#37157B#37157B

#37157B is a dark, vivid violet. Relative luminance 0.028; OKLCH L 32.2% C 0.156 H 289.6°. Best body text is #FFFFFF at 13.50:1 contrast (WCAG AA passes).

Color values

HEX	#37157B
RGB	rgb(55, 21, 123)
HSL	hsl(260, 71%, 28%)
HSV	hsv(260, 83%, 48%)
CMYK	cmyk(55.3%, 82.9%, 0%, 51.8%)
CIE-LAB	lab(19.13, 40.99, -51.16)
CIE-LCH	lch(19.13, 65.55, 308.70°)
OKLab	oklab(32.16% 0.0524 -0.1471)
OKLCH	oklch(32.16% 0.156 289.6)
XYZ	xyz(5.4178, 2.7784, 18.9859)
Luminance	0.0278 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37157B #597B15

analogous

#15267B #37157B #6A157B

triadic

#37157B #7B3715 #157B37

tetradic

#37157B #7B1526 #597B15 #157B6A

square

#37157B #7B1526 #597B15 #157B6A

split-complementary

#37157B #7B6A15 #267B15

monochromatic

#0C041A #200C47 #37157B #4E1EAF #682FDB

Accessibility & contrast

On white

13.50

#37157B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#37157B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37157B

13.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37157B	#FFFFFF	#000000	##FFFFFF
##37157B	1.00	13.50	1.56	13.50
#FFFFFF	13.50	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00307E

Deuteranopia (green-blind)

#002C79

Tritanopia (blue-blind)

#1D3348

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #37157b;
/* rgb */ color: rgb(55, 21, 123);
/* oklch */ color: oklch(32.2% 0.156 289.6);

Tailwind

colors: {
  custom: {
    50: '#7758a2',
    500: '#37157b',
    950: '#000000',
  },
}

SCSS

$custom: #37157b;
$custom-light: #7758a2;
$custom-dark: #000000;

JSON

{
  "hex": "#37157b",
  "rgb": {
    "r": 55,
    "g": 21,
    "b": 123
  },
  "hsl": {
    "h": 260,
    "s": 70.833,
    "l": 28.235
  },
  "oklch": {
    "l": 0.32159,
    "c": 0.15618,
    "h": 289.6
  },
  "luminance": 0.02779
}

Semantic roles & 50–950 ramp

primary

#37157B

secondary

#89B03B

accent

#EE3AB2

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#09030F

muted

#7B787F

Preview Lab

Preview with #37157B

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

Preview Lab → · Contrast checker → · Palette generator →