#4377C8#4377C8

#4377C8 is a mid, vivid blue. Relative luminance 0.186; OKLCH L 57.3% C 0.137 H 259.0°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#4377C8
RGB	rgb(67, 119, 200)
HSL	hsl(217, 55%, 52%)
HSV	hsv(217, 67%, 78%)
CMYK	cmyk(66.5%, 40.5%, 0%, 21.6%)
CIE-LAB	lab(50.16, 8.87, -47.30)
CIE-LCH	lch(50.16, 48.12, 280.62°)
OKLab	oklab(57.29% -0.0263 -0.1348)
OKLCH	oklch(57.29% 0.137 259)
XYZ	xyz(19.3332, 18.5552, 57.1950)
Luminance	0.1856 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4377C8 #C89443

analogous

#43BAC8 #4377C8 #5143C8

triadic

#4377C8 #C84377 #77C843

tetradic

#4377C8 #C843BA #C89443 #43C851

square

#4377C8 #C843BA #C89443 #43C851

split-complementary

#4377C8 #C85143 #BAC843

monochromatic

#214070 #2F5B9F #4377C8 #7299D6 #A2BCE4

Accessibility & contrast

On white

4.46

#4377C8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#4377C8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4377C8

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4377C8	#FFFFFF	#000000	##000000
##4377C8	1.00	4.46	4.71	4.71
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#527ECB

Deuteranopia (green-blind)

#3E72C6

Tritanopia (blue-blind)

#008A96

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4377c8;
/* rgb */ color: rgb(67, 119, 200);
/* oklch */ color: oklch(57.3% 0.137 259.0);

Tailwind

colors: {
  custom: {
    50: '#859dd9',
    500: '#4377c8',
    950: '#000000',
  },
}

SCSS

$custom: #4377c8;
$custom-light: #859dd9;
$custom-dark: #000000;

JSON

{
  "hex": "#4377c8",
  "rgb": {
    "r": 67,
    "g": 119,
    "b": 200
  },
  "hsl": {
    "h": 216.541,
    "s": 54.733,
    "l": 52.353
  },
  "oklch": {
    "l": 0.57293,
    "c": 0.13732,
    "h": 259
  },
  "luminance": 0.18557
}

Semantic roles & 50–950 ramp

primary

#4377C8

secondary

#D0BA96

accent

#A44ADE

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4377C8

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

Preview Lab → · Contrast checker → · Palette generator →