#370F54#370F54

#370F54 is a dark, moderate violet. Relative luminance 0.018; OKLCH L 27.7% C 0.118 H 306.4°. Best body text is #FFFFFF at 15.45:1 contrast (WCAG AA passes).

Color values

HEX	#370F54
RGB	rgb(55, 15, 84)
HSL	hsl(275, 70%, 19%)
HSV	hsv(275, 82%, 33%)
CMYK	cmyk(34.5%, 82.1%, 0%, 67.1%)
CIE-LAB	lab(14.37, 32.98, -33.31)
CIE-LCH	lch(14.37, 46.88, 314.72°)
OKLab	oklab(27.66% 0.0698 -0.0947)
OKLCH	oklch(27.66% 0.118 306.4)
XYZ	xyz(3.3463, 1.7940, 8.5558)
Luminance	0.0179 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370F54 #2C540F

analogous

#150F54 #370F54 #540F4F

triadic

#370F54 #54370F #0F5437

tetradic

#370F54 #54150F #2C540F #0F4F54

square

#370F54 #54150F #2C540F #0F4F54

split-complementary

#370F54 #4F540F #0F5415

monochromatic

#11051A #150620 #370F54 #591888 #7B22BC

Accessibility & contrast

On white

15.45

#370F54 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#370F54 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370F54

15.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370F54	#FFFFFF	#000000	##FFFFFF
##370F54	1.00	15.45	1.36	15.45
#FFFFFF	15.45	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002356

Deuteranopia (green-blind)

#002553

Tritanopia (blue-blind)

#322031

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #370f54;
/* rgb */ color: rgb(55, 15, 84);
/* oklch */ color: oklch(27.7% 0.118 306.4);

Tailwind

colors: {
  custom: {
    50: '#715285',
    500: '#370f54',
    950: '#000000',
  },
}

SCSS

$custom: #370f54;
$custom-light: #715285;
$custom-dark: #000000;

JSON

{
  "hex": "#370f54",
  "rgb": {
    "r": 55,
    "g": 15,
    "b": 84
  },
  "hsl": {
    "h": 274.783,
    "s": 69.697,
    "l": 19.412
  },
  "oklch": {
    "l": 0.27664,
    "c": 0.11766,
    "h": 306.4
  },
  "luminance": 0.01794
}

Semantic roles & 50–950 ramp

primary

#370F54

secondary

#588E31

accent

#ED3B86

background

#F7F4F8

surface

#EDE7EF

border

#C8C3CA

text

#08020B

muted

#7B787C

Preview Lab

Preview with #370F54

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

Preview Lab → · Contrast checker → · Palette generator →