#4377C7#4377C7

#4377C7 is a mid, vivid blue. Relative luminance 0.185; OKLCH L 57.2% C 0.136 H 258.8°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#4377C7
RGB	rgb(67, 119, 199)
HSL	hsl(216, 54%, 52%)
HSV	hsv(216, 66%, 78%)
CMYK	cmyk(66.3%, 40.2%, 0%, 22%)
CIE-LAB	lab(50.11, 8.52, -46.82)
CIE-LCH	lch(50.11, 47.58, 280.31°)
OKLab	oklab(57.23% -0.0265 -0.1334)
OKLCH	oklch(57.23% 0.136 258.8)
XYZ	xyz(19.2167, 18.5086, 56.5815)
Luminance	0.1851 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4377C7 #C79343

analogous

#43B9C7 #4377C7 #5143C7

triadic

#4377C7 #C74377 #77C743

tetradic

#4377C7 #C743B9 #C79343 #43C751

square

#4377C7 #C743B9 #C79343 #43C751

split-complementary

#4377C7 #C75143 #B9C743

monochromatic

#21406F #2F5B9E #4377C7 #7299D5 #A1BBE3

Accessibility & contrast

On white

4.47

#4377C7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#4377C7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4377C7

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4377C7	#FFFFFF	#000000	##000000
##4377C7	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#537ECA

Deuteranopia (green-blind)

#3F72C5

Tritanopia (blue-blind)

#008995

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4377c7;
/* rgb */ color: rgb(67, 119, 199);
/* oklch */ color: oklch(57.2% 0.136 258.8);

Tailwind

colors: {
  custom: {
    50: '#859dd8',
    500: '#4377c7',
    950: '#000000',
  },
}

SCSS

$custom: #4377c7;
$custom-light: #859dd8;
$custom-dark: #000000;

JSON

{
  "hex": "#4377c7",
  "rgb": {
    "r": 67,
    "g": 119,
    "b": 199
  },
  "hsl": {
    "h": 216.364,
    "s": 54.098,
    "l": 52.157
  },
  "oklch": {
    "l": 0.57232,
    "c": 0.13597,
    "h": 258.8
  },
  "luminance": 0.1851
}

Semantic roles & 50–950 ramp

primary

#4377C7

secondary

#D0B996

accent

#A44ADD

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #4377C7

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

Preview Lab → · Contrast checker → · Palette generator →