#37177D#37177D

#37177D is a dark, vivid violet. Relative luminance 0.029; OKLCH L 32.6% C 0.157 H 288.7°. Best body text is #FFFFFF at 13.28:1 contrast (WCAG AA passes).

Color values

HEX	#37177D
RGB	rgb(55, 23, 125)
HSL	hsl(259, 69%, 29%)
HSV	hsv(259, 82%, 49%)
CMYK	cmyk(56%, 81.6%, 0%, 51%)
CIE-LAB	lab(19.66, 40.65, -51.57)
CIE-LCH	lch(19.66, 65.66, 308.25°)
OKLab	oklab(32.59% 0.0503 -0.1483)
OKLCH	oklch(32.59% 0.157 288.7)
XYZ	xyz(5.5825, 2.9054, 19.6647)
Luminance	0.0291 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37177D #5D7D17

analogous

#172A7D #37177D #6A177D

triadic

#37177D #7D3717 #177D37

tetradic

#37177D #7D172A #5D7D17 #177D6A

square

#37177D #7D172A #5D7D17 #177D6A

split-complementary

#37177D #7D6A17 #2A7D17

monochromatic

#0B051A #200D49 #37177D #4E21B1 #6835DA

Accessibility & contrast

On white

13.28

#37177D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#37177D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37177D

13.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37177D	#FFFFFF	#000000	##FFFFFF
##37177D	1.00	13.28	1.58	13.28
#FFFFFF	13.28	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003280

Deuteranopia (green-blind)

#002D7B

Tritanopia (blue-blind)

#1B354A

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #37177d;
/* rgb */ color: rgb(55, 23, 125);
/* oklch */ color: oklch(32.6% 0.157 288.7);

Tailwind

colors: {
  custom: {
    50: '#7759a4',
    500: '#37177d',
    950: '#000000',
  },
}

SCSS

$custom: #37177d;
$custom-light: #7759a4;
$custom-dark: #000000;

JSON

{
  "hex": "#37177d",
  "rgb": {
    "r": 55,
    "g": 23,
    "b": 125
  },
  "hsl": {
    "h": 258.824,
    "s": 68.919,
    "l": 29.02
  },
  "oklch": {
    "l": 0.32588,
    "c": 0.15663,
    "h": 288.7
  },
  "luminance": 0.02906
}

Semantic roles & 50–950 ramp

primary

#37177D

secondary

#8DB23E

accent

#EC3CB5

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #37177D

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

Preview Lab → · Contrast checker → · Palette generator →