#375FC8#375FC8

#375FC8 is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.7% C 0.170 H 265.2°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#375FC8
RGB	rgb(55, 95, 200)
HSL	hsl(223, 57%, 50%)
HSV	hsv(223, 73%, 78%)
CMYK	cmyk(72.5%, 52.5%, 0%, 21.6%)
CIE-LAB	lab(43.01, 22.23, -58.81)
CIE-LCH	lch(43.01, 62.87, 290.71°)
OKLab	oklab(51.67% -0.0143 -0.1692)
OKLCH	oklch(51.67% 0.17 265.2)
XYZ	xyz(16.0894, 13.1651, 56.3255)
Luminance	0.1317 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375FC8 #C8A037

analogous

#37A8C8 #375FC8 #5737C8

triadic

#375FC8 #C8375F #5FC837

tetradic

#375FC8 #C837A8 #C8A037 #37C857

square

#375FC8 #C837A8 #C8A037 #37C857

split-complementary

#375FC8 #C85737 #A8C837

monochromatic

#1D3168 #2A4898 #375FC8 #6785D5 #97ACE2

Accessibility & contrast

On white

5.78

#375FC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#375FC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375FC8

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375FC8	#FFFFFF	#000000	##FFFFFF
##375FC8	1.00	5.78	3.63	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#166DCC

Deuteranopia (green-blind)

#005FC6

Tritanopia (blue-blind)

#00788A

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #375fc8;
/* rgb */ color: rgb(55, 95, 200);
/* oklch */ color: oklch(51.7% 0.170 265.2);

Tailwind

colors: {
  custom: {
    50: '#818bd9',
    500: '#375fc8',
    950: '#000000',
  },
}

SCSS

$custom: #375fc8;
$custom-light: #818bd9;
$custom-dark: #000000;

JSON

{
  "hex": "#375fc8",
  "rgb": {
    "r": 55,
    "g": 95,
    "b": 200
  },
  "hsl": {
    "h": 223.448,
    "s": 56.863,
    "l": 50
  },
  "oklch": {
    "l": 0.51667,
    "c": 0.16981,
    "h": 265.2
  },
  "luminance": 0.13167
}

Semantic roles & 50–950 ramp

primary

#375FC8

secondary

#CEBC8D

accent

#B648E0

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #375FC8

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

Preview Lab → · Contrast checker → · Palette generator →