#37174B#37174B

#37174B is a dark, moderate violet. Relative luminance 0.019; OKLCH L 28.0% C 0.095 H 310.0°. Best body text is #FFFFFF at 15.14:1 contrast (WCAG AA passes).

Color values

HEX	#37174B
RGB	rgb(55, 23, 75)
HSL	hsl(277, 53%, 19%)
HSV	hsv(277, 69%, 29%)
CMYK	cmyk(26.7%, 69.3%, 0%, 70.6%)
CIE-LAB	lab(15.13, 26.44, -25.92)
CIE-LCH	lch(15.13, 37.03, 315.58°)
OKLab	oklab(27.98% 0.0613 -0.0731)
OKLCH	oklch(27.98% 0.095 310)
XYZ	xyz(3.1517, 1.9331, 6.8623)
Luminance	0.0193 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37174B #2B4B17

analogous

#1D174B #37174B #4B1745

triadic

#37174B #4B3717 #174B37

tetradic

#37174B #4B1D17 #2B4B17 #17454B

square

#37174B #4B1D17 #2B4B17 #17454B

split-complementary

#37174B #454B17 #174B1D

monochromatic

#110717 #15091C #37174B #59257A #7C34A9

Accessibility & contrast

On white

15.14

#37174B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#37174B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37174B

15.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37174B	#FFFFFF	#000000	##FFFFFF
##37174B	1.00	15.14	1.39	15.14
#FFFFFF	15.14	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#01254D

Deuteranopia (green-blind)

#10264A

Tritanopia (blue-blind)

#34212E

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #37174b;
/* rgb */ color: rgb(55, 23, 75);
/* oklch */ color: oklch(28.0% 0.095 310.0);

Tailwind

colors: {
  custom: {
    50: '#70567e',
    500: '#37174b',
    950: '#000000',
  },
}

SCSS

$custom: #37174b;
$custom-light: #70567e;
$custom-dark: #000000;

JSON

{
  "hex": "#37174b",
  "rgb": {
    "r": 55,
    "g": 23,
    "b": 75
  },
  "hsl": {
    "h": 276.923,
    "s": 53.061,
    "l": 19.216
  },
  "oklch": {
    "l": 0.2798,
    "c": 0.09535,
    "h": 310
  },
  "luminance": 0.01933
}

Semantic roles & 50–950 ramp

primary

#37174B

secondary

#57823C

accent

#DC4B83

background

#F6F5F7

surface

#ECE9EE

border

#C7C5C9

text

#08030A

muted

#7B787C

Preview Lab

Preview with #37174B

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

Preview Lab → · Contrast checker → · Palette generator →