#5578EC#5578EC

#5578EC is a mid, vivid blue. Relative luminance 0.214; OKLCH L 60.7% C 0.179 H 268.1°. Best body text is #000000 at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#5578EC
RGB	rgb(85, 120, 236)
HSL	hsl(226, 80%, 63%)
HSV	hsv(226, 64%, 93%)
CMYK	cmyk(64%, 49.2%, 0%, 7.5%)
CIE-LAB	lab(53.40, 23.74, -62.39)
CIE-LCH	lch(53.40, 66.76, 290.83°)
OKLab	oklab(60.7% -0.006 -0.1788)
OKLCH	oklch(60.7% 0.179 268.1)
XYZ	xyz(25.5979, 21.4180, 82.1257)
Luminance	0.2142 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5578EC #ECC955

analogous

#55C3EC #5578EC #7E55EC

triadic

#5578EC #EC5578 #78EC55

tetradic

#5578EC #EC55C3 #ECC955 #55EC7E

square

#5578EC #EC55C3 #ECC955 #55EC7E

split-complementary

#5578EC #EC7E55 #C3EC55

monochromatic

#1439B3 #1E4CE6 #5578EC #8CA4F2 #C3CFF8

Accessibility & contrast

On white

3.97

#5578EC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.28

#5578EC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5578EC

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5578EC	#FFFFFF	#000000	##000000
##5578EC	1.00	3.97	5.28	5.28
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.28	21.00	1.00	1.00
##000000	5.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3887F0

Deuteranopia (green-blind)

#0C79EA

Tritanopia (blue-blind)

#0093A7

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #5578ec;
/* rgb */ color: rgb(85, 120, 236);
/* oklch */ color: oklch(60.7% 0.179 268.1);

Tailwind

colors: {
  custom: {
    50: '#939ef3',
    500: '#5578ec',
    950: '#000000',
  },
}

SCSS

$custom: #5578ec;
$custom-light: #939ef3;
$custom-dark: #000000;

JSON

{
  "hex": "#5578ec",
  "rgb": {
    "r": 85,
    "g": 120,
    "b": 236
  },
  "hsl": {
    "h": 226.093,
    "s": 79.894,
    "l": 62.941
  },
  "oklch": {
    "l": 0.60696,
    "c": 0.17891,
    "h": 268.1
  },
  "luminance": 0.2142
}

Semantic roles & 50–950 ramp

primary

#5578EC

secondary

#EADDB3

accent

#AB09DC

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #5578EC

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

Preview Lab → · Contrast checker → · Palette generator →