#373CC6#373CC6

#373CC6 is a mid, highly saturated blue. Relative luminance 0.081; OKLCH L 45.1% C 0.208 H 272.8°. Best body text is #FFFFFF at 8.00:1 contrast (WCAG AA passes).

Color values

HEX	#373CC6
RGB	rgb(55, 60, 198)
HSL	hsl(238, 57%, 50%)
HSV	hsv(238, 72%, 78%)
CMYK	cmyk(72.2%, 69.7%, 0%, 22.4%)
CIE-LAB	lab(34.23, 43.59, -71.97)
CIE-LCH	lch(34.23, 84.15, 301.20°)
OKLab	oklab(45.12% 0.0101 -0.2082)
OKLCH	oklch(45.12% 0.208 272.8)
XYZ	xyz(13.3810, 8.1198, 54.2772)
Luminance	0.0812 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 2.69

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#373CC6 #C6C137

analogous

#3784C6 #373CC6 #7A37C6

triadic

#373CC6 #C6373C #3CC637

tetradic

#373CC6 #C63784 #C6C137 #37C67A

square

#373CC6 #C63784 #C6C137 #37C67A

split-complementary

#373CC6 #C67A37 #84C637

monochromatic

#1C1F66 #2A2D96 #373CC6 #666AD4 #9698E2

Accessibility & contrast

On white

8.00

#373CC6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#373CC6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373CC6

8.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373CC6	#FFFFFF	#000000	##FFFFFF
##373CC6	1.00	8.00	2.62	8.00
#FFFFFF	8.00	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057CA

Deuteranopia (green-blind)

#004AC3

Tritanopia (blue-blind)

#00627C

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #373cc6;
/* rgb */ color: rgb(55, 60, 198);
/* oklch */ color: oklch(45.1% 0.208 272.8);

Tailwind

colors: {
  custom: {
    50: '#8373d9',
    500: '#373cc6',
    950: '#000000',
  },
}

SCSS

$custom: #373cc6;
$custom-light: #8373d9;
$custom-dark: #000000;

JSON

{
  "hex": "#373cc6",
  "rgb": {
    "r": 55,
    "g": 60,
    "b": 198
  },
  "hsl": {
    "h": 237.902,
    "s": 56.522,
    "l": 49.608
  },
  "oklch": {
    "l": 0.45116,
    "c": 0.20841,
    "h": 272.8
  },
  "luminance": 0.08121
}

Semantic roles & 50–950 ramp

primary

#373CC6

secondary

#CDCB8C

accent

#DA48E0

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #373CC6

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

Preview Lab → · Contrast checker → · Palette generator →