#5579BF#5579BF

#5579BF is a mid, moderate blue. Relative luminance 0.194; OKLCH L 58.1% C 0.116 H 262.7°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#5579BF
RGB	rgb(85, 121, 191)
HSL	hsl(220, 45%, 54%)
HSV	hsv(220, 55%, 75%)
CMYK	cmyk(55.5%, 36.6%, 0%, 25.1%)
CIE-LAB	lab(51.11, 8.04, -40.58)
CIE-LCH	lch(51.11, 41.37, 281.20°)
OKLab	oklab(58.11% -0.0147 -0.1148)
OKLCH	oklch(58.11% 0.116 262.7)
XYZ	xyz(19.9845, 19.3661, 51.9650)
Luminance	0.1937 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5579BF #BF9B55

analogous

#55AEBF #5579BF #6655BF

triadic

#5579BF #BF5579 #79BF55

tetradic

#5579BF #BF55AE #BF9B55 #55BF66

square

#5579BF #BF55AE #BF9B55 #55BF66

split-complementary

#5579BF #BF6655 #AEBF55

monochromatic

#2A4270 #3B5C9C #5579BF #819CD0 #AEBFE0

Accessibility & contrast

On white

4.31

#5579BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#5579BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5579BF

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5579BF	#FFFFFF	#000000	##000000
##5579BF	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D7FC2

Deuteranopia (green-blind)

#4F75BE

Tritanopia (blue-blind)

#128893

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #5579bf;
/* rgb */ color: rgb(85, 121, 191);
/* oklch */ color: oklch(58.1% 0.116 262.7);

Tailwind

colors: {
  custom: {
    50: '#8c9fd2',
    500: '#5579bf',
    950: '#000000',
  },
}

SCSS

$custom: #5579bf;
$custom-light: #8c9fd2;
$custom-dark: #000000;

JSON

{
  "hex": "#5579bf",
  "rgb": {
    "r": 85,
    "g": 121,
    "b": 191
  },
  "hsl": {
    "h": 219.623,
    "s": 45.299,
    "l": 54.118
  },
  "oklch": {
    "l": 0.58109,
    "c": 0.11575,
    "h": 262.7
  },
  "luminance": 0.19368
}

Semantic roles & 50–950 ramp

primary

#5579BF

secondary

#CEBFA1

accent

#A953D5

background

#F9F9FC

surface

#F1F2F9

border

#CBCCD2

text

#0D0E14

muted

#7E7E82

Preview Lab

Preview with #5579BF

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

Preview Lab → · Contrast checker → · Palette generator →