#381B5E#381B5E

#381B5E is a dark, moderate violet. Relative luminance 0.024; OKLCH L 30.3% C 0.114 H 299.4°. Best body text is #FFFFFF at 14.13:1 contrast (WCAG AA passes).

Color values

HEX	#381B5E
RGB	rgb(56, 27, 94)
HSL	hsl(266, 55%, 24%)
HSV	hsv(266, 71%, 37%)
CMYK	cmyk(40.4%, 71.3%, 0%, 63.1%)
CIE-LAB	lab(17.61, 29.66, -34.76)
CIE-LCH	lch(17.61, 45.69, 310.47°)
OKLab	oklab(30.27% 0.0557 -0.099)
OKLCH	oklch(30.27% 0.114 299.4)
XYZ	xyz(4.0427, 2.4327, 10.8441)
Luminance	0.0243 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 5.52

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381B5E #415E1B

analogous

#1B1F5E #381B5E #591B5E

triadic

#381B5E #5E381B #1B5E38

tetradic

#381B5E #5E1B1F #415E1B #1B5E59

square

#381B5E #5E1B1F #415E1B #1B5E59

split-complementary

#381B5E #5E591B #1F5E1B

monochromatic

#0E0718 #1C0D2E #381B5E #54298E #7136BD

Accessibility & contrast

On white

14.13

#381B5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#381B5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381B5E

14.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381B5E	#FFFFFF	#000000	##FFFFFF
##381B5E	1.00	14.13	1.49	14.13
#FFFFFF	14.13	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B60

Deuteranopia (green-blind)

#002B5D

Tritanopia (blue-blind)

#2F2A3A

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #381b5e;
/* rgb */ color: rgb(56, 27, 94);
/* oklch */ color: oklch(30.3% 0.114 299.4);

Tailwind

colors: {
  custom: {
    50: '#72598c',
    500: '#381b5e',
    950: '#000000',
  },
}

SCSS

$custom: #381b5e;
$custom-light: #72598c;
$custom-dark: #000000;

JSON

{
  "hex": "#381b5e",
  "rgb": {
    "r": 56,
    "g": 27,
    "b": 94
  },
  "hsl": {
    "h": 265.97,
    "s": 55.372,
    "l": 23.725
  },
  "oklch": {
    "l": 0.30272,
    "c": 0.11362,
    "h": 299.4
  },
  "luminance": 0.02433
}

Semantic roles & 50–950 ramp

primary

#381B5E

secondary

#709441

accent

#DF499E

background

#F7F5F8

surface

#EDE9F0

border

#C8C5CB

text

#08040C

muted

#7B797D

Preview Lab

Preview with #381B5E

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

Preview Lab → · Contrast checker → · Palette generator →