#37187E#37187E

#37187E is a dark, vivid violet. Relative luminance 0.030; OKLCH L 32.8% C 0.157 H 288.3°. Best body text is #FFFFFF at 13.17:1 contrast (WCAG AA passes).

Color values

HEX	#37187E
RGB	rgb(55, 24, 126)
HSL	hsl(258, 68%, 29%)
HSV	hsv(258, 81%, 49%)
CMYK	cmyk(56.3%, 81%, 0%, 50.6%)
CIE-LAB	lab(19.93, 40.46, -51.76)
CIE-LCH	lch(19.93, 65.70, 308.02°)
OKLab	oklab(32.81% 0.0492 -0.1489)
OKLCH	oklch(32.81% 0.157 288.3)
XYZ	xyz(5.6670, 2.9716, 20.0096)
Luminance	0.0297 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37187E #5F7E18

analogous

#182C7E #37187E #6A187E

triadic

#37187E #7E3718 #187E37

tetradic

#37187E #7E182C #5F7E18 #187E6A

square

#37187E #7E182C #5F7E18 #187E6A

split-complementary

#37187E #7E6A18 #2C7E18

monochromatic

#0B051A #210E4B #37187E #4D22B1 #6937D9

Accessibility & contrast

On white

13.17

#37187E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#37187E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37187E

13.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37187E	#FFFFFF	#000000	##FFFFFF
##37187E	1.00	13.17	1.59	13.17
#FFFFFF	13.17	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003281

Deuteranopia (green-blind)

#002D7C

Tritanopia (blue-blind)

#19364B

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #37187e;
/* rgb */ color: rgb(55, 24, 126);
/* oklch */ color: oklch(32.8% 0.157 288.3);

Tailwind

colors: {
  custom: {
    50: '#7759a4',
    500: '#37187e',
    950: '#000000',
  },
}

SCSS

$custom: #37187e;
$custom-light: #7759a4;
$custom-dark: #000000;

JSON

{
  "hex": "#37187e",
  "rgb": {
    "r": 55,
    "g": 24,
    "b": 126
  },
  "hsl": {
    "h": 258.235,
    "s": 68,
    "l": 29.412
  },
  "oklch": {
    "l": 0.32806,
    "c": 0.15683,
    "h": 288.3
  },
  "luminance": 0.02972
}

Semantic roles & 50–950 ramp

primary

#37187E

secondary

#8FB23F

accent

#EB3DB6

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #37187E

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

Preview Lab → · Contrast checker → · Palette generator →