#370439#370439

#370439 is a very dark, moderate purple. Relative luminance 0.012; OKLCH L 24.3% C 0.104 H 326.5°. Best body text is #FFFFFF at 16.95:1 contrast (WCAG AA passes).

Color values

HEX	#370439
RGB	rgb(55, 4, 57)
HSL	hsl(298, 87%, 12%)
HSV	hsv(298, 93%, 22%)
CMYK	cmyk(3.5%, 93%, 0%, 77.6%)
CIE-LAB	lab(10.52, 31.52, -20.64)
CIE-LCH	lch(10.52, 37.67, 326.78°)
OKLab	oklab(24.25% 0.0868 -0.0575)
OKLCH	oklch(24.25% 0.104 326.5)
XYZ	xyz(2.3574, 1.1946, 3.9765)
Luminance	0.0119 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370439 #063904

analogous

#1D0439 #370439 #390421

triadic

#370439 #393704 #043937

tetradic

#370439 #391D04 #063904 #042139

square

#370439 #391D04 #063904 #042139

split-complementary

#370439 #213904 #04391D

monochromatic

#1C021D #1C021D #370439 #6E0872 #A50CAB

Accessibility & contrast

On white

16.95

#370439 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#370439 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370439

16.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370439	#FFFFFF	#000000	##FFFFFF
##370439	1.00	16.95	1.24	16.95
#FFFFFF	16.95	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00183A

Deuteranopia (green-blind)

#111F38

Tritanopia (blue-blind)

#390D1F

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #370439;
/* rgb */ color: rgb(55, 4, 57);
/* oklch */ color: oklch(24.3% 0.104 326.5);

Tailwind

colors: {
  custom: {
    50: '#704c6f',
    500: '#370439',
    950: '#000000',
  },
}

SCSS

$custom: #370439;
$custom-light: #704c6f;
$custom-dark: #000000;

JSON

{
  "hex": "#370439",
  "rgb": {
    "r": 55,
    "g": 4,
    "b": 57
  },
  "hsl": {
    "h": 297.736,
    "s": 86.885,
    "l": 11.961
  },
  "oklch": {
    "l": 0.24251,
    "c": 0.10406,
    "h": 326.5
  },
  "luminance": 0.01194
}

Semantic roles & 50–950 ramp

primary

#370439

secondary

#217B1E

accent

#FD2B33

background

#F7F4F6

surface

#EDE7EC

border

#C8C3C7

text

#080107

muted

#7B777A

Preview Lab

Preview with #370439

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

Preview Lab → · Contrast checker → · Palette generator →