#381B57#381B57

#381B57 is a dark, moderate violet. Relative luminance 0.023; OKLCH L 29.7% C 0.105 H 302.7°. Best body text is #FFFFFF at 14.36:1 contrast (WCAG AA passes).

Color values

HEX	#381B57
RGB	rgb(56, 27, 87)
HSL	hsl(269, 53%, 22%)
HSV	hsv(269, 69%, 34%)
CMYK	cmyk(35.6%, 69%, 0%, 65.9%)
CIE-LAB	lab(17.05, 27.65, -30.98)
CIE-LCH	lch(17.05, 41.53, 311.75°)
OKLab	oklab(29.69% 0.0565 -0.0879)
OKLCH	oklch(29.69% 0.105 302.7)
XYZ	xyz(3.7427, 2.3127, 9.2642)
Luminance	0.0231 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381B57 #3A571B

analogous

#1B1C57 #381B57 #561B57

triadic

#381B57 #57381B #1B5738

tetradic

#381B57 #571B1C #3A571B #1B5756

square

#381B57 #571B1C #3A571B #1B5756

split-complementary

#381B57 #57561B #1C571B

monochromatic

#0F0717 #1A0D28 #381B57 #562986 #7438B4

Accessibility & contrast

On white

14.36

#381B57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#381B57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381B57

14.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381B57	#FFFFFF	#000000	##FFFFFF
##381B57	1.00	14.36	1.46	14.36
#FFFFFF	14.36	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002959

Deuteranopia (green-blind)

#072A56

Tritanopia (blue-blind)

#322836

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #381b57;
/* rgb */ color: rgb(56, 27, 87);
/* oklch */ color: oklch(29.7% 0.105 302.7);

Tailwind

colors: {
  custom: {
    50: '#715987',
    500: '#381b57',
    950: '#000000',
  },
}

SCSS

$custom: #381b57;
$custom-light: #715987;
$custom-dark: #000000;

JSON

{
  "hex": "#381b57",
  "rgb": {
    "r": 56,
    "g": 27,
    "b": 87
  },
  "hsl": {
    "h": 269,
    "s": 52.632,
    "l": 22.353
  },
  "oklch": {
    "l": 0.29689,
    "c": 0.10452,
    "h": 302.7
  },
  "luminance": 0.02313
}

Semantic roles & 50–950 ramp

primary

#381B57

secondary

#688D41

accent

#DC4C96

background

#F7F5F8

surface

#EDE9EF

border

#C8C5CA

text

#08030B

muted

#7B787C

Preview Lab

Preview with #381B57

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

Preview Lab → · Contrast checker → · Palette generator →