#4579BB#4579BB

#4579BB is a mid, moderate cyan. Relative luminance 0.185; OKLCH L 57.1% C 0.117 H 255.2°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#4579BB
RGB	rgb(69, 121, 187)
HSL	hsl(214, 46%, 50%)
HSV	hsv(214, 63%, 73%)
CMYK	cmyk(63.1%, 35.3%, 0%, 26.7%)
CIE-LAB	lab(50.13, 3.46, -39.89)
CIE-LCH	lch(50.13, 40.04, 274.96°)
OKLab	oklab(57.06% -0.0298 -0.113)
OKLCH	oklch(57.06% 0.117 255.2)
XYZ	xyz(18.2580, 18.5261, 49.6178)
Luminance	0.1853 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4579BB #BB8745

analogous

#45B4BB #4579BB #4C45BB

triadic

#4579BB #BB4579 #79BB45

tetradic

#4579BB #BB45B4 #BB8745 #45BB4C

square

#4579BB #BB45B4 #BB8745 #45BB4C

split-complementary

#4579BB #BB4C45 #B4BB45

monochromatic

#243F62 #345C8F #4579BB #7299CB #9FBADC

Accessibility & contrast

On white

4.46

#4579BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#4579BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4579BB

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4579BB	#FFFFFF	#000000	##000000
##4579BB	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)

#5D7DBE

Deuteranopia (green-blind)

#4C72BA

Tritanopia (blue-blind)

#008891

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4579bb;
/* rgb */ color: rgb(69, 121, 187);
/* oklch */ color: oklch(57.1% 0.117 255.2);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#4579bb",
  "rgb": {
    "r": 69,
    "g": 121,
    "b": 187
  },
  "hsl": {
    "h": 213.559,
    "s": 46.457,
    "l": 50.196
  },
  "oklch": {
    "l": 0.57064,
    "c": 0.11691,
    "h": 255.2
  },
  "luminance": 0.18528
}

Semantic roles & 50–950 ramp

primary

#4579BB

secondary

#C8B194

accent

#9C52D6

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4579BB

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

Preview Lab → · Contrast checker → · Palette generator →