#37188F#37188F

#37188F is a dark, vivid violet. Relative luminance 0.034; OKLCH L 34.6% C 0.177 H 284.2°. Best body text is #FFFFFF at 12.43:1 contrast (WCAG AA passes).

Color values

HEX	#37188F
RGB	rgb(55, 24, 143)
HSL	hsl(256, 71%, 33%)
HSV	hsv(256, 83%, 56%)
CMYK	cmyk(61.5%, 83.2%, 0%, 43.9%)
CIE-LAB	lab(21.76, 45.42, -59.44)
CIE-LCH	lch(21.76, 74.80, 307.39°)
OKLab	oklab(34.62% 0.0434 -0.1713)
OKLCH	oklch(34.62% 0.177 284.2)
XYZ	xyz(6.8586, 3.4482, 26.2854)
Luminance	0.0345 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37188F #708F18

analogous

#18358F #37188F #72188F

triadic

#37188F #8F3718 #188F37

tetradic

#37188F #8F1835 #708F18 #188F72

square

#37188F #8F1835 #708F18 #188F72

split-complementary

#37188F #8F7218 #358F18

monochromatic

#0F0626 #230F5B #37188F #4B21C3 #6B42DF

Accessibility & contrast

On white

12.43

#37188F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#37188F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37188F

12.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37188F	#FFFFFF	#000000	##FFFFFF
##37188F	1.00	12.43	1.69	12.43
#FFFFFF	12.43	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003792

Deuteranopia (green-blind)

#00308D

Tritanopia (blue-blind)

#003D55

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #37188f;
/* rgb */ color: rgb(55, 24, 143);
/* oklch */ color: oklch(34.6% 0.177 284.2);

Tailwind

colors: {
  custom: {
    50: '#7a5ab1',
    500: '#37188f',
    950: '#000000',
  },
}

SCSS

$custom: #37188f;
$custom-light: #7a5ab1;
$custom-dark: #000000;

JSON

{
  "hex": "#37188f",
  "rgb": {
    "r": 55,
    "g": 24,
    "b": 143
  },
  "hsl": {
    "h": 255.63,
    "s": 71.257,
    "l": 32.745
  },
  "oklch": {
    "l": 0.34618,
    "c": 0.17675,
    "h": 284.2
  },
  "luminance": 0.03449
}

Semantic roles & 50–950 ramp

primary

#37188F

secondary

#9FC043

accent

#EE3ABF

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #37188F

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

Preview Lab → · Contrast checker → · Palette generator →