#37105A#37105A

#37105A is a dark, vivid violet. Relative luminance 0.019; OKLCH L 28.3% C 0.123 H 303.1°. Best body text is #FFFFFF at 15.17:1 contrast (WCAG AA passes).

Color values

HEX	#37105A
RGB	rgb(55, 16, 90)
HSL	hsl(272, 70%, 21%)
HSV	hsv(272, 82%, 35%)
CMYK	cmyk(38.9%, 82.2%, 0%, 64.7%)
CIE-LAB	lab(15.07, 34.10, -36.22)
CIE-LCH	lch(15.07, 49.75, 313.27°)
OKLab	oklab(28.32% 0.0672 -0.1033)
OKLCH	oklch(28.32% 0.123 303.1)
XYZ	xyz(3.6059, 1.9210, 9.8517)
Luminance	0.0192 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 4.51

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37105A #335A10

analogous

#12105A #37105A #5A1058

triadic

#37105A #5A3710 #105A37

tetradic

#37105A #5A1210 #335A10 #10585A

square

#37105A #5A1210 #335A10 #10585A

split-complementary

#37105A #585A10 #105A12

monochromatic

#10051A #170726 #37105A #57198E #7722C2

Accessibility & contrast

On white

15.17

#37105A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#37105A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37105A

15.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37105A	#FFFFFF	#000000	##FFFFFF
##37105A	1.00	15.17	1.38	15.17
#FFFFFF	15.17	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00255C

Deuteranopia (green-blind)

#002659

Tritanopia (blue-blind)

#302334

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #37105a;
/* rgb */ color: rgb(55, 16, 90);
/* oklch */ color: oklch(28.3% 0.123 303.1);

Tailwind

colors: {
  custom: {
    50: '#725389',
    500: '#37105a',
    950: '#000000',
  },
}

SCSS

$custom: #37105a;
$custom-light: #725389;
$custom-dark: #000000;

JSON

{
  "hex": "#37105a",
  "rgb": {
    "r": 55,
    "g": 16,
    "b": 90
  },
  "hsl": {
    "h": 271.622,
    "s": 69.811,
    "l": 20.784
  },
  "oklch": {
    "l": 0.28324,
    "c": 0.12325,
    "h": 303.1
  },
  "luminance": 0.01921
}

Semantic roles & 50–950 ramp

primary

#37105A

secondary

#609333

accent

#ED3B8F

background

#F7F4F8

surface

#EDE7F0

border

#C8C3CB

text

#08030C

muted

#7B787D

Preview Lab

Preview with #37105A

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

Preview Lab → · Contrast checker → · Palette generator →