#373DC6#373DC6

#373DC6 is a mid, highly saturated blue. Relative luminance 0.082; OKLCH L 45.3% C 0.207 H 272.6°. Best body text is #FFFFFF at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#373DC6
RGB	rgb(55, 61, 198)
HSL	hsl(237, 57%, 50%)
HSV	hsv(237, 72%, 78%)
CMYK	cmyk(72.2%, 69.2%, 0%, 22.4%)
CIE-LAB	lab(34.45, 43.00, -71.62)
CIE-LCH	lch(34.45, 83.53, 300.98°)
OKLab	oklab(45.27% 0.0095 -0.2071)
OKLCH	oklch(45.27% 0.207 272.6)
XYZ	xyz(13.4339, 8.2256, 54.2948)
Luminance	0.0823 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 2.49

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#373DC6 #C6C037

analogous

#3784C6 #373DC6 #7937C6

triadic

#373DC6 #C6373D #3DC637

tetradic

#373DC6 #C63784 #C6C037 #37C679

square

#373DC6 #C63784 #C6C037 #37C679

split-complementary

#373DC6 #C67937 #84C637

monochromatic

#1C1F66 #2A2E96 #373DC6 #666AD4 #9699E2

Accessibility & contrast

On white

7.94

#373DC6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#373DC6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373DC6

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373DC6	#FFFFFF	#000000	##FFFFFF
##373DC6	1.00	7.94	2.65	7.94
#FFFFFF	7.94	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058CA

Deuteranopia (green-blind)

#004AC3

Tritanopia (blue-blind)

#00637D

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #373dc6;
/* rgb */ color: rgb(55, 61, 198);
/* oklch */ color: oklch(45.3% 0.207 272.6);

Tailwind

colors: {
  custom: {
    50: '#8373d8',
    500: '#373dc6',
    950: '#000000',
  },
}

SCSS

$custom: #373dc6;
$custom-light: #8373d8;
$custom-dark: #000000;

JSON

{
  "hex": "#373dc6",
  "rgb": {
    "r": 55,
    "g": 61,
    "b": 198
  },
  "hsl": {
    "h": 237.483,
    "s": 56.522,
    "l": 49.608
  },
  "oklch": {
    "l": 0.45272,
    "c": 0.20735,
    "h": 272.6
  },
  "luminance": 0.08227
}

Semantic roles & 50–950 ramp

primary

#373DC6

secondary

#CDCA8C

accent

#D948E0

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #373DC6

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

Preview Lab → · Contrast checker → · Palette generator →