#5578EE#5578EE

#5578EE is a mid, vivid blue. Relative luminance 0.215; OKLCH L 60.8% C 0.182 H 268.2°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#5578EE
RGB	rgb(85, 120, 238)
HSL	hsl(226, 82%, 63%)
HSV	hsv(226, 64%, 93%)
CMYK	cmyk(64.3%, 49.6%, 0%, 6.7%)
CIE-LAB	lab(53.53, 24.42, -63.31)
CIE-LCH	lch(53.53, 67.85, 291.09°)
OKLab	oklab(60.83% -0.0057 -0.1815)
OKLCH	oklch(60.83% 0.182 268.2)
XYZ	xyz(25.8901, 21.5349, 83.6646)
Luminance	0.2154 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5578EE #EECB55

analogous

#55C4EE #5578EE #7F55EE

triadic

#5578EE #EE5578 #78EE55

tetradic

#5578EE #EE55C4 #EECB55 #55EE7F

square

#5578EE #EE55C4 #EECB55 #55EE7F

split-complementary

#5578EE #EE7F55 #C4EE55

monochromatic

#1238B6 #1D4CE8 #5578EE #8DA4F4 #C4D0F9

Accessibility & contrast

On white

3.96

#5578EE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.31

#5578EE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5578EE

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5578EE	#FFFFFF	#000000	##000000
##5578EE	1.00	3.96	5.31	5.31
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.31	21.00	1.00	1.00
##000000	5.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3687F2

Deuteranopia (green-blind)

#0079EC

Tritanopia (blue-blind)

#0093A8

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #5578ee;
/* rgb */ color: rgb(85, 120, 238);
/* oklch */ color: oklch(60.8% 0.182 268.2);

Tailwind

colors: {
  custom: {
    50: '#939ef4',
    500: '#5578ee',
    950: '#000000',
  },
}

SCSS

$custom: #5578ee;
$custom-light: #939ef4;
$custom-dark: #000000;

JSON

{
  "hex": "#5578ee",
  "rgb": {
    "r": 85,
    "g": 120,
    "b": 238
  },
  "hsl": {
    "h": 226.275,
    "s": 81.818,
    "l": 63.333
  },
  "oklch": {
    "l": 0.60832,
    "c": 0.18158,
    "h": 268.2
  },
  "luminance": 0.21537
}

Semantic roles & 50–950 ramp

primary

#5578EE

secondary

#EBDEB4

accent

#AD07DE

background

#F9F9FF

surface

#F2F2FE

border

#CCCCD6

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #5578EE

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

Preview Lab → · Contrast checker → · Palette generator →