#381F8D#381F8D
#381F8D is a dark, vivid violet. Relative luminance 0.037; OKLCH L 35.3% C 0.168 H 284.2°. Best body text is #FFFFFF at 12.01:1 contrast (WCAG AA passes).
Color values
| HEX | #381F8D |
|---|---|
| RGB | rgb(56, 31, 141) |
| HSL | hsl(254, 64%, 34%) |
| HSV | hsv(254, 78%, 55%) |
| CMYK | cmyk(60.3%, 78%, 0%, 44.7%) |
| CIE-LAB | lab(22.80, 41.59, -56.46) |
| CIE-LCH | lch(22.80, 70.13, 306.38°) |
| OKLab | oklab(35.31% 0.0412 -0.1627) |
| OKLCH | oklch(35.31% 0.168 284.2) |
| XYZ | xyz(6.9271, 3.7434, 25.5517) |
| Luminance | 0.0374 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Royal
#0C1793
ΔE00 4.22
Indigo (survey)
#380282
ΔE00 4.66
Indigo Blue
#3A18B1
ΔE00 5.12
Cobalt Blue
#030AA7
ΔE00 5.71
Indigo
#4B0082
ΔE00 5.72
Midnight Blue
#191970
ΔE00 5.89
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#381F8D #748D1F
analogous
#1F3D8D #381F8D #6F1F8D
triadic
#381F8D #8D381F #1F8D38
tetradic
#381F8D #8D1F3D #748D1F #1F8D6F
square
#381F8D #8D1F3D #748D1F #1F8D6F
split-complementary
#381F8D #8D6F1F #3D8D1F
monochromatic
#100929 #24145B #381F8D #4C2ABF #6E4ED8
Accessibility & contrast
On white
12.01
#381F8D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.75
#381F8D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #381F8D
12.01:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##381F8D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##381F8D | 1.00 | 12.01 | 1.75 | 12.01 |
| #FFFFFF | 12.01 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.75 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 12.01 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#003A90
Deuteranopia (green-blind)
#00338B
Tritanopia (blue-blind)
#033F55
Achromatopsia (no color)
#363636
Design tokens & code
CSS
--color: #381f8d; /* rgb */ color: rgb(56, 31, 141); /* oklch */ color: oklch(35.3% 0.168 284.2);
Tailwind
colors: {
custom: {
50: '#7a5eaf',
500: '#381f8d',
950: '#000000',
},
}SCSS
$custom: #381f8d; $custom-light: #7a5eaf; $custom-dark: #000000;
JSON
{
"hex": "#381f8d",
"rgb": {
"r": 56,
"g": 31,
"b": 141
},
"hsl": {
"h": 253.636,
"s": 63.953,
"l": 33.725
},
"oklch": {
"l": 0.35307,
"c": 0.16782,
"h": 284.2
},
"luminance": 0.03744
}Semantic roles & 50–950 ramp
primary
#381F8D
secondary
#A2BB4D
accent
#E741C1
background
#F7F5FA
surface
#EEE9F5
border
#C9C5CF
text
#0A0411
muted
#7C7980