#381B7E#381B7E

#381B7E is a dark, vivid violet. Relative luminance 0.031; OKLCH L 33.3% C 0.154 H 288.4°. Best body text is #FFFFFF at 12.91:1 contrast (WCAG AA passes).

Color values

HEX	#381B7E
RGB	rgb(56, 27, 126)
HSL	hsl(258, 65%, 30%)
HSV	hsv(258, 79%, 49%)
CMYK	cmyk(55.6%, 78.6%, 0%, 50.6%)
CIE-LAB	lab(20.56, 39.12, -50.72)
CIE-LCH	lch(20.56, 64.06, 307.65°)
OKLab	oklab(33.27% 0.0485 -0.1459)
OKLCH	oklch(33.27% 0.154 288.4)
XYZ	xyz(5.7876, 3.1307, 20.0339)
Luminance	0.0313 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381B7E #617E1B

analogous

#1B2F7E #381B7E #6A1B7E

triadic

#381B7E #7E381B #1B7E38

tetradic

#381B7E #7E1B2F #617E1B #1B7E6A

square

#381B7E #7E1B2F #617E1B #1B7E6A

split-complementary

#381B7E #7E6A1B #2F7E1B

monochromatic

#0B0519 #22104C #381B7E #4E26B0 #6A3ED6

Accessibility & contrast

On white

12.91

#381B7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#381B7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381B7E

12.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381B7E	#FFFFFF	#000000	##FFFFFF
##381B7E	1.00	12.91	1.63	12.91
#FFFFFF	12.91	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003481

Deuteranopia (green-blind)

#002F7C

Tritanopia (blue-blind)

#1C374B

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #381b7e;
/* rgb */ color: rgb(56, 27, 126);
/* oklch */ color: oklch(33.3% 0.154 288.4);

Tailwind

colors: {
  custom: {
    50: '#775ba4',
    500: '#381b7e',
    950: '#000000',
  },
}

SCSS

$custom: #381b7e;
$custom-light: #775ba4;
$custom-dark: #000000;

JSON

{
  "hex": "#381b7e",
  "rgb": {
    "r": 56,
    "g": 27,
    "b": 126
  },
  "hsl": {
    "h": 257.576,
    "s": 64.706,
    "l": 30
  },
  "oklch": {
    "l": 0.33273,
    "c": 0.15372,
    "h": 288.4
  },
  "luminance": 0.03131
}

Semantic roles & 50–950 ramp

primary

#381B7E

secondary

#91B243

accent

#E840B7

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #381B7E

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

Preview Lab → · Contrast checker → · Palette generator →