#381BA8#381BA8

#381BA8 is a dark, highly saturated violet. Relative luminance 0.045; OKLCH L 37.8% C 0.203 H 279.9°. Best body text is #FFFFFF at 11.11:1 contrast (WCAG AA passes).

Color values

HEX	#381BA8
RGB	rgb(56, 27, 168)
HSL	hsl(252, 72%, 38%)
HSV	hsv(252, 84%, 66%)
CMYK	cmyk(66.7%, 83.9%, 0%, 34.1%)
CIE-LAB	lab(25.11, 51.44, -69.21)
CIE-LCH	lch(25.11, 86.24, 306.62°)
OKLab	oklab(37.78% 0.0349 -0.1998)
OKLCH	oklch(37.78% 0.203 279.9)
XYZ	xyz(9.0885, 4.4510, 37.4184)
Luminance	0.0445 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381BA8 #8BA81B

analogous

#1B45A8 #381BA8 #7E1BA8

triadic

#381BA8 #A8381B #1BA838

tetradic

#381BA8 #A81B45 #8BA81B #1BA87E

square

#381BA8 #A81B45 #8BA81B #1BA87E

split-complementary

#381BA8 #A87E1B #45A81B

monochromatic

#150A3F #261373 #381BA8 #4A24DC #7659E4

Accessibility & contrast

On white

11.11

#381BA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#381BA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381BA8

11.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381BA8	#FFFFFF	#000000	##FFFFFF
##381BA8	1.00	11.11	1.89	11.11
#FFFFFF	11.11	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040AC

Deuteranopia (green-blind)

#0036A6

Tritanopia (blue-blind)

#004864

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #381ba8;
/* rgb */ color: rgb(56, 27, 168);
/* oklch */ color: oklch(37.8% 0.203 279.9);

Tailwind

colors: {
  custom: {
    50: '#7f5ec3',
    500: '#381ba8',
    950: '#000000',
  },
}

SCSS

$custom: #381ba8;
$custom-light: #7f5ec3;
$custom-dark: #000000;

JSON

{
  "hex": "#381ba8",
  "rgb": {
    "r": 56,
    "g": 27,
    "b": 168
  },
  "hsl": {
    "h": 252.34,
    "s": 72.308,
    "l": 38.235
  },
  "oklch": {
    "l": 0.37778,
    "c": 0.20283,
    "h": 279.9
  },
  "luminance": 0.04452
}

Semantic roles & 50–950 ramp

primary

#381BA8

secondary

#B1C857

accent

#EF39CA

background

#F8F5FC

surface

#F0E9F8

border

#CBC5D1

text

#0C0513

muted

#7D7982

Preview Lab

Preview with #381BA8

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

Preview Lab → · Contrast checker → · Palette generator →