#371B7B#371B7B

#371B7B is a dark, vivid violet. Relative luminance 0.030; OKLCH L 32.9% C 0.150 H 288.5°. Best body text is #FFFFFF at 13.08:1 contrast (WCAG AA passes).

Color values

HEX	#371B7B
RGB	rgb(55, 27, 123)
HSL	hsl(258, 64%, 29%)
HSV	hsv(258, 78%, 48%)
CMYK	cmyk(55.3%, 78%, 0%, 51.8%)
CIE-LAB	lab(20.15, 38.07, -49.49)
CIE-LCH	lch(20.15, 62.44, 307.57°)
OKLab	oklab(32.87% 0.0478 -0.1423)
OKLCH	oklch(32.87% 0.15 288.5)
XYZ	xyz(5.5416, 3.0259, 19.0271)
Luminance	0.0303 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371B7B #5F7B1B

analogous

#1B2F7B #371B7B #671B7B

triadic

#371B7B #7B371B #1B7B37

tetradic

#371B7B #7B1B2F #5F7B1B #1B7B67

square

#371B7B #7B1B2F #5F7B1B #1B7B67

split-complementary

#371B7B #7B671B #2F7B1B

monochromatic

#0B0619 #211049 #371B7B #4D26AD #693CD4

Accessibility & contrast

On white

13.08

#371B7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#371B7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371B7B

13.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371B7B	#FFFFFF	#000000	##FFFFFF
##371B7B	1.00	13.08	1.61	13.08
#FFFFFF	13.08	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337E

Deuteranopia (green-blind)

#002E79

Tritanopia (blue-blind)

#1C364A

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #371b7b;
/* rgb */ color: rgb(55, 27, 123);
/* oklch */ color: oklch(32.9% 0.150 288.5);

Tailwind

colors: {
  custom: {
    50: '#765ba2',
    500: '#371b7b',
    950: '#000000',
  },
}

SCSS

$custom: #371b7b;
$custom-light: #765ba2;
$custom-dark: #000000;

JSON

{
  "hex": "#371b7b",
  "rgb": {
    "r": 55,
    "g": 27,
    "b": 123
  },
  "hsl": {
    "h": 257.5,
    "s": 64,
    "l": 29.412
  },
  "oklch": {
    "l": 0.32866,
    "c": 0.15012,
    "h": 288.5
  },
  "luminance": 0.03026
}

Semantic roles & 50–950 ramp

primary

#371B7B

secondary

#8FAF43

accent

#E741B7

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #371B7B

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

Preview Lab → · Contrast checker → · Palette generator →