#37187D#37187D

#37187D is a dark, vivid violet. Relative luminance 0.029; OKLCH L 32.7% C 0.156 H 288.5°. Best body text is #FFFFFF at 13.21:1 contrast (WCAG AA passes).

Color values

HEX	#37187D
RGB	rgb(55, 24, 125)
HSL	hsl(258, 68%, 29%)
HSV	hsv(258, 81%, 49%)
CMYK	cmyk(56%, 80.8%, 0%, 51%)
CIE-LAB	lab(19.83, 40.17, -51.29)
CIE-LCH	lch(19.83, 65.15, 308.07°)
OKLab	oklab(32.7% 0.0495 -0.1476)
OKLCH	oklch(32.7% 0.156 288.5)
XYZ	xyz(5.6028, 2.9459, 19.6715)
Luminance	0.0295 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37187D #5E7D18

analogous

#182C7D #37187D #6A187D

triadic

#37187D #7D3718 #187D37

tetradic

#37187D #7D182C #5E7D18 #187D6A

square

#37187D #7D182C #5E7D18 #187D6A

split-complementary

#37187D #7D6A18 #2C7D18

monochromatic

#0B051A #200E4A #37187D #4E22B0 #6837D9

Accessibility & contrast

On white

13.21

#37187D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#37187D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37187D

13.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37187D	#FFFFFF	#000000	##FFFFFF
##37187D	1.00	13.21	1.59	13.21
#FFFFFF	13.21	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003280

Deuteranopia (green-blind)

#002D7B

Tritanopia (blue-blind)

#1A354A

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #37187d;
/* rgb */ color: rgb(55, 24, 125);
/* oklch */ color: oklch(32.7% 0.156 288.5);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#37187d",
  "rgb": {
    "r": 55,
    "g": 24,
    "b": 125
  },
  "hsl": {
    "h": 258.416,
    "s": 67.785,
    "l": 29.216
  },
  "oklch": {
    "l": 0.32703,
    "c": 0.15564,
    "h": 288.5
  },
  "luminance": 0.02946
}

Semantic roles & 50–950 ramp

primary

#37187D

secondary

#8EB23F

accent

#EB3DB5

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #37187D

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

Preview Lab → · Contrast checker → · Palette generator →