#381F91#381F91

#381F91 is a dark, vivid violet. Relative luminance 0.039; OKLCH L 35.7% C 0.173 H 283.4°. Best body text is #FFFFFF at 11.84:1 contrast (WCAG AA passes).

Color values

HEX	#381F91
RGB	rgb(56, 31, 145)
HSL	hsl(253, 65%, 35%)
HSV	hsv(253, 79%, 57%)
CMYK	cmyk(61.4%, 78.6%, 0%, 43.1%)
CIE-LAB	lab(23.22, 42.81, -58.26)
CIE-LCH	lch(23.22, 72.30, 306.31°)
OKLab	oklab(35.72% 0.04 -0.168)
OKLCH	oklch(35.72% 0.173 283.4)
XYZ	xyz(7.2301, 3.8646, 27.1475)
Luminance	0.0386 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381F91 #78911F

analogous

#1F3F91 #381F91 #711F91

triadic

#381F91 #91381F #1F9138

tetradic

#381F91 #911F3F #78911F #1F9171

square

#381F91 #911F3F #78911F #1F9171

split-complementary

#381F91 #91711F #3F911F

monochromatic

#11092C #25145F #381F91 #4B2AC3 #6F51DA

Accessibility & contrast

On white

11.84

#381F91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#381F91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381F91

11.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381F91	#FFFFFF	#000000	##FFFFFF
##381F91	1.00	11.84	1.77	11.84
#FFFFFF	11.84	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B94

Deuteranopia (green-blind)

#00338F

Tritanopia (blue-blind)

#004057

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #381f91;
/* rgb */ color: rgb(56, 31, 145);
/* oklch */ color: oklch(35.7% 0.173 283.4);

Tailwind

colors: {
  custom: {
    50: '#7a5eb2',
    500: '#381f91',
    950: '#000000',
  },
}

SCSS

$custom: #381f91;
$custom-light: #7a5eb2;
$custom-dark: #000000;

JSON

{
  "hex": "#381f91",
  "rgb": {
    "r": 56,
    "g": 31,
    "b": 145
  },
  "hsl": {
    "h": 253.158,
    "s": 64.773,
    "l": 34.51
  },
  "oklch": {
    "l": 0.35722,
    "c": 0.17266,
    "h": 283.4
  },
  "luminance": 0.03865
}

Semantic roles & 50–950 ramp

primary

#381F91

secondary

#A5BD4F

accent

#E840C3

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0A0511

muted

#7C7980

Preview Lab

Preview with #381F91

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →