#373366#373366

#373366 is a dark, moderate blue. Relative luminance 0.041; OKLCH L 35.2% C 0.086 H 284.6°. Best body text is #FFFFFF at 11.49:1 contrast (WCAG AA passes).

Color values

HEX	#373366
RGB	rgb(55, 51, 102)
HSL	hsl(245, 33%, 30%)
HSV	hsv(245, 50%, 40%)
CMYK	cmyk(46.1%, 50%, 0%, 60%)
CIE-LAB	lab(24.13, 16.33, -29.54)
CIE-LCH	lch(24.13, 33.75, 298.94°)
OKLab	oklab(35.24% 0.0218 -0.0837)
OKLCH	oklch(35.24% 0.086 284.6)
XYZ	xyz(5.1570, 4.1390, 13.0950)
Luminance	0.0414 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#373366 #626633

analogous

#334866 #373366 #513366

triadic

#373366 #663733 #336637

tetradic

#373366 #663348 #626633 #336651

square

#373366 #663348 #626633 #336651

split-complementary

#373366 #665133 #486633

monochromatic

#0B0A14 #211F3D #373366 #4D478F #6963B1

Accessibility & contrast

On white

11.49

#373366 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#373366 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373366

11.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373366	#FFFFFF	#000000	##FFFFFF
##373366	1.00	11.49	1.83	11.49
#FFFFFF	11.49	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F3B68

Deuteranopia (green-blind)

#1D3865

Tritanopia (blue-blind)

#283E47

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #373366;
/* rgb */ color: rgb(55, 51, 102);
/* oklch */ color: oklch(35.2% 0.086 284.6);

Tailwind

colors: {
  custom: {
    50: '#716a92',
    500: '#373366',
    950: '#000000',
  },
}

SCSS

$custom: #373366;
$custom-light: #716a92;
$custom-dark: #000000;

JSON

{
  "hex": "#373366",
  "rgb": {
    "r": 55,
    "g": 51,
    "b": 102
  },
  "hsl": {
    "h": 244.706,
    "s": 33.333,
    "l": 30
  },
  "oklch": {
    "l": 0.35238,
    "c": 0.08649,
    "h": 284.6
  },
  "luminance": 0.04139
}

Semantic roles & 50–950 ramp

primary

#373366

secondary

#92975E

accent

#C95EC1

background

#F6F6F9

surface

#ECEBF1

border

#C7C6CB

text

#08060D

muted

#7B7A7E

Preview Lab

Preview with #373366

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

Preview Lab → · Contrast checker → · Palette generator →