#37137C#37137C

#37137C is a dark, vivid violet. Relative luminance 0.027; OKLCH L 32.1% C 0.159 H 289.6°. Best body text is #FFFFFF at 13.58:1 contrast (WCAG AA passes).

Color values

HEX	#37137C
RGB	rgb(55, 19, 124)
HSL	hsl(261, 73%, 28%)
HSV	hsv(261, 85%, 49%)
CMYK	cmyk(55.6%, 84.7%, 0%, 51.4%)
CIE-LAB	lab(18.94, 42.15, -52.12)
CIE-LCH	lch(18.94, 67.03, 308.96°)
OKLab	oklab(32.06% 0.0534 -0.1499)
OKLCH	oklch(32.06% 0.159 289.6)
XYZ	xyz(5.4455, 2.7329, 19.3055)
Luminance	0.0273 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37137C #587C13

analogous

#13247C #37137C #6B137C

triadic

#37137C #7C3713 #137C37

tetradic

#37137C #7C1324 #587C13 #137C6B

square

#37137C #7C1324 #587C13 #137C6B

split-complementary

#37137C #7C6B13 #247C13

monochromatic

#0C041B #1F0B47 #37137C #4F1BB1 #682BDF

Accessibility & contrast

On white

13.58

#37137C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#37137C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37137C

13.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37137C	#FFFFFF	#000000	##FFFFFF
##37137C	1.00	13.58	1.55	13.58
#FFFFFF	13.58	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00307F

Deuteranopia (green-blind)

#002B7A

Tritanopia (blue-blind)

#1C3349

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #37137c;
/* rgb */ color: rgb(55, 19, 124);
/* oklch */ color: oklch(32.1% 0.159 289.6);

Tailwind

colors: {
  custom: {
    50: '#7757a3',
    500: '#37137c',
    950: '#000000',
  },
}

SCSS

$custom: #37137c;
$custom-light: #7757a3;
$custom-dark: #000000;

JSON

{
  "hex": "#37137c",
  "rgb": {
    "r": 55,
    "g": 19,
    "b": 124
  },
  "hsl": {
    "h": 260.571,
    "s": 73.427,
    "l": 28.039
  },
  "oklch": {
    "l": 0.32058,
    "c": 0.15911,
    "h": 289.6
  },
  "luminance": 0.02733
}

Semantic roles & 50–950 ramp

primary

#37137C

secondary

#88B239

accent

#F038B1

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A030F

muted

#7C787F

Preview Lab

Preview with #37137C

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

Preview Lab → · Contrast checker → · Palette generator →