.3166,
"c": 0.12753,
"h": 288.7
},
"luminance": 0.02788
}Semantic roles & 50–950 ramp
primary
#331F6D
secondary
#8AA147
accent
#DF49B8
background
#F7F5F9
surface
#EDE9F2
border
#C8C5CC
text
#08040E
muted
#7B797E