#371F71#371F71

#371F71 is a dark, vivid violet. Relative luminance 0.030; OKLCH L 32.5% C 0.133 H 290.5°. Best body text is #FFFFFF at 13.15:1 contrast (WCAG AA passes).

Color values

HEX	#371F71
RGB	rgb(55, 31, 113)
HSL	hsl(258, 57%, 28%)
HSV	hsv(258, 73%, 44%)
CMYK	cmyk(51.3%, 72.6%, 0%, 55.7%)
CIE-LAB	lab(19.98, 32.82, -43.35)
CIE-LCH	lch(19.98, 54.37, 307.13°)
OKLab	oklab(32.46% 0.0464 -0.1243)
OKLCH	oklch(32.46% 0.133 290.5)
XYZ	xyz(5.0453, 2.9843, 15.9298)
Luminance	0.0298 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371F71 #59711F

analogous

#1F3071 #371F71 #601F71

triadic

#371F71 #71371F #1F7137

tetradic

#371F71 #711F30 #59711F #1F7160

square

#371F71 #711F30 #59711F #1F7160

split-complementary

#371F71 #71601F #30711F

monochromatic

#0C0718 #201241 #371F71 #4E2CA1 #6840CB

Accessibility & contrast

On white

13.15

#371F71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#371F71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371F71

13.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371F71	#FFFFFF	#000000	##FFFFFF
##371F71	1.00	13.15	1.60	13.15
#FFFFFF	13.15	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003273

Deuteranopia (green-blind)

#002E6F

Tritanopia (blue-blind)

#243445

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #371f71;
/* rgb */ color: rgb(55, 31, 113);
/* oklch */ color: oklch(32.5% 0.133 290.5);

Tailwind

colors: {
  custom: {
    50: '#745d9b',
    500: '#371f71',
    950: '#000000',
  },
}

SCSS

$custom: #371f71;
$custom-light: #745d9b;
$custom-dark: #000000;

JSON

{
  "hex": "#371f71",
  "rgb": {
    "r": 55,
    "g": 31,
    "b": 113
  },
  "hsl": {
    "h": 257.561,
    "s": 56.944,
    "l": 28.235
  },
  "oklch": {
    "l": 0.32456,
    "c": 0.13272,
    "h": 290.5
  },
  "luminance": 0.02984
}

Semantic roles & 50–950 ramp

primary

#371F71

secondary

#89A547

accent

#E048B4

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040E

muted

#7B797E

Preview Lab

Preview with #371F71

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

Preview Lab → · Contrast checker → · Palette generator →