#381A5B#381A5B

#381A5B is a dark, moderate violet. Relative luminance 0.023; OKLCH L 29.9% C 0.111 H 301.0°. Best body text is #FFFFFF at 14.31:1 contrast (WCAG AA passes).

Color values

HEX	#381A5B
RGB	rgb(56, 26, 91)
HSL	hsl(268, 56%, 23%)
HSV	hsv(268, 71%, 36%)
CMYK	cmyk(38.5%, 71.4%, 0%, 64.3%)
CIE-LAB	lab(17.15, 29.37, -33.49)
CIE-LCH	lch(17.15, 44.55, 311.25°)
OKLab	oklab(29.87% 0.0574 -0.0953)
OKLCH	oklch(29.87% 0.111 301)
XYZ	xyz(3.8882, 2.3349, 10.1413)
Luminance	0.0233 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 5.55

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381A5B #3D5B1A

analogous

#1A1C5B #381A5B #581A5B

triadic

#381A5B #5B381A #1A5B38

tetradic

#381A5B #5B1A1C #3D5B1A #1A5B58

square

#381A5B #5B1A1C #3D5B1A #1A5B58

split-complementary

#381A5B #5B581A #1C5B1A

monochromatic

#0F0718 #1B0C2B #381A5B #55288B #7335BA

Accessibility & contrast

On white

14.31

#381A5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#381A5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381A5B

14.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381A5B	#FFFFFF	#000000	##FFFFFF
##381A5B	1.00	14.31	1.47	14.31
#FFFFFF	14.31	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A5D

Deuteranopia (green-blind)

#002A5A

Tritanopia (blue-blind)

#312938

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #381a5b;
/* rgb */ color: rgb(56, 26, 91);
/* oklch */ color: oklch(29.9% 0.111 301.0);

Tailwind

colors: {
  custom: {
    50: '#72598a',
    500: '#381a5b',
    950: '#000000',
  },
}

SCSS

$custom: #381a5b;
$custom-light: #72598a;
$custom-dark: #000000;

JSON

{
  "hex": "#381a5b",
  "rgb": {
    "r": 56,
    "g": 26,
    "b": 91
  },
  "hsl": {
    "h": 267.692,
    "s": 55.556,
    "l": 22.941
  },
  "oklch": {
    "l": 0.29866,
    "c": 0.11124,
    "h": 301
  },
  "luminance": 0.02335
}

Semantic roles & 50–950 ramp

primary

#381A5B

secondary

#6C9140

accent

#DF499A

background

#F7F5F8

surface

#EDE9F0

border

#C8C5CB

text

#08030C

muted

#7B787D

Preview Lab

Preview with #381A5B

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

Preview Lab → · Contrast checker → · Palette generator →