#4579BC#4579BC

#4579BC is a mid, moderate cyan. Relative luminance 0.186; OKLCH L 57.1% C 0.118 H 255.5°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#4579BC
RGB	rgb(69, 121, 188)
HSL	hsl(214, 47%, 50%)
HSV	hsv(214, 63%, 74%)
CMYK	cmyk(63.3%, 35.6%, 0%, 26.3%)
CIE-LAB	lab(50.18, 3.81, -40.39)
CIE-LCH	lch(50.18, 40.57, 275.39°)
OKLab	oklab(57.12% -0.0295 -0.1145)
OKLCH	oklch(57.12% 0.118 255.5)
XYZ	xyz(18.3655, 18.5691, 50.1835)
Luminance	0.1857 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4579BC #BC8845

analogous

#45B4BC #4579BC #4C45BC

triadic

#4579BC #BC4579 #79BC45

tetradic

#4579BC #BC45B4 #BC8845 #45BC4C

square

#4579BC #BC45B4 #BC8845 #45BC4C

split-complementary

#4579BC #BC4C45 #B4BC45

monochromatic

#243F63 #345C90 #4579BC #7299CC #9FBADC

Accessibility & contrast

On white

4.45

#4579BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#4579BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4579BC

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4579BC	#FFFFFF	#000000	##000000
##4579BC	1.00	4.45	4.71	4.71
#FFFFFF	4.45	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)

#5C7EBF

Deuteranopia (green-blind)

#4C72BB

Tritanopia (blue-blind)

#008892

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4579bc;
/* rgb */ color: rgb(69, 121, 188);
/* oklch */ color: oklch(57.1% 0.118 255.5);

Tailwind

colors: {
  custom: {
    50: '#849fd0',
    500: '#4579bc',
    950: '#000000',
  },
}

SCSS

$custom: #4579bc;
$custom-light: #849fd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4579bc",
  "rgb": {
    "r": 69,
    "g": 121,
    "b": 188
  },
  "hsl": {
    "h": 213.782,
    "s": 47.036,
    "l": 50.392
  },
  "oklch": {
    "l": 0.57121,
    "c": 0.11824,
    "h": 255.5
  },
  "luminance": 0.18571
}

Semantic roles & 50–950 ramp

primary

#4579BC

secondary

#C9B294

accent

#9C51D7

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4579BC

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

Preview Lab → · Contrast checker → · Palette generator →