#391FA1#391FA1
#391FA1 is a dark, vivid violet. Relative luminance 0.044; OKLCH L 37.5% C 0.191 H 281.1°. Best body text is #FFFFFF at 11.14:1 contrast (WCAG AA passes).
Color values
| HEX | #391FA1 |
|---|---|
| RGB | rgb(57, 31, 161) |
| HSL | hsl(252, 68%, 38%) |
| HSV | hsv(252, 81%, 63%) |
| CMYK | cmyk(64.6%, 80.7%, 0%, 36.9%) |
| CIE-LAB | lab(25.02, 47.72, -65.11) |
| CIE-LCH | lch(25.02, 80.73, 306.24°) |
| OKLab | oklab(37.51% 0.0368 -0.1879) |
| OKLCH | oklch(37.51% 0.191 281.1) |
| XYZ | xyz(8.6083, 4.4224, 34.1113) |
| Luminance | 0.0442 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Indigo Blue
#3A18B1
ΔE00 2.32
Ultramarine
#2000B1
ΔE00 4.42
Cobalt Blue
#030AA7
ΔE00 4.58
Royal
#0C1793
ΔE00 4.60
Royal Blue (survey)
#0504AA
ΔE00 4.85
True Blue
#010FCC
ΔE00 5.72
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#391FA1 #87A11F
analogous
#1F46A1 #391FA1 #7A1FA1
triadic
#391FA1 #A1391F #1FA139
tetradic
#391FA1 #A11F46 #87A11F #1FA17A
square
#391FA1 #A11F46 #87A11F #1FA17A
split-complementary
#391FA1 #A17A1F #46A11F
monochromatic
#150B3A #27156E #391FA1 #4B29D4 #755BDF
Accessibility & contrast
On white
11.14
#391FA1 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.88
#391FA1 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #391FA1
11.14:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##391FA1 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##391FA1 | 1.00 | 11.14 | 1.88 | 11.14 |
| #FFFFFF | 11.14 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.88 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 11.14 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0040A5
Deuteranopia (green-blind)
#00379F
Tritanopia (blue-blind)
#004760
Achromatopsia (no color)
#3B3B3B
Design tokens & code
CSS
--color: #391fa1; /* rgb */ color: rgb(57, 31, 161); /* oklch */ color: oklch(37.5% 0.191 281.1);
Tailwind
colors: {
custom: {
50: '#7e5fbe',
500: '#391fa1',
950: '#000000',
},
}SCSS
$custom: #391fa1; $custom-light: #7e5fbe; $custom-dark: #000000;
JSON
{
"hex": "#391fa1",
"rgb": {
"r": 57,
"g": 31,
"b": 161
},
"hsl": {
"h": 252,
"s": 67.708,
"l": 37.647
},
"oklch": {
"l": 0.37509,
"c": 0.19145,
"h": 281.1
},
"luminance": 0.04423
}Semantic roles & 50–950 ramp
primary
#391FA1
secondary
#AEC458
accent
#EB3DC8
background
#F8F5FB
surface
#EFEAF7
border
#CAC6D0
text
#0B0512
muted
#7C7981