#371B7A#371B7A

#371B7A is a dark, vivid violet. Relative luminance 0.030; OKLCH L 32.8% C 0.149 H 288.8°. Best body text is #FFFFFF at 13.12:1 contrast (WCAG AA passes).

Color values

HEX	#371B7A
RGB	rgb(55, 27, 122)
HSL	hsl(258, 64%, 29%)
HSV	hsv(258, 78%, 48%)
CMYK	cmyk(54.9%, 77.9%, 0%, 52.2%)
CIE-LAB	lab(20.05, 37.77, -49.02)
CIE-LCH	lch(20.05, 61.88, 307.62°)
OKLab	oklab(32.77% 0.048 -0.1409)
OKLCH	oklch(32.77% 0.149 288.8)
XYZ	xyz(5.4793, 3.0010, 18.6991)
Luminance	0.0300 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371B7A #5E7A1B

analogous

#1B2F7A #371B7A #671B7A

triadic

#371B7A #7A371B #1B7A37

tetradic

#371B7A #7A1B2F #5E7A1B #1B7A67

square

#371B7A #7A1B2F #5E7A1B #1B7A67

split-complementary

#371B7A #7A671B #2F7A1B

monochromatic

#0B0619 #201048 #371B7A #4E26AC #683CD4

Accessibility & contrast

On white

13.12

#371B7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#371B7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371B7A

13.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371B7A	#FFFFFF	#000000	##FFFFFF
##371B7A	1.00	13.12	1.60	13.12
#FFFFFF	13.12	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00327D

Deuteranopia (green-blind)

#002E78

Tritanopia (blue-blind)

#1D3549

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #371b7a;
/* rgb */ color: rgb(55, 27, 122);
/* oklch */ color: oklch(32.8% 0.149 288.8);

Tailwind

colors: {
  custom: {
    50: '#765ba1',
    500: '#371b7a',
    950: '#000000',
  },
}

SCSS

$custom: #371b7a;
$custom-light: #765ba1;
$custom-dark: #000000;

JSON

{
  "hex": "#371b7a",
  "rgb": {
    "r": 55,
    "g": 27,
    "b": 122
  },
  "hsl": {
    "h": 257.684,
    "s": 63.758,
    "l": 29.216
  },
  "oklch": {
    "l": 0.32766,
    "c": 0.14889,
    "h": 288.8
  },
  "luminance": 0.03001
}

Semantic roles & 50–950 ramp

primary

#371B7A

secondary

#8EAE43

accent

#E741B6

background

#F7F5FA

surface

#EEE9F3

border

#C9C5CD

text

#09040F

muted

#7B797F

Preview Lab

Preview with #371B7A

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

Preview Lab → · Contrast checker → · Palette generator →