#370E5D#370E5D

#370E5D is a dark, vivid violet. Relative luminance 0.019; OKLCH L 28.4% C 0.129 H 302.0°. Best body text is #FFFFFF at 15.18:1 contrast (WCAG AA passes).

Color values

HEX	#370E5D
RGB	rgb(55, 14, 93)
HSL	hsl(271, 74%, 21%)
HSV	hsv(271, 85%, 36%)
CMYK	cmyk(40.9%, 84.9%, 0%, 63.5%)
CIE-LAB	lab(15.04, 35.77, -38.27)
CIE-LCH	lch(15.04, 52.39, 313.06°)
OKLab	oklab(28.4% 0.0682 -0.1093)
OKLCH	oklch(28.4% 0.129 302)
XYZ	xyz(3.7079, 1.9166, 10.5284)
Luminance	0.0192 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 4.35

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#370E5D #345D0E

analogous

#0F0E5D #370E5D #5D0E5B

triadic

#370E5D #5D370E #0E5D37

tetradic

#370E5D #5D0F0E #345D0E #0E5B5D

square

#370E5D #5D0F0E #345D0E #0E5B5D

split-complementary

#370E5D #5B5D0E #0E5D0F

monochromatic

#10041B #180628 #370E5D #561692 #761EC7

Accessibility & contrast

On white

15.18

#370E5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#370E5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370E5D

15.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370E5D	#FFFFFF	#000000	##FFFFFF
##370E5D	1.00	15.18	1.38	15.18
#FFFFFF	15.18	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00255F

Deuteranopia (green-blind)

#00255B

Tritanopia (blue-blind)

#2F2436

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #370e5d;
/* rgb */ color: rgb(55, 14, 93);
/* oklch */ color: oklch(28.4% 0.129 302.0);

Tailwind

colors: {
  custom: {
    50: '#73528c',
    500: '#370e5d',
    950: '#000000',
  },
}

SCSS

$custom: #370e5d;
$custom-light: #73528c;
$custom-dark: #000000;

JSON

{
  "hex": "#370e5d",
  "rgb": {
    "r": 55,
    "g": 14,
    "b": 93
  },
  "hsl": {
    "h": 271.139,
    "s": 73.832,
    "l": 20.98
  },
  "oklch": {
    "l": 0.28395,
    "c": 0.12884,
    "h": 302
  },
  "luminance": 0.01917
}

Semantic roles & 50–950 ramp

primary

#370E5D

secondary

#619730

accent

#F03790

background

#F7F4F8

surface

#EDE7F0

border

#C8C3CB

text

#08020C

muted

#7B787D

Preview Lab

Preview with #370E5D

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

Preview Lab → · Contrast checker → · Palette generator →