#371F77#371F77

#371F77 is a dark, vivid violet. Relative luminance 0.031; OKLCH L 33.0% C 0.140 H 288.8°. Best body text is #FFFFFF at 12.92:1 contrast (WCAG AA passes).

Color values

HEX	#371F77
RGB	rgb(55, 31, 119)
HSL	hsl(256, 59%, 29%)
HSV	hsv(256, 74%, 47%)
CMYK	cmyk(53.8%, 73.9%, 0%, 53.3%)
CIE-LAB	lab(20.53, 34.68, -46.30)
CIE-LCH	lch(20.53, 57.85, 306.83°)
OKLab	oklab(33.02% 0.0452 -0.133)
OKLCH	oklch(33.02% 0.14 288.8)
XYZ	xyz(5.3943, 3.1239, 17.7679)
Luminance	0.0312 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371F77 #5F771F

analogous

#1F3377 #371F77 #631F77

triadic

#371F77 #77371F #1F7737

tetradic

#371F77 #771F33 #5F771F #1F7763

square

#371F77 #771F33 #5F771F #1F7763

split-complementary

#371F77 #77631F #33771F

monochromatic

#0B0618 #211246 #371F77 #4D2CA8 #6943CE

Accessibility & contrast

On white

12.92

#371F77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#371F77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371F77

12.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371F77	#FFFFFF	#000000	##FFFFFF
##371F77	1.00	12.92	1.62	12.92
#FFFFFF	12.92	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337A

Deuteranopia (green-blind)

#002F75

Tritanopia (blue-blind)

#1F3649

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #371f77;
/* rgb */ color: rgb(55, 31, 119);
/* oklch */ color: oklch(33.0% 0.140 288.8);

Tailwind

colors: {
  custom: {
    50: '#755d9f',
    500: '#371f77',
    950: '#000000',
  },
}

SCSS

$custom: #371f77;
$custom-light: #755d9f;
$custom-dark: #000000;

JSON

{
  "hex": "#371f77",
  "rgb": {
    "r": 55,
    "g": 31,
    "b": 119
  },
  "hsl": {
    "h": 256.364,
    "s": 58.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.3302,
    "c": 0.14047,
    "h": 288.8
  },
  "luminance": 0.03124
}

Semantic roles & 50–950 ramp

primary

#371F77

secondary

#8FAB47

accent

#E246B7

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040F

muted

#7B797E

Preview Lab

Preview with #371F77

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

Preview Lab → · Contrast checker → · Palette generator →