#381B72#381B72

#381B72 is a dark, vivid violet. Relative luminance 0.028; OKLCH L 32.1% C 0.139 H 291.9°. Best body text is #FFFFFF at 13.39:1 contrast (WCAG AA passes).

Color values

HEX	#381B72
RGB	rgb(56, 27, 114)
HSL	hsl(260, 62%, 28%)
HSV	hsv(260, 76%, 45%)
CMYK	cmyk(50.9%, 76.3%, 0%, 55.3%)
CIE-LAB	lab(19.39, 35.55, -44.96)
CIE-LCH	lch(19.39, 57.31, 308.33°)
OKLab	oklab(32.09% 0.0518 -0.129)
OKLCH	oklch(32.09% 0.139 291.9)
XYZ	xyz(5.0592, 2.8393, 16.1978)
Luminance	0.0284 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381B72 #55721B

analogous

#1B2972 #381B72 #631B72

triadic

#381B72 #72381B #1B7238

tetradic

#381B72 #721B29 #55721B #1B7263

square

#381B72 #721B29 #55721B #1B7263

split-complementary

#381B72 #72631B #29721B

monochromatic

#0C0619 #200F41 #381B72 #5027A3 #6A38D0

Accessibility & contrast

On white

13.39

#381B72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#381B72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381B72

13.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381B72	#FFFFFF	#000000	##FFFFFF
##381B72	1.00	13.39	1.57	13.39
#FFFFFF	13.39	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003075

Deuteranopia (green-blind)

#002D70

Tritanopia (blue-blind)

#253245

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #381b72;
/* rgb */ color: rgb(56, 27, 114);
/* oklch */ color: oklch(32.1% 0.139 291.9);

Tailwind

colors: {
  custom: {
    50: '#755a9b',
    500: '#381b72',
    950: '#000000',
  },
}

SCSS

$custom: #381b72;
$custom-light: #755a9b;
$custom-dark: #000000;

JSON

{
  "hex": "#381b72",
  "rgb": {
    "r": 56,
    "g": 27,
    "b": 114
  },
  "hsl": {
    "h": 260,
    "s": 61.702,
    "l": 27.647
  },
  "oklch": {
    "l": 0.32091,
    "c": 0.13899,
    "h": 291.9
  },
  "luminance": 0.0284
}

Semantic roles & 50–950 ramp

primary

#381B72

secondary

#85A742

accent

#E543AF

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040E

muted

#7B797E

Preview Lab

Preview with #381B72

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

Preview Lab → · Contrast checker → · Palette generator →