#373EC6#373EC6

#373EC6 is a mid, highly saturated blue. Relative luminance 0.083; OKLCH L 45.4% C 0.206 H 272.5°. Best body text is #FFFFFF at 7.87:1 contrast (WCAG AA passes).

Color values

HEX	#373EC6
RGB	rgb(55, 62, 198)
HSL	hsl(237, 57%, 50%)
HSV	hsv(237, 72%, 78%)
CMYK	cmyk(72.2%, 68.7%, 0%, 22.4%)
CIE-LAB	lab(34.67, 42.40, -71.26)
CIE-LCH	lch(34.67, 82.92, 300.76°)
OKLab	oklab(45.43% 0.0089 -0.2061)
OKLCH	oklch(45.43% 0.206 272.5)
XYZ	xyz(13.4878, 8.3333, 54.3128)
Luminance	0.0833 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 2.30

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#373EC6 #C6BF37

analogous

#3786C6 #373EC6 #7837C6

triadic

#373EC6 #C6373E #3EC637

tetradic

#373EC6 #C63786 #C6BF37 #37C678

square

#373EC6 #C63786 #C6BF37 #37C678

split-complementary

#373EC6 #C67837 #86C637

monochromatic

#1C2066 #2A2F96 #373EC6 #666BD4 #9699E2

Accessibility & contrast

On white

7.87

#373EC6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#373EC6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #373EC6

7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##373EC6	#FFFFFF	#000000	##FFFFFF
##373EC6	1.00	7.87	2.67	7.87
#FFFFFF	7.87	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058CA

Deuteranopia (green-blind)

#004BC3

Tritanopia (blue-blind)

#00637D

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #373ec6;
/* rgb */ color: rgb(55, 62, 198);
/* oklch */ color: oklch(45.4% 0.206 272.5);

Tailwind

colors: {
  custom: {
    50: '#8374d8',
    500: '#373ec6',
    950: '#000000',
  },
}

SCSS

$custom: #373ec6;
$custom-light: #8374d8;
$custom-dark: #000000;

JSON

{
  "hex": "#373ec6",
  "rgb": {
    "r": 55,
    "g": 62,
    "b": 198
  },
  "hsl": {
    "h": 237.063,
    "s": 56.522,
    "l": 49.608
  },
  "oklch": {
    "l": 0.45431,
    "c": 0.20626,
    "h": 272.5
  },
  "luminance": 0.08335
}

Semantic roles & 50–950 ramp

primary

#373EC6

secondary

#CDCA8C

accent

#D848E0

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0C0815

muted

#7D7B83

Preview Lab

Preview with #373EC6

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

Preview Lab → · Contrast checker → · Palette generator →