#373DCA#373DCA

#373DCA is a mid, highly saturated blue. Relative luminance 0.084; OKLCH L 45.7% C 0.212 H 272.4°. Best body text is #FFFFFF at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#373DCA
RGB	rgb(55, 61, 202)
HSL	hsl(238, 58%, 50%)
HSV	hsv(238, 73%, 79%)
CMYK	cmyk(72.8%, 69.8%, 0%, 20.8%)
CIE-LAB	lab(34.83, 44.35, -73.33)
CIE-LCH	lch(34.83, 85.69, 301.17°)
OKLab	oklab(45.66% 0.009 -0.2121)
OKLCH	oklch(45.66% 0.212 272.4)
XYZ	xyz(13.9014, 8.4126, 56.7568)
Luminance	0.0841 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 2.60

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#373DCA #CAC437

analogous

#3786CA #373DCA #7A37CA

triadic

#373DCA #CA373D #3DCA37

tetradic

#373DCA #CA3786 #CAC437 #37CA7A

square

#373DCA #CA3786 #CAC437 #37CA7A

split-complementary

#373DCA #CA7A37 #86CA37

monochromatic

#1C1F6A #292E9B #373DCA #676CD7 #989BE4

Accessibility & contrast

On white

7.83

#373DCA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#373DCA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373DCA

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373DCA	#FFFFFF	#000000	##FFFFFF
##373DCA	1.00	7.83	2.68	7.83
#FFFFFF	7.83	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059CE

Deuteranopia (green-blind)

#004BC7

Tritanopia (blue-blind)

#00647F

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #373dca;
/* rgb */ color: rgb(55, 61, 202);
/* oklch */ color: oklch(45.7% 0.212 272.4);

Tailwind

colors: {
  custom: {
    50: '#8373db',
    500: '#373dca',
    950: '#000000',
  },
}

SCSS

$custom: #373dca;
$custom-light: #8373db;
$custom-dark: #000000;

JSON

{
  "hex": "#373dca",
  "rgb": {
    "r": 55,
    "g": 61,
    "b": 202
  },
  "hsl": {
    "h": 237.551,
    "s": 58.103,
    "l": 50.392
  },
  "oklch": {
    "l": 0.4566,
    "c": 0.2123,
    "h": 272.4
  },
  "luminance": 0.08414
}

Semantic roles & 50–950 ramp

primary

#373DCA

secondary

#CFCD8E

accent

#DB46E1

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #373DCA

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

Preview Lab → · Contrast checker → · Palette generator →