#370E5B#370E5B

#370E5B is a dark, vivid violet. Relative luminance 0.019; OKLCH L 28.2% C 0.127 H 302.9°. Best body text is #FFFFFF at 15.26:1 contrast (WCAG AA passes).

Color values

HEX	#370E5B
RGB	rgb(55, 14, 91)
HSL	hsl(272, 73%, 21%)
HSV	hsv(272, 85%, 36%)
CMYK	cmyk(39.6%, 84.6%, 0%, 64.3%)
CIE-LAB	lab(14.85, 35.25, -37.24)
CIE-LCH	lch(14.85, 51.28, 313.42°)
OKLab	oklab(28.2% 0.0688 -0.1063)
OKLCH	oklch(28.2% 0.127 302.9)
XYZ	xyz(3.6205, 1.8816, 10.0680)
Luminance	0.0188 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 4.41

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370E5B #325B0E

analogous

#100E5B #370E5B #5B0E58

triadic

#370E5B #5B370E #0E5B37

tetradic

#370E5B #5B100E #325B0E #0E585B

square

#370E5B #5B100E #325B0E #0E585B

split-complementary

#370E5B #585B0E #0E5B10

monochromatic

#10041B #170626 #370E5B #571690 #771EC5

Accessibility & contrast

On white

15.26

#370E5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#370E5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370E5B

15.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370E5B	#FFFFFF	#000000	##FFFFFF
##370E5B	1.00	15.26	1.38	15.26
#FFFFFF	15.26	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00255D

Deuteranopia (green-blind)

#00255A

Tritanopia (blue-blind)

#2F2335

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #370e5b;
/* rgb */ color: rgb(55, 14, 91);
/* oklch */ color: oklch(28.2% 0.127 302.9);

Tailwind

colors: {
  custom: {
    50: '#72528a',
    500: '#370e5b',
    950: '#000000',
  },
}

SCSS

$custom: #370e5b;
$custom-light: #72528a;
$custom-dark: #000000;

JSON

{
  "hex": "#370e5b",
  "rgb": {
    "r": 55,
    "g": 14,
    "b": 91
  },
  "hsl": {
    "h": 271.948,
    "s": 73.333,
    "l": 20.588
  },
  "oklch": {
    "l": 0.28204,
    "c": 0.12662,
    "h": 302.9
  },
  "luminance": 0.01882
}

Semantic roles & 50–950 ramp

primary

#370E5B

secondary

#5F9530

accent

#F0388E

background

#F7F4F8

surface

#EDE7F0

border

#C8C3CB

text

#08020C

muted

#7B787D

Preview Lab

Preview with #370E5B

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

Preview Lab → · Contrast checker → · Palette generator →