#5578BC#5578BC

#5578BC is a mid, moderate blue. Relative luminance 0.190; OKLCH L 57.7% C 0.113 H 262.7°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#5578BC
RGB	rgb(85, 120, 188)
HSL	hsl(220, 43%, 54%)
HSV	hsv(220, 55%, 74%)
CMYK	cmyk(54.8%, 36.2%, 0%, 26.3%)
CIE-LAB	lab(50.68, 7.67, -39.54)
CIE-LCH	lch(50.68, 40.28, 280.97°)
OKLab	oklab(57.72% -0.0143 -0.1118)
OKLCH	oklch(57.72% 0.113 262.7)
XYZ	xyz(19.5368, 18.9936, 50.2038)
Luminance	0.1900 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5578BC #BC9955

analogous

#55ABBC #5578BC #6555BC

triadic

#5578BC #BC5578 #78BC55

tetradic

#5578BC #BC55AB #BC9955 #55BC65

square

#5578BC #BC55AB #BC9955 #55BC65

split-complementary

#5578BC #BC6555 #ABBC55

monochromatic

#2B416C #3C5B98 #5578BC #819BCD #ADBEDF

Accessibility & contrast

On white

4.38

#5578BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#5578BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5578BC

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5578BC	#FFFFFF	#000000	##000000
##5578BC	1.00	4.38	4.80	4.80
#FFFFFF	4.38	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D7EBF

Deuteranopia (green-blind)

#5074BB

Tritanopia (blue-blind)

#198791

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #5578bc;
/* rgb */ color: rgb(85, 120, 188);
/* oklch */ color: oklch(57.7% 0.113 262.7);

Tailwind

colors: {
  custom: {
    50: '#8c9ed0',
    500: '#5578bc',
    950: '#000000',
  },
}

SCSS

$custom: #5578bc;
$custom-light: #8c9ed0;
$custom-dark: #000000;

JSON

{
  "hex": "#5578bc",
  "rgb": {
    "r": 85,
    "g": 120,
    "b": 188
  },
  "hsl": {
    "h": 219.612,
    "s": 43.46,
    "l": 53.529
  },
  "oklch": {
    "l": 0.57723,
    "c": 0.11269,
    "h": 262.7
  },
  "luminance": 0.18995
}

Semantic roles & 50–950 ramp

primary

#5578BC

secondary

#CCBDA0

accent

#A855D3

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0D0E14

muted

#7D7E82

Preview Lab

Preview with #5578BC

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

Preview Lab → · Contrast checker → · Palette generator →