#370D56#370D56

#370D56 is a dark, vivid violet. Relative luminance 0.018; OKLCH L 27.6% C 0.122 H 305.7°. Best body text is #FFFFFF at 15.51:1 contrast (WCAG AA passes).

Color values

HEX	#370D56
RGB	rgb(55, 13, 86)
HSL	hsl(275, 74%, 19%)
HSV	hsv(275, 85%, 34%)
CMYK	cmyk(36%, 84.9%, 0%, 66.3%)
CIE-LAB	lab(14.24, 34.37, -34.87)
CIE-LCH	lch(14.24, 48.96, 314.59°)
OKLab	oklab(27.63% 0.0712 -0.0993)
OKLCH	oklch(27.63% 0.122 305.7)
XYZ	xyz(3.3988, 1.7720, 8.9653)
Luminance	0.0177 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370D56 #2C560D

analogous

#130D56 #370D56 #560D51

triadic

#370D56 #56370D #0D5637

tetradic

#370D56 #56130D #2C560D #0D5156

square

#370D56 #56130D #2C560D #0D5156

split-complementary

#370D56 #51560D #0D5613

monochromatic

#11041B #150521 #370D56 #59158B #7B1DC0

Accessibility & contrast

On white

15.51

#370D56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#370D56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370D56

15.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370D56	#FFFFFF	#000000	##FFFFFF
##370D56	1.00	15.51	1.35	15.51
#FFFFFF	15.51	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.51	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: #370d56;
/* rgb */ color: rgb(55, 13, 86);
/* oklch */ color: oklch(27.6% 0.122 305.7);

Tailwind

colors: {
  custom: {
    50: '#725186',
    500: '#370d56',
    950: '#000000',
  },
}

SCSS

$custom: #370d56;
$custom-light: #725186;
$custom-dark: #000000;

JSON

{
  "hex": "#370d56",
  "rgb": {
    "r": 55,
    "g": 13,
    "b": 86
  },
  "hsl": {
    "h": 274.521,
    "s": 73.737,
    "l": 19.412
  },
  "oklch": {
    "l": 0.27632,
    "c": 0.12219,
    "h": 305.7
  },
  "luminance": 0.01772
}

Semantic roles & 50–950 ramp

primary

#370D56

secondary

#58912E

accent

#F03786

background

#F7F4F8

surface

#EDE7EF

border

#C8C3CA

text

#08020B

muted

#7B787C

Preview Lab

Preview with #370D56

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

Preview Lab → · Contrast checker → · Palette generator →