#370E5F#370E5F

#370E5F is a dark, vivid violet. Relative luminance 0.020; OKLCH L 28.6% C 0.131 H 301.0°. Best body text is #FFFFFF at 15.10:1 contrast (WCAG AA passes).

Color values

HEX	#370E5F
RGB	rgb(55, 14, 95)
HSL	hsl(270, 74%, 21%)
HSV	hsv(270, 85%, 37%)
CMYK	cmyk(42.1%, 85.3%, 0%, 62.7%)
CIE-LAB	lab(15.24, 36.30, -39.30)
CIE-LCH	lch(15.24, 53.49, 312.73°)
OKLab	oklab(28.59% 0.0675 -0.1123)
OKLCH	oklch(28.59% 0.131 301)
XYZ	xyz(3.7976, 1.9525, 11.0010)
Luminance	0.0195 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 4.34

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370E5F #365F0E

analogous

#0E0E5F #370E5F #5F0E5F

triadic

#370E5F #5F370E #0E5F37

tetradic

#370E5F #5F0E0E #365F0E #0E5F5F

square

#370E5F #5F0E0E #365F0E #0E5F5F

split-complementary

#370E5F #5F5F0E #0E5F0E

monochromatic

#0F041B #18062A #370E5F #561694 #751ECA

Accessibility & contrast

On white

15.10

#370E5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#370E5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370E5F

15.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370E5F	#FFFFFF	#000000	##FFFFFF
##370E5F	1.00	15.10	1.39	15.10
#FFFFFF	15.10	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002661

Deuteranopia (green-blind)

#00265D

Tritanopia (blue-blind)

#2E2437

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #370e5f;
/* rgb */ color: rgb(55, 14, 95);
/* oklch */ color: oklch(28.6% 0.131 301.0);

Tailwind

colors: {
  custom: {
    50: '#73528d',
    500: '#370e5f',
    950: '#000000',
  },
}

SCSS

$custom: #370e5f;
$custom-light: #73528d;
$custom-dark: #000000;

JSON

{
  "hex": "#370e5f",
  "rgb": {
    "r": 55,
    "g": 14,
    "b": 95
  },
  "hsl": {
    "h": 270.37,
    "s": 74.312,
    "l": 21.373
  },
  "oklch": {
    "l": 0.28588,
    "c": 0.13105,
    "h": 301
  },
  "luminance": 0.01953
}

Semantic roles & 50–950 ramp

primary

#370E5F

secondary

#649930

accent

#F13793

background

#F7F4F8

surface

#EDE7F0

border

#C8C3CB

text

#08020C

muted

#7B787D

Preview Lab

Preview with #370E5F

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

Preview Lab → · Contrast checker → · Palette generator →