#371D77#371D77

#371D77 is a dark, vivid violet. Relative luminance 0.030; OKLCH L 32.7% C 0.143 H 289.2°. Best body text is #FFFFFF at 13.09:1 contrast (WCAG AA passes).

Color values

HEX	#371D77
RGB	rgb(55, 29, 119)
HSL	hsl(257, 61%, 29%)
HSV	hsv(257, 76%, 47%)
CMYK	cmyk(53.8%, 75.6%, 0%, 53.3%)
CIE-LAB	lab(20.13, 35.79, -46.96)
CIE-LCH	lch(20.13, 59.04, 307.32°)
OKLab	oklab(32.74% 0.0471 -0.1349)
OKLCH	oklch(32.74% 0.143 289.2)
XYZ	xyz(5.3437, 3.0226, 17.7510)
Luminance	0.0302 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371D77 #5D771D

analogous

#1D3077 #371D77 #641D77

triadic

#371D77 #77371D #1D7737

tetradic

#371D77 #771D30 #5D771D #1D7764

square

#371D77 #771D30 #5D771D #1D7764

split-complementary

#371D77 #77641D #30771D

monochromatic

#0B0619 #201146 #371D77 #4E29A8 #683ED0

Accessibility & contrast

On white

13.09

#371D77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#371D77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371D77

13.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371D77	#FFFFFF	#000000	##FFFFFF
##371D77	1.00	13.09	1.60	13.09
#FFFFFF	13.09	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00327A

Deuteranopia (green-blind)

#002E75

Tritanopia (blue-blind)

#1F3548

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #371d77;
/* rgb */ color: rgb(55, 29, 119);
/* oklch */ color: oklch(32.7% 0.143 289.2);

Tailwind

colors: {
  custom: {
    50: '#755c9f',
    500: '#371d77',
    950: '#000000',
  },
}

SCSS

$custom: #371d77;
$custom-light: #755c9f;
$custom-dark: #000000;

JSON

{
  "hex": "#371d77",
  "rgb": {
    "r": 55,
    "g": 29,
    "b": 119
  },
  "hsl": {
    "h": 257.333,
    "s": 60.811,
    "l": 29.02
  },
  "oklch": {
    "l": 0.32737,
    "c": 0.14287,
    "h": 289.2
  },
  "luminance": 0.03023
}

Semantic roles & 50–950 ramp

primary

#371D77

secondary

#8DAB45

accent

#E444B6

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040F

muted

#7B797E

Preview Lab

Preview with #371D77

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

Preview Lab → · Contrast checker → · Palette generator →