#5578E5#5578E5

#5578E5 is a mid, vivid blue. Relative luminance 0.210; OKLCH L 60.2% C 0.169 H 267.7°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#5578E5
RGB	rgb(85, 120, 229)
HSL	hsl(225, 73%, 62%)
HSV	hsv(225, 63%, 90%)
CMYK	cmyk(62.9%, 47.6%, 0%, 10.2%)
CIE-LAB	lab(52.97, 21.36, -59.17)
CIE-LCH	lch(52.97, 62.91, 289.85°)
OKLab	oklab(60.23% -0.0068 -0.1693)
OKLCH	oklch(60.23% 0.169 267.7)
XYZ	xyz(24.6008, 21.0192, 76.8742)
Luminance	0.2102 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5578E5 #E5C255

analogous

#55C0E5 #5578E5 #7A55E5

triadic

#5578E5 #E55578 #78E555

tetradic

#5578E5 #E555C0 #E5C255 #55E57A

square

#5578E5 #E555C0 #E5C255 #55E57A

split-complementary

#5578E5 #E57A55 #C0E555

monochromatic

#193CA6 #224FDB #5578E5 #8AA2ED #BFCCF5

Accessibility & contrast

On white

4.04

#5578E5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.20

#5578E5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5578E5

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5578E5	#FFFFFF	#000000	##000000
##5578E5	1.00	4.04	5.20	5.20
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.20	21.00	1.00	1.00
##000000	5.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4085E9

Deuteranopia (green-blind)

#2278E3

Tritanopia (blue-blind)

#0091A3

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #5578e5;
/* rgb */ color: rgb(85, 120, 229);
/* oklch */ color: oklch(60.2% 0.169 267.7);

Tailwind

colors: {
  custom: {
    50: '#929eee',
    500: '#5578e5',
    950: '#000000',
  },
}

SCSS

$custom: #5578e5;
$custom-light: #929eee;
$custom-dark: #000000;

JSON

{
  "hex": "#5578e5",
  "rgb": {
    "r": 85,
    "g": 120,
    "b": 229
  },
  "hsl": {
    "h": 225.417,
    "s": 73.469,
    "l": 61.569
  },
  "oklch": {
    "l": 0.60227,
    "c": 0.16948,
    "h": 267.7
  },
  "luminance": 0.21021
}

Semantic roles & 50–950 ramp

primary

#5578E5

secondary

#E6D9B0

accent

#A610D6

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #5578E5

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

Preview Lab → · Contrast checker → · Palette generator →