#381B74#381B74

#381B74 is a dark, vivid violet. Relative luminance 0.029; OKLCH L 32.3% C 0.141 H 291.2°. Best body text is #FFFFFF at 13.31:1 contrast (WCAG AA passes).

Color values

HEX	#381B74
RGB	rgb(56, 27, 116)
HSL	hsl(260, 62%, 28%)
HSV	hsv(260, 77%, 45%)
CMYK	cmyk(51.7%, 76.7%, 0%, 54.5%)
CIE-LAB	lab(19.58, 36.14, -45.94)
CIE-LCH	lch(19.58, 58.45, 308.20°)
OKLab	oklab(32.28% 0.0513 -0.1319)
OKLCH	oklch(32.28% 0.141 291.2)
XYZ	xyz(5.1743, 2.8854, 16.8039)
Luminance	0.0289 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381B74 #57741B

analogous

#1B2A74 #381B74 #641B74

triadic

#381B74 #74381B #1B7438

tetradic

#381B74 #741B2A #57741B #1B7464

square

#381B74 #741B2A #57741B #1B7464

split-complementary

#381B74 #74641B #2A741B

monochromatic

#0C0619 #200F42 #381B74 #5027A6 #6A39D1

Accessibility & contrast

On white

13.31

#381B74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#381B74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381B74

13.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381B74	#FFFFFF	#000000	##FFFFFF
##381B74	1.00	13.31	1.58	13.31
#FFFFFF	13.31	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003177

Deuteranopia (green-blind)

#002D72

Tritanopia (blue-blind)

#243346

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #381b74;
/* rgb */ color: rgb(56, 27, 116);
/* oklch */ color: oklch(32.3% 0.141 291.2);

Tailwind

colors: {
  custom: {
    50: '#755a9d',
    500: '#381b74',
    950: '#000000',
  },
}

SCSS

$custom: #381b74;
$custom-light: #755a9d;
$custom-dark: #000000;

JSON

{
  "hex": "#381b74",
  "rgb": {
    "r": 56,
    "g": 27,
    "b": 116
  },
  "hsl": {
    "h": 259.551,
    "s": 62.238,
    "l": 28.039
  },
  "oklch": {
    "l": 0.32284,
    "c": 0.14147,
    "h": 291.2
  },
  "luminance": 0.02886
}

Semantic roles & 50–950 ramp

primary

#381B74

secondary

#87A942

accent

#E542B0

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040E

muted

#7B797E

Preview Lab

Preview with #381B74

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

Preview Lab → · Contrast checker → · Palette generator →