#37188E#37188E

#37188E is a dark, vivid violet. Relative luminance 0.034; OKLCH L 34.5% C 0.176 H 284.4°. Best body text is #FFFFFF at 12.47:1 contrast (WCAG AA passes).

Color values

HEX	#37188E
RGB	rgb(55, 24, 142)
HSL	hsl(256, 71%, 33%)
HSV	hsv(256, 83%, 56%)
CMYK	cmyk(61.3%, 83.1%, 0%, 44.3%)
CIE-LAB	lab(21.65, 45.13, -59.00)
CIE-LCH	lch(21.65, 74.28, 307.42°)
OKLab	oklab(34.51% 0.0438 -0.17)
OKLCH	oklch(34.51% 0.176 284.4)
XYZ	xyz(6.7832, 3.4180, 25.8883)
Luminance	0.0342 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37188E #6F8E18

analogous

#18348E #37188E #72188E

triadic

#37188E #8E3718 #188E37

tetradic

#37188E #8E1834 #6F8E18 #188E72

square

#37188E #8E1834 #6F8E18 #188E72

split-complementary

#37188E #8E7218 #348E18

monochromatic

#0E0625 #230F5A #37188E #4B21C2 #6B41DF

Accessibility & contrast

On white

12.47

#37188E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#37188E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37188E

12.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37188E	#FFFFFF	#000000	##FFFFFF
##37188E	1.00	12.47	1.68	12.47
#FFFFFF	12.47	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003791

Deuteranopia (green-blind)

#00308C

Tritanopia (blue-blind)

#003C54

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #37188e;
/* rgb */ color: rgb(55, 24, 142);
/* oklch */ color: oklch(34.5% 0.176 284.4);

Tailwind

colors: {
  custom: {
    50: '#7a5ab0',
    500: '#37188e',
    950: '#000000',
  },
}

SCSS

$custom: #37188e;
$custom-light: #7a5ab0;
$custom-dark: #000000;

JSON

{
  "hex": "#37188e",
  "rgb": {
    "r": 55,
    "g": 24,
    "b": 142
  },
  "hsl": {
    "h": 255.763,
    "s": 71.084,
    "l": 32.549
  },
  "oklch": {
    "l": 0.34509,
    "c": 0.1756,
    "h": 284.4
  },
  "luminance": 0.03418
}

Semantic roles & 50–950 ramp

primary

#37188E

secondary

#9FC042

accent

#EE3ABF

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #37188E

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

Preview Lab → · Contrast checker → · Palette generator →