#5578CC#5578CC

#5578CC is a mid, vivid blue. Relative luminance 0.197; OKLCH L 58.6% C 0.135 H 265.4°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#5578CC
RGB	rgb(85, 120, 204)
HSL	hsl(222, 54%, 57%)
HSV	hsv(222, 58%, 80%)
CMYK	cmyk(58.3%, 41.2%, 0%, 20%)
CIE-LAB	lab(51.52, 12.94, -47.37)
CIE-LCH	lch(51.52, 49.10, 285.28°)
OKLab	oklab(58.65% -0.0108 -0.1346)
OKLCH	oklch(58.65% 0.135 265.4)
XYZ	xyz(21.3582, 19.7221, 59.7963)
Luminance	0.1972 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5578CC #CCA955

analogous

#55B4CC #5578CC #6E55CC

triadic

#5578CC #CC5578 #78CC55

tetradic

#5578CC #CC55B4 #CCA955 #55CC6E

square

#5578CC #CC55B4 #CCA955 #55CC6E

split-complementary

#5578CC #CC6E55 #B4CC55

monochromatic

#264180 #3559AF #5578CC #849DDA #B3C3E8

Accessibility & contrast

On white

4.25

#5578CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.94

#5578CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5578CC

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5578CC	#FFFFFF	#000000	##000000
##5578CC	1.00	4.25	4.94	4.94
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.94	21.00	1.00	1.00
##000000	4.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5481CF

Deuteranopia (green-blind)

#4476CA

Tritanopia (blue-blind)

#008B98

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #5578cc;
/* rgb */ color: rgb(85, 120, 204);
/* oklch */ color: oklch(58.6% 0.135 265.4);

Tailwind

colors: {
  custom: {
    50: '#8e9edc',
    500: '#5578cc',
    950: '#000000',
  },
}

SCSS

$custom: #5578cc;
$custom-light: #8e9edc;
$custom-dark: #000000;

JSON

{
  "hex": "#5578cc",
  "rgb": {
    "r": 85,
    "g": 120,
    "b": 204
  },
  "hsl": {
    "h": 222.353,
    "s": 53.846,
    "l": 56.667
  },
  "oklch": {
    "l": 0.58649,
    "c": 0.13508,
    "h": 265.4
  },
  "luminance": 0.19724
}

Semantic roles & 50–950 ramp

primary

#5578CC

secondary

#D7C8A6

accent

#B24BDD

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #5578CC

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

Preview Lab → · Contrast checker → · Palette generator →