#4379CC#4379CC

#4379CC is a mid, vivid blue. Relative luminance 0.192; OKLCH L 58.0% C 0.140 H 258.8°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#4379CC
RGB	rgb(67, 121, 204)
HSL	hsl(216, 57%, 53%)
HSV	hsv(216, 67%, 80%)
CMYK	cmyk(67.2%, 40.7%, 0%, 20%)
CIE-LAB	lab(50.95, 9.05, -48.33)
CIE-LCH	lch(50.95, 49.17, 280.61°)
OKLab	oklab(57.98% -0.0274 -0.1378)
OKLCH	oklch(57.98% 0.14 258.8)
XYZ	xyz(20.0473, 19.2257, 59.7694)
Luminance	0.1923 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4379CC #CC9643

analogous

#43BECC #4379CC #5143CC

triadic

#4379CC #CC4379 #79CC43

tetradic

#4379CC #CC43BE #CC9643 #43CC51

square

#4379CC #CC43BE #CC9643 #43CC51

split-complementary

#4379CC #CC5143 #BECC43

monochromatic

#204175 #2D5CA5 #4379CC #739BD9 #A3BEE6

Accessibility & contrast

On white

4.33

#4379CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.85

#4379CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4379CC

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4379CC	#FFFFFF	#000000	##000000
##4379CC	1.00	4.33	4.85	4.85
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.85	21.00	1.00	1.00
##000000	4.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5380CF

Deuteranopia (green-blind)

#3E73CA

Tritanopia (blue-blind)

#008C98

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #4379cc;
/* rgb */ color: rgb(67, 121, 204);
/* oklch */ color: oklch(58.0% 0.140 258.8);

Tailwind

colors: {
  custom: {
    50: '#859fdc',
    500: '#4379cc',
    950: '#000000',
  },
}

SCSS

$custom: #4379cc;
$custom-light: #859fdc;
$custom-dark: #000000;

JSON

{
  "hex": "#4379cc",
  "rgb": {
    "r": 67,
    "g": 121,
    "b": 204
  },
  "hsl": {
    "h": 216.35,
    "s": 57.322,
    "l": 53.137
  },
  "oklch": {
    "l": 0.57976,
    "c": 0.14046,
    "h": 258.8
  },
  "luminance": 0.19228
}

Semantic roles & 50–950 ramp

primary

#4379CC

secondary

#D3BC98

accent

#A447E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4379CC

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

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