#37105C#37105C

#37105C is a dark, vivid violet. Relative luminance 0.020; OKLCH L 28.5% C 0.126 H 302.1°. Best body text is #FFFFFF at 15.09:1 contrast (WCAG AA passes).

Color values

HEX	#37105C
RGB	rgb(55, 16, 92)
HSL	hsl(271, 70%, 21%)
HSV	hsv(271, 83%, 36%)
CMYK	cmyk(40.2%, 82.6%, 0%, 63.9%)
CIE-LAB	lab(15.25, 34.63, -37.26)
CIE-LCH	lch(15.25, 50.87, 312.90°)
OKLab	oklab(28.51% 0.0667 -0.1064)
OKLCH	oklch(28.51% 0.126 302.1)
XYZ	xyz(3.6921, 1.9555, 10.3061)
Luminance	0.0196 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 4.42

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37105C #355C10

analogous

#11105C #37105C #5C105B

triadic

#37105C #5C3710 #105C37

tetradic

#37105C #5C1110 #355C10 #105B5C

square

#37105C #5C1110 #355C10 #105B5C

split-complementary

#37105C #5B5C10 #105C11

monochromatic

#10051A #180728 #37105C #561990 #7522C4

Accessibility & contrast

On white

15.09

#37105C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#37105C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37105C

15.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37105C	#FFFFFF	#000000	##FFFFFF
##37105C	1.00	15.09	1.39	15.09
#FFFFFF	15.09	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00265E

Deuteranopia (green-blind)

#00265B

Tritanopia (blue-blind)

#2F2436

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #37105c;
/* rgb */ color: rgb(55, 16, 92);
/* oklch */ color: oklch(28.5% 0.126 302.1);

Tailwind

colors: {
  custom: {
    50: '#72538b',
    500: '#37105c',
    950: '#000000',
  },
}

SCSS

$custom: #37105c;
$custom-light: #72538b;
$custom-dark: #000000;

JSON

{
  "hex": "#37105c",
  "rgb": {
    "r": 55,
    "g": 16,
    "b": 92
  },
  "hsl": {
    "h": 270.789,
    "s": 70.37,
    "l": 21.176
  },
  "oklch": {
    "l": 0.28511,
    "c": 0.12553,
    "h": 302.1
  },
  "luminance": 0.01956
}

Semantic roles & 50–950 ramp

primary

#37105C

secondary

#639533

accent

#ED3B92

background

#F7F4F8

surface

#EDE7F0

border

#C8C3CB

text

#08030C

muted

#7B787D

Preview Lab

Preview with #37105C

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

Preview Lab → · Contrast checker → · Palette generator →