#370F4A#370F4A

#370F4A is a dark, moderate purple. Relative luminance 0.016; OKLCH L 26.8% C 0.106 H 312.4°. Best body text is #FFFFFF at 15.79:1 contrast (WCAG AA passes).

Color values

HEX	#370F4A
RGB	rgb(55, 15, 74)
HSL	hsl(281, 66%, 17%)
HSV	hsv(281, 80%, 29%)
CMYK	cmyk(25.7%, 79.7%, 0%, 71%)
CIE-LAB	lab(13.52, 30.45, -27.82)
CIE-LCH	lch(13.52, 41.24, 317.59°)
OKLab	oklab(26.8% 0.0718 -0.0786)
OKLCH	oklch(26.8% 0.106 312.4)
XYZ	xyz(2.9822, 1.6484, 6.6383)
Luminance	0.0165 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370F4A #224A0F

analogous

#1A0F4A #370F4A #4A0F3F

triadic

#370F4A #4A370F #0F4A37

tetradic

#370F4A #4A1A0F #224A0F #0F3F4A

square

#370F4A #4A1A0F #224A0F #0F3F4A

split-complementary

#370F4A #3F4A0F #0F4A1A

monochromatic

#130519 #130519 #370F4A #5D197D #8324B0

Accessibility & contrast

On white

15.79

#370F4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#370F4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370F4A

15.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370F4A	#FFFFFF	#000000	##FFFFFF
##370F4A	1.00	15.79	1.33	15.79
#FFFFFF	15.79	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00214C

Deuteranopia (green-blind)

#082349

Tritanopia (blue-blind)

#351C2B

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #370f4a;
/* rgb */ color: rgb(55, 15, 74);
/* oklch */ color: oklch(26.8% 0.106 312.4);

Tailwind

colors: {
  custom: {
    50: '#70527d',
    500: '#370f4a',
    950: '#000000',
  },
}

SCSS

$custom: #370f4a;
$custom-light: #70527d;
$custom-dark: #000000;

JSON

{
  "hex": "#370f4a",
  "rgb": {
    "r": 55,
    "g": 15,
    "b": 74
  },
  "hsl": {
    "h": 280.678,
    "s": 66.292,
    "l": 17.451
  },
  "oklch": {
    "l": 0.268,
    "c": 0.10645,
    "h": 312.4
  },
  "luminance": 0.01648
}

Semantic roles & 50–950 ramp

primary

#370F4A

secondary

#4B8430

accent

#E93F76

background

#F7F4F7

surface

#EDE7EE

border

#C8C3C9

text

#080209

muted

#7B787B

Preview Lab

Preview with #370F4A

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

Preview Lab → · Contrast checker → · Palette generator →