#37175D#37175D

#37175D is a dark, moderate violet. Relative luminance 0.022; OKLCH L 29.5% C 0.118 H 300.1°. Best body text is #FFFFFF at 14.55:1 contrast (WCAG AA passes).

Color values

HEX	#37175D
RGB	rgb(55, 23, 93)
HSL	hsl(267, 60%, 23%)
HSV	hsv(267, 75%, 36%)
CMYK	cmyk(40.9%, 75.3%, 0%, 63.5%)
CIE-LAB	lab(16.58, 31.40, -35.77)
CIE-LCH	lch(16.58, 47.60, 311.27°)
OKLab	oklab(29.48% 0.0591 -0.102)
OKLCH	oklch(29.48% 0.118 300.1)
XYZ	xyz(3.8572, 2.2153, 10.5782)
Luminance	0.0221 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 4.87

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37175D #3D5D17

analogous

#171A5D #37175D #5A175D

triadic

#37175D #5D3717 #175D37

tetradic

#37175D #5D171A #3D5D17 #175D5A

square

#37175D #5D171A #3D5D17 #175D5A

split-complementary

#37175D #5D5A17 #1A5D17

monochromatic

#0F0619 #1A0B2C #37175D #54238E #712FBF

Accessibility & contrast

On white

14.55

#37175D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#37175D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37175D

14.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37175D	#FFFFFF	#000000	##FFFFFF
##37175D	1.00	14.55	1.44	14.55
#FFFFFF	14.55	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00295F

Deuteranopia (green-blind)

#00285C

Tritanopia (blue-blind)

#2E2838

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #37175d;
/* rgb */ color: rgb(55, 23, 93);
/* oklch */ color: oklch(29.5% 0.118 300.1);

Tailwind

colors: {
  custom: {
    50: '#72578b',
    500: '#37175d',
    950: '#000000',
  },
}

SCSS

$custom: #37175d;
$custom-light: #72578b;
$custom-dark: #000000;

JSON

{
  "hex": "#37175d",
  "rgb": {
    "r": 55,
    "g": 23,
    "b": 93
  },
  "hsl": {
    "h": 267.429,
    "s": 60.345,
    "l": 22.745
  },
  "oklch": {
    "l": 0.29476,
    "c": 0.11788,
    "h": 300.1
  },
  "luminance": 0.02215
}

Semantic roles & 50–950 ramp

primary

#37175D

secondary

#6C943C

accent

#E3449B

background

#F7F5F8

surface

#EDE9F0

border

#C8C5CB

text

#08030C

muted

#7B787D

Preview Lab

Preview with #37175D

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

Preview Lab → · Contrast checker → · Palette generator →