#375EC4#375EC4

#375EC4 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.2% C 0.166 H 265.2°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#375EC4
RGB	rgb(55, 94, 196)
HSL	hsl(223, 56%, 49%)
HSV	hsv(223, 72%, 77%)
CMYK	cmyk(71.9%, 52%, 0%, 23.1%)
CIE-LAB	lab(42.46, 21.40, -57.38)
CIE-LCH	lch(42.46, 61.24, 290.46°)
OKLab	oklab(51.16% -0.0138 -0.165)
OKLCH	oklch(51.16% 0.166 265.2)
XYZ	xyz(15.5386, 12.8015, 53.8659)
Luminance	0.1280 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375EC4 #C49D37

analogous

#37A5C4 #375EC4 #5737C4

triadic

#375EC4 #C4375E #5EC437

tetradic

#375EC4 #C437A5 #C49D37 #37C457

square

#375EC4 #C437A5 #C49D37 #37C457

split-complementary

#375EC4 #C45737 #A5C437

monochromatic

#1C3064 #2A4794 #375EC4 #6583D4 #94AAE1

Accessibility & contrast

On white

5.90

#375EC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#375EC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375EC4

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375EC4	#FFFFFF	#000000	##FFFFFF
##375EC4	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A6BC8

Deuteranopia (green-blind)

#005EC2

Tritanopia (blue-blind)

#007688

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #375ec4;
/* rgb */ color: rgb(55, 94, 196);
/* oklch */ color: oklch(51.2% 0.166 265.2);

Tailwind

colors: {
  custom: {
    50: '#808bd7',
    500: '#375ec4',
    950: '#000000',
  },
}

SCSS

$custom: #375ec4;
$custom-light: #808bd7;
$custom-dark: #000000;

JSON

{
  "hex": "#375ec4",
  "rgb": {
    "r": 55,
    "g": 94,
    "b": 196
  },
  "hsl": {
    "h": 223.404,
    "s": 56.175,
    "l": 49.216
  },
  "oklch": {
    "l": 0.51163,
    "c": 0.16561,
    "h": 265.2
  },
  "luminance": 0.12803
}

Semantic roles & 50–950 ramp

primary

#375EC4

secondary

#CCBA8B

accent

#B648DF

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #375EC4

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

Preview Lab → · Contrast checker → · Palette generator →