#373497#373497

#373497 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.4% C 0.157 H 277.7°. Best body text is #FFFFFF at 10.00:1 contrast (WCAG AA passes).

Color values

HEX	#373497
RGB	rgb(55, 52, 151)
HSL	hsl(242, 49%, 40%)
HSV	hsv(242, 66%, 59%)
CMYK	cmyk(63.6%, 65.6%, 0%, 40.8%)
CIE-LAB	lab(28.12, 32.44, -53.92)
CIE-LCH	lch(28.12, 62.92, 301.03°)
OKLab	oklab(39.38% 0.0211 -0.1553)
OKLCH	oklch(39.38% 0.157 277.7)
XYZ	xyz(8.3877, 5.5019, 29.8921)
Luminance	0.0550 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#373497 #949734

analogous

#346397 #373497 #683497

triadic

#373497 #973734 #349737

tetradic

#373497 #973463 #949734 #349768

square

#373497 #973463 #949734 #349768

split-complementary

#373497 #976834 #639734

monochromatic

#16153C #262469 #373497 #4C48C0 #7876D0

Accessibility & contrast

On white

10.00

#373497 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#373497 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373497

10.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373497	#FFFFFF	#000000	##FFFFFF
##373497	1.00	10.00	2.10	10.00
#FFFFFF	10.00	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00469A

Deuteranopia (green-blind)

#003E95

Tritanopia (blue-blind)

#004D60

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #373497;
/* rgb */ color: rgb(55, 52, 151);
/* oklch */ color: oklch(39.4% 0.157 277.7);

Tailwind

colors: {
  custom: {
    50: '#796cb6',
    500: '#373497',
    950: '#000000',
  },
}

SCSS

$custom: #373497;
$custom-light: #796cb6;
$custom-dark: #000000;

JSON

{
  "hex": "#373497",
  "rgb": {
    "r": 55,
    "g": 52,
    "b": 151
  },
  "hsl": {
    "h": 241.818,
    "s": 48.768,
    "l": 39.804
  },
  "oklch": {
    "l": 0.39378,
    "c": 0.15677,
    "h": 277.7
  },
  "luminance": 0.05503
}

Semantic roles & 50–950 ramp

primary

#373497

secondary

#B6B86F

accent

#D84FD4

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #373497

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

Preview Lab → · Contrast checker → · Palette generator →