#4377C5#4377C5

#4377C5 is a mid, vivid blue. Relative luminance 0.184; OKLCH L 57.1% C 0.133 H 258.3°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#4377C5
RGB	rgb(67, 119, 197)
HSL	hsl(216, 53%, 52%)
HSV	hsv(216, 66%, 77%)
CMYK	cmyk(66%, 39.6%, 0%, 22.7%)
CIE-LAB	lab(50.00, 7.81, -45.85)
CIE-LCH	lch(50.00, 46.51, 279.67°)
OKLab	oklab(57.11% -0.0269 -0.1305)
OKLCH	oklch(57.11% 0.133 258.3)
XYZ	xyz(18.9860, 18.4163, 55.3666)
Luminance	0.1842 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4377C5 #C59143

analogous

#43B8C5 #4377C5 #5043C5

triadic

#4377C5 #C54377 #77C543

tetradic

#4377C5 #C543B8 #C59143 #43C550

square

#4377C5 #C543B8 #C59143 #43C550

split-complementary

#4377C5 #C55043 #B8C543

monochromatic

#213F6C #305B9B #4377C5 #7299D3 #A1BBE2

Accessibility & contrast

On white

4.48

#4377C5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#4377C5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4377C5

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4377C5	#FFFFFF	#000000	##000000
##4377C5	1.00	4.48	4.68	4.68
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#547EC8

Deuteranopia (green-blind)

#4171C3

Tritanopia (blue-blind)

#008994

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4377c5;
/* rgb */ color: rgb(67, 119, 197);
/* oklch */ color: oklch(57.1% 0.133 258.3);

Tailwind

colors: {
  custom: {
    50: '#849dd7',
    500: '#4377c5',
    950: '#000000',
  },
}

SCSS

$custom: #4377c5;
$custom-light: #849dd7;
$custom-dark: #000000;

JSON

{
  "hex": "#4377c5",
  "rgb": {
    "r": 67,
    "g": 119,
    "b": 197
  },
  "hsl": {
    "h": 216,
    "s": 52.846,
    "l": 51.765
  },
  "oklch": {
    "l": 0.57111,
    "c": 0.13327,
    "h": 258.3
  },
  "luminance": 0.18418
}

Semantic roles & 50–950 ramp

primary

#4377C5

secondary

#CEB895

accent

#A24CDC

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #4377C5

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

Preview Lab → · Contrast checker → · Palette generator →