#4374C8#4374C8

#4374C8 is a mid, vivid blue. Relative luminance 0.179; OKLCH L 56.6% C 0.141 H 260.5°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#4374C8
RGB	rgb(67, 116, 200)
HSL	hsl(218, 55%, 52%)
HSV	hsv(218, 67%, 78%)
CMYK	cmyk(66.5%, 42%, 0%, 21.6%)
CIE-LAB	lab(49.32, 10.72, -48.65)
CIE-LCH	lch(49.32, 49.82, 282.43°)
OKLab	oklab(56.64% -0.0233 -0.1388)
OKLCH	oklch(56.64% 0.141 260.5)
XYZ	xyz(18.9817, 17.8523, 57.0779)
Luminance	0.1785 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4374C8 #C89743

analogous

#43B6C8 #4374C8 #5543C8

triadic

#4374C8 #C84374 #74C843

tetradic

#4374C8 #C843B6 #C89743 #43C855

square

#4374C8 #C843B6 #C89743 #43C855

split-complementary

#4374C8 #C85543 #B6C843

monochromatic

#213E70 #2F589F #4374C8 #7297D6 #A2BAE4

Accessibility & contrast

On white

4.59

#4374C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#4374C8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4374C8

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4374C8	#FFFFFF	#000000	##FFFFFF
##4374C8	1.00	4.59	4.57	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D7CCB

Deuteranopia (green-blind)

#3870C6

Tritanopia (blue-blind)

#008794

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4374c8;
/* rgb */ color: rgb(67, 116, 200);
/* oklch */ color: oklch(56.6% 0.141 260.5);

Tailwind

colors: {
  custom: {
    50: '#859bd9',
    500: '#4374c8',
    950: '#000000',
  },
}

SCSS

$custom: #4374c8;
$custom-light: #859bd9;
$custom-dark: #000000;

JSON

{
  "hex": "#4374c8",
  "rgb": {
    "r": 67,
    "g": 116,
    "b": 200
  },
  "hsl": {
    "h": 217.895,
    "s": 54.733,
    "l": 52.353
  },
  "oklch": {
    "l": 0.56638,
    "c": 0.14074,
    "h": 260.5
  },
  "luminance": 0.17854
}

Semantic roles & 50–950 ramp

primary

#4374C8

secondary

#D0BB96

accent

#A74ADE

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4374C8

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

Preview Lab → · Contrast checker → · Palette generator →