#381B71#381B71

#381B71 is a dark, vivid violet. Relative luminance 0.028; OKLCH L 32.0% C 0.138 H 292.2°. Best body text is #FFFFFF at 13.43:1 contrast (WCAG AA passes).

Color values

HEX	#381B71
RGB	rgb(56, 27, 113)
HSL	hsl(260, 61%, 27%)
HSV	hsv(260, 76%, 44%)
CMYK	cmyk(50.4%, 76.1%, 0%, 55.7%)
CIE-LAB	lab(19.29, 35.25, -44.47)
CIE-LCH	lch(19.29, 56.74, 308.40°)
OKLab	oklab(32% 0.052 -0.1275)
OKLCH	oklch(32% 0.138 292.2)
XYZ	xyz(5.0026, 2.8167, 15.8997)
Luminance	0.0282 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381B71 #54711B

analogous

#1B2971 #381B71 #631B71

triadic

#381B71 #71381B #1B7138

tetradic

#381B71 #711B29 #54711B #1B7163

square

#381B71 #711B29 #54711B #1B7163

split-complementary

#381B71 #71631B #29711B

monochromatic

#0C0619 #200F40 #381B71 #5027A2 #6A37CF

Accessibility & contrast

On white

13.43

#381B71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#381B71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381B71

13.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381B71	#FFFFFF	#000000	##FFFFFF
##381B71	1.00	13.43	1.56	13.43
#FFFFFF	13.43	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003073

Deuteranopia (green-blind)

#002D6F

Tritanopia (blue-blind)

#263244

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #381b71;
/* rgb */ color: rgb(56, 27, 113);
/* oklch */ color: oklch(32.0% 0.138 292.2);

Tailwind

colors: {
  custom: {
    50: '#755a9b',
    500: '#381b71',
    950: '#000000',
  },
}

SCSS

$custom: #381b71;
$custom-light: #755a9b;
$custom-dark: #000000;

JSON

{
  "hex": "#381b71",
  "rgb": {
    "r": 56,
    "g": 27,
    "b": 113
  },
  "hsl": {
    "h": 260.233,
    "s": 61.429,
    "l": 27.451
  },
  "oklch": {
    "l": 0.31995,
    "c": 0.13775,
    "h": 292.2
  },
  "luminance": 0.02817
}

Semantic roles & 50–950 ramp

primary

#381B71

secondary

#84A642

accent

#E543AE

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040E

muted

#7B797E

Preview Lab

Preview with #381B71

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

Preview Lab → · Contrast checker → · Palette generator →