#381FA6#381FA6
#381FA6 is a dark, vivid violet. Relative luminance 0.046; OKLCH L 38.0% C 0.197 H 279.8°. Best body text is #FFFFFF at 10.97:1 contrast (WCAG AA passes).
Color values
| HEX | #381FA6 |
|---|---|
| RGB | rgb(56, 31, 166) |
| HSL | hsl(251, 69%, 39%) |
| HSV | hsv(251, 81%, 65%) |
| CMYK | cmyk(66.3%, 81.3%, 0%, 34.9%) |
| CIE-LAB | lab(25.48, 49.11, -67.38) |
| CIE-LCH | lch(25.48, 83.38, 306.08°) |
| OKLab | oklab(37.97% 0.0337 -0.1945) |
| OKLCH | oklch(37.97% 0.197 279.8) |
| XYZ | xyz(9.0016, 4.5732, 36.4773) |
| Luminance | 0.0457 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Indigo Blue
#3A18B1
ΔE00 1.76
Ultramarine
#2000B1
ΔE00 4.16
Cobalt Blue
#030AA7
ΔE00 4.49
Royal Blue (survey)
#0504AA
ΔE00 4.73
Royal
#0C1793
ΔE00 4.86
True Blue
#010FCC
ΔE00 5.10
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#381FA6 #8DA61F
analogous
#1F49A6 #381FA6 #7B1FA6
triadic
#381FA6 #A6381F #1FA638
tetradic
#381FA6 #A61F49 #8DA61F #1FA67B
square
#381FA6 #A61F49 #8DA61F #1FA67B
split-complementary
#381FA6 #A67B1F #49A61F
monochromatic
#150C3F #271572 #381FA6 #4B2BD7 #775EE1
Accessibility & contrast
On white
10.97
#381FA6 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.91
#381FA6 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #381FA6
10.97:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##381FA6 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##381FA6 | 1.00 | 10.97 | 1.91 | 10.97 |
| #FFFFFF | 10.97 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.91 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.97 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0041AA
Deuteranopia (green-blind)
#0037A4
Tritanopia (blue-blind)
#004963
Achromatopsia (no color)
#3C3C3C
Design tokens & code
CSS
--color: #381fa6; /* rgb */ color: rgb(56, 31, 166); /* oklch */ color: oklch(38.0% 0.197 279.8);
Tailwind
colors: {
custom: {
50: '#7f60c2',
500: '#381fa6',
950: '#000000',
},
}SCSS
$custom: #381fa6; $custom-light: #7f60c2; $custom-dark: #000000;
JSON
{
"hex": "#381fa6",
"rgb": {
"r": 56,
"g": 31,
"b": 166
},
"hsl": {
"h": 251.111,
"s": 68.528,
"l": 38.627
},
"oklch": {
"l": 0.37969,
"c": 0.19744,
"h": 279.8
},
"luminance": 0.04574
}Semantic roles & 50–950 ramp
primary
#381FA6
secondary
#B2C55B
accent
#EB3CCB
background
#F8F5FC
surface
#F0EAF8
border
#CBC6D1
text
#0B0513
muted
#7C7982