#381B68#381B68

#381B68 is a dark, vivid violet. Relative luminance 0.026; OKLCH L 31.2% C 0.126 H 295.3°. Best body text is #FFFFFF at 13.77:1 contrast (WCAG AA passes).

Color values

HEX	#381B68
RGB	rgb(56, 27, 104)
HSL	hsl(263, 59%, 26%)
HSV	hsv(263, 74%, 41%)
CMYK	cmyk(46.2%, 74%, 0%, 59.2%)
CIE-LAB	lab(18.47, 32.58, -39.96)
CIE-LCH	lch(18.47, 51.56, 309.19°)
OKLab	oklab(31.16% 0.054 -0.1143)
OKLCH	oklch(31.16% 0.126 295.3)
XYZ	xyz(4.5208, 2.6240, 13.3623)
Luminance	0.0262 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381B68 #4B681B

analogous

#1B2468 #381B68 #5E1B68

triadic

#381B68 #68381B #1B6838

tetradic

#381B68 #681B24 #4B681B #1B685E

square

#381B68 #681B24 #4B681B #1B685E

split-complementary

#381B68 #685E1B #24681B

monochromatic

#0D0618 #1E0E37 #381B68 #522899 #6C34C9

Accessibility & contrast

On white

13.77

#381B68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#381B68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381B68

13.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381B68	#FFFFFF	#000000	##FFFFFF
##381B68	1.00	13.77	1.52	13.77
#FFFFFF	13.77	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E6A

Deuteranopia (green-blind)

#002C66

Tritanopia (blue-blind)

#2B2E3F

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #381b68;
/* rgb */ color: rgb(56, 27, 104);
/* oklch */ color: oklch(31.2% 0.126 295.3);

Tailwind

colors: {
  custom: {
    50: '#745a94',
    500: '#381b68',
    950: '#000000',
  },
}

SCSS

$custom: #381b68;
$custom-light: #745a94;
$custom-dark: #000000;

JSON

{
  "hex": "#381b68",
  "rgb": {
    "r": 56,
    "g": 27,
    "b": 104
  },
  "hsl": {
    "h": 262.597,
    "s": 58.779,
    "l": 25.686
  },
  "oklch": {
    "l": 0.31155,
    "c": 0.12643,
    "h": 295.3
  },
  "luminance": 0.02624
}

Semantic roles & 50–950 ramp

primary

#381B68

secondary

#7B9D42

accent

#E246A7

background

#F7F5F9

surface

#EDE9F1

border

#C8C5CB

text

#09040D

muted

#7B797E

Preview Lab

Preview with #381B68

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

Preview Lab → · Contrast checker → · Palette generator →