#381BA7#381BA7

#381BA7 is a dark, highly saturated violet. Relative luminance 0.044; OKLCH L 37.7% C 0.202 H 280.1°. Best body text is #FFFFFF at 11.15:1 contrast (WCAG AA passes).

Color values

HEX	#381BA7
RGB	rgb(56, 27, 167)
HSL	hsl(252, 72%, 38%)
HSV	hsv(252, 84%, 65%)
CMYK	cmyk(66.5%, 83.8%, 0%, 34.5%)
CIE-LAB	lab(25.00, 51.16, -68.80)
CIE-LCH	lch(25.00, 85.73, 306.64°)
OKLab	oklab(37.67% 0.0352 -0.1986)
OKLCH	oklch(37.67% 0.202 280.1)
XYZ	xyz(8.9957, 4.4139, 36.9296)
Luminance	0.0442 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381BA7 #8AA71B

analogous

#1B44A7 #381BA7 #7E1BA7

triadic

#381BA7 #A7381B #1BA738

tetradic

#381BA7 #A71B44 #8AA71B #1BA77E

square

#381BA7 #A71B44 #8AA71B #1BA77E

split-complementary

#381BA7 #A77E1B #44A71B

monochromatic

#150A3E #261272 #381BA7 #4A24DC #7558E4

Accessibility & contrast

On white

11.15

#381BA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#381BA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381BA7

11.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381BA7	#FFFFFF	#000000	##FFFFFF
##381BA7	1.00	11.15	1.88	11.15
#FFFFFF	11.15	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040AB

Deuteranopia (green-blind)

#0036A5

Tritanopia (blue-blind)

#004863

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #381ba7;
/* rgb */ color: rgb(56, 27, 167);
/* oklch */ color: oklch(37.7% 0.202 280.1);

Tailwind

colors: {
  custom: {
    50: '#7f5ec3',
    500: '#381ba7',
    950: '#000000',
  },
}

SCSS

$custom: #381ba7;
$custom-light: #7f5ec3;
$custom-dark: #000000;

JSON

{
  "hex": "#381ba7",
  "rgb": {
    "r": 56,
    "g": 27,
    "b": 167
  },
  "hsl": {
    "h": 252.429,
    "s": 72.165,
    "l": 38.039
  },
  "oklch": {
    "l": 0.37666,
    "c": 0.20169,
    "h": 280.1
  },
  "luminance": 0.04415
}

Semantic roles & 50–950 ramp

primary

#381BA7

secondary

#B0C856

accent

#EF39C9

background

#F8F5FC

surface

#F0E9F8

border

#CBC5D1

text

#0C0513

muted

#7D7982

Preview Lab

Preview with #381BA7

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

Preview Lab → · Contrast checker → · Palette generator →