#375EC8#375EC8

#375EC8 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.5% C 0.171 H 265.5°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#375EC8
RGB	rgb(55, 94, 200)
HSL	hsl(224, 57%, 50%)
HSV	hsv(224, 73%, 78%)
CMYK	cmyk(72.5%, 53%, 0%, 21.6%)
CIE-LAB	lab(42.74, 22.88, -59.24)
CIE-LCH	lch(42.74, 63.51, 291.11°)
OKLab	oklab(51.46% -0.0134 -0.1705)
OKLCH	oklch(51.46% 0.171 265.5)
XYZ	xyz(15.9999, 12.9861, 56.2957)
Luminance	0.1299 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#375EC8 #C8A137

analogous

#37A7C8 #375EC8 #5837C8

triadic

#375EC8 #C8375E #5EC837

tetradic

#375EC8 #C837A7 #C8A137 #37C858

square

#375EC8 #C837A7 #C8A137 #37C858

split-complementary

#375EC8 #C85837 #A7C837

monochromatic

#1D3168 #2A4798 #375EC8 #6785D5 #97ABE2

Accessibility & contrast

On white

5.84

#375EC8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#375EC8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #375EC8

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##375EC8	#FFFFFF	#000000	##FFFFFF
##375EC8	1.00	5.84	3.60	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#106CCC

Deuteranopia (green-blind)

#005FC6

Tritanopia (blue-blind)

#00788A

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #375ec8;
/* rgb */ color: rgb(55, 94, 200);
/* oklch */ color: oklch(51.5% 0.171 265.5);

Tailwind

colors: {
  custom: {
    50: '#818bd9',
    500: '#375ec8',
    950: '#000000',
  },
}

SCSS

$custom: #375ec8;
$custom-light: #818bd9;
$custom-dark: #000000;

JSON

{
  "hex": "#375ec8",
  "rgb": {
    "r": 55,
    "g": 94,
    "b": 200
  },
  "hsl": {
    "h": 223.862,
    "s": 56.863,
    "l": 50
  },
  "oklch": {
    "l": 0.51464,
    "c": 0.17104,
    "h": 265.5
  },
  "luminance": 0.12988
}

Semantic roles & 50–950 ramp

primary

#375EC8

secondary

#CEBC8D

accent

#B748E0

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #375EC8

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

Preview Lab → · Contrast checker → · Palette generator →