#370C56#370C56

#370C56 is a dark, vivid violet. Relative luminance 0.017; OKLCH L 27.5% C 0.123 H 305.8°. Best body text is #FFFFFF at 15.56:1 contrast (WCAG AA passes).

Color values

HEX	#370C56
RGB	rgb(55, 12, 86)
HSL	hsl(275, 76%, 19%)
HSV	hsv(275, 86%, 34%)
CMYK	cmyk(36%, 86%, 0%, 66.3%)
CIE-LAB	lab(14.10, 34.79, -35.10)
CIE-LCH	lch(14.10, 49.42, 314.74°)
OKLab	oklab(27.53% 0.0721 -0.1)
OKLCH	oklch(27.53% 0.123 305.8)
XYZ	xyz(3.3864, 1.7471, 8.9611)
Luminance	0.0175 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370C56 #2B560C

analogous

#120C56 #370C56 #560C50

triadic

#370C56 #56370C #0C5637

tetradic

#370C56 #56120C #2B560C #0C5056

square

#370C56 #56120C #2B560C #0C5056

split-complementary

#370C56 #50560C #0C5612

monochromatic

#11041B #150520 #370C56 #59138C #7C1BC1

Accessibility & contrast

On white

15.56

#370C56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#370C56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370C56

15.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370C56	#FFFFFF	#000000	##FFFFFF
##370C56	1.00	15.56	1.35	15.56
#FFFFFF	15.56	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002358

Deuteranopia (green-blind)

#002455

Tritanopia (blue-blind)

#312031

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #370c56;
/* rgb */ color: rgb(55, 12, 86);
/* oklch */ color: oklch(27.5% 0.123 305.8);

Tailwind

colors: {
  custom: {
    50: '#725186',
    500: '#370c56',
    950: '#000000',
  },
}

SCSS

$custom: #370c56;
$custom-light: #725186;
$custom-dark: #000000;

JSON

{
  "hex": "#370c56",
  "rgb": {
    "r": 55,
    "g": 12,
    "b": 86
  },
  "hsl": {
    "h": 274.865,
    "s": 75.51,
    "l": 19.216
  },
  "oklch": {
    "l": 0.27533,
    "c": 0.12328,
    "h": 305.8
  },
  "luminance": 0.01747
}

Semantic roles & 50–950 ramp

primary

#370C56

secondary

#57912D

accent

#F23685

background

#F7F4F8

surface

#EDE7EF

border

#C8C3CA

text

#08020B

muted

#7B787C

Preview Lab

Preview with #370C56

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

Preview Lab → · Contrast checker → · Palette generator →