#373897#373897

#373897 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.1% C 0.152 H 276.6°. Best body text is #FFFFFF at 9.66:1 contrast (WCAG AA passes).

Color values

HEX	#373897
RGB	rgb(55, 56, 151)
HSL	hsl(239, 47%, 40%)
HSV	hsv(239, 64%, 59%)
CMYK	cmyk(63.6%, 62.9%, 0%, 40.8%)
CIE-LAB	lab(29.09, 29.87, -52.33)
CIE-LCH	lch(29.09, 60.26, 299.72°)
OKLab	oklab(40.09% 0.0176 -0.1506)
OKLCH	oklch(40.09% 0.152 276.6)
XYZ	xyz(8.5738, 5.8743, 29.9542)
Luminance	0.0587 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#373897 #979637

analogous

#376897 #373897 #663797

triadic

#373897 #973738 #389737

tetradic

#373897 #973768 #979637 #379766

square

#373897 #973768 #979637 #379766

split-complementary

#373897 #976637 #689737

monochromatic

#16173D #27276A #373897 #4D4EBE #7A7BCF

Accessibility & contrast

On white

9.66

#373897 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#373897 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373897

9.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373897	#FFFFFF	#000000	##FFFFFF
##373897	1.00	9.66	2.17	9.66
#FFFFFF	9.66	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499A

Deuteranopia (green-blind)

#004095

Tritanopia (blue-blind)

#005062

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #373897;
/* rgb */ color: rgb(55, 56, 151);
/* oklch */ color: oklch(40.1% 0.152 276.6);

Tailwind

colors: {
  custom: {
    50: '#796fb6',
    500: '#373897',
    950: '#000000',
  },
}

SCSS

$custom: #373897;
$custom-light: #796fb6;
$custom-dark: #000000;

JSON

{
  "hex": "#373897",
  "rgb": {
    "r": 55,
    "g": 56,
    "b": 151
  },
  "hsl": {
    "h": 239.375,
    "s": 46.602,
    "l": 40.392
  },
  "oklch": {
    "l": 0.4009,
    "c": 0.15167,
    "h": 276.6
  },
  "luminance": 0.05875
}

Semantic roles & 50–950 ramp

primary

#373897

secondary

#B8B772

accent

#D552D6

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #373897

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

Preview Lab → · Contrast checker → · Palette generator →