#370537#370537

#370537 is a very dark, moderate purple. Relative luminance 0.012; OKLCH L 24.2% C 0.101 H 328.1°. Best body text is #FFFFFF at 16.94:1 contrast (WCAG AA passes).

Color values

HEX	#370537
RGB	rgb(55, 5, 55)
HSL	hsl(300, 83%, 12%)
HSV	hsv(300, 91%, 22%)
CMYK	cmyk(0%, 90.9%, 0%, 78.4%)
CIE-LAB	lab(10.53, 30.66, -19.16)
CIE-LCH	lch(10.53, 36.15, 327.99°)
OKLab	oklab(24.22% 0.0856 -0.0532)
OKLCH	oklch(24.22% 0.101 328.1)
XYZ	xyz(2.3194, 1.1968, 3.7225)
Luminance	0.0120 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370537 #053705

analogous

#1E0537 #370537 #37051E

triadic

#370537 #373705 #053737

tetradic

#370537 #371E05 #053705 #051E37

square

#370537 #371E05 #053705 #051E37

split-complementary

#370537 #1E3705 #05371E

monochromatic

#1C031C #1C031C #370537 #6F0A6F #A70FA7

Accessibility & contrast

On white

16.94

#370537 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#370537 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370537

16.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370537	#FFFFFF	#000000	##FFFFFF
##370537	1.00	16.94	1.24	16.94
#FFFFFF	16.94	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001838

Deuteranopia (green-blind)

#131F36

Tritanopia (blue-blind)

#390D1E

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #370537;
/* rgb */ color: rgb(55, 5, 55);
/* oklch */ color: oklch(24.2% 0.101 328.1);

Tailwind

colors: {
  custom: {
    50: '#704c6e',
    500: '#370537',
    950: '#000000',
  },
}

SCSS

$custom: #370537;
$custom-light: #704c6e;
$custom-dark: #000000;

JSON

{
  "hex": "#370537",
  "rgb": {
    "r": 55,
    "g": 5,
    "b": 55
  },
  "hsl": {
    "h": 300,
    "s": 83.333,
    "l": 11.765
  },
  "oklch": {
    "l": 0.24216,
    "c": 0.10077,
    "h": 328.1
  },
  "luminance": 0.01197
}

Semantic roles & 50–950 ramp

primary

#370537

secondary

#207820

accent

#FA2E2E

background

#F6F4F6

surface

#ECE7EC

border

#C7C3C7

text

#080107

muted

#7B777A

Preview Lab

Preview with #370537

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

Preview Lab → · Contrast checker → · Palette generator →