#370D5D#370D5D

#370D5D is a dark, vivid violet. Relative luminance 0.019; OKLCH L 28.3% C 0.130 H 302.1°. Best body text is #FFFFFF at 15.24:1 contrast (WCAG AA passes).

Color values

HEX	#370D5D
RGB	rgb(55, 13, 93)
HSL	hsl(272, 75%, 21%)
HSV	hsv(272, 86%, 36%)
CMYK	cmyk(40.9%, 86%, 0%, 63.5%)
CIE-LAB	lab(14.90, 36.18, -38.51)
CIE-LCH	lch(14.90, 52.84, 313.22°)
OKLab	oklab(28.3% 0.0691 -0.11)
OKLCH	oklch(28.3% 0.13 302.1)
XYZ	xyz(3.6948, 1.8904, 10.5240)
Luminance	0.0189 (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

#370D5D #335D0D

analogous

#0F0D5D #370D5D #5D0D5B

triadic

#370D5D #5D370D #0D5D37

tetradic

#370D5D #5D0F0D #335D0D #0D5B5D

square

#370D5D #5D0F0D #335D0D #0D5B5D

split-complementary

#370D5D #5B5D0D #0D5D0F

monochromatic

#10041B #170527 #370D5D #571593 #771CC8

Accessibility & contrast

On white

15.24

#370D5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#370D5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #370D5D

15.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##370D5D	#FFFFFF	#000000	##FFFFFF
##370D5D	1.00	15.24	1.38	15.24
#FFFFFF	15.24	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00255F

Deuteranopia (green-blind)

#00255B

Tritanopia (blue-blind)

#2F2335

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #370d5d;
/* rgb */ color: rgb(55, 13, 93);
/* oklch */ color: oklch(28.3% 0.130 302.1);

Tailwind

colors: {
  custom: {
    50: '#73528c',
    500: '#370d5d',
    950: '#000000',
  },
}

SCSS

$custom: #370d5d;
$custom-light: #73528c;
$custom-dark: #000000;

JSON

{
  "hex": "#370d5d",
  "rgb": {
    "r": 55,
    "g": 13,
    "b": 93
  },
  "hsl": {
    "h": 271.5,
    "s": 75.472,
    "l": 20.784
  },
  "oklch": {
    "l": 0.28296,
    "c": 0.12986,
    "h": 302.1
  },
  "luminance": 0.0189
}

Semantic roles & 50–950 ramp

primary

#370D5D

secondary

#60972F

accent

#F2368F

background

#F7F4F8

surface

#EDE7F0

border

#C8C3CB

text

#08020C

muted

#7B787D

Preview Lab

Preview with #370D5D

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

Preview Lab → · Contrast checker → · Palette generator →