#37158D#37158D

#37158D is a dark, vivid violet. Relative luminance 0.033; OKLCH L 34.1% C 0.177 H 285.0°. Best body text is #FFFFFF at 12.69:1 contrast (WCAG AA passes).

Color values

HEX	#37158D
RGB	rgb(55, 21, 141)
HSL	hsl(257, 74%, 32%)
HSV	hsv(257, 85%, 55%)
CMYK	cmyk(61%, 85.1%, 0%, 44.7%)
CIE-LAB	lab(21.10, 46.12, -59.28)
CIE-LCH	lch(21.10, 75.11, 307.89°)
OKLab	oklab(34.1% 0.0458 -0.1708)
OKLCH	oklch(34.1% 0.177 285)
XYZ	xyz(6.6500, 3.2712, 25.4751)
Luminance	0.0327 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37158D #6B8D15

analogous

#152F8D #37158D #73158D

triadic

#37158D #8D3715 #158D37

tetradic

#37158D #8D152F #6B8D15 #158D73

square

#37158D #8D152F #6B8D15 #158D73

split-complementary

#37158D #8D7315 #2F8D15

monochromatic

#0D0522 #220D58 #37158D #4C1DC2 #6A3BE2

Accessibility & contrast

On white

12.69

#37158D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#37158D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37158D

12.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37158D	#FFFFFF	#000000	##FFFFFF
##37158D	1.00	12.69	1.65	12.69
#FFFFFF	12.69	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003690

Deuteranopia (green-blind)

#002F8B

Tritanopia (blue-blind)

#003B53

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #37158d;
/* rgb */ color: rgb(55, 21, 141);
/* oklch */ color: oklch(34.1% 0.177 285.0);

Tailwind

colors: {
  custom: {
    50: '#7a59b0',
    500: '#37158d',
    950: '#000000',
  },
}

SCSS

$custom: #37158d;
$custom-light: #7a59b0;
$custom-dark: #000000;

JSON

{
  "hex": "#37158d",
  "rgb": {
    "r": 55,
    "g": 21,
    "b": 141
  },
  "hsl": {
    "h": 257,
    "s": 74.074,
    "l": 31.765
  },
  "oklch": {
    "l": 0.34099,
    "c": 0.17685,
    "h": 285
  },
  "luminance": 0.03272
}

Semantic roles & 50–950 ramp

primary

#37158D

secondary

#9BC13D

accent

#F137BC

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #37158D

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

Preview Lab → · Contrast checker → · Palette generator →