#5578DA#5578DA

#5578DA is a mid, vivid blue. Relative luminance 0.204; OKLCH L 59.5% C 0.154 H 266.9°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#5578DA
RGB	rgb(85, 120, 218)
HSL	hsl(224, 64%, 59%)
HSV	hsv(224, 61%, 85%)
CMYK	cmyk(61%, 45%, 0%, 14.5%)
CIE-LAB	lab(52.31, 17.63, -54.04)
CIE-LCH	lch(52.31, 56.84, 288.07°)
OKLab	oklab(59.51% -0.0083 -0.1542)
OKLCH	oklch(59.51% 0.154 266.9)
XYZ	xyz(23.1134, 20.4242, 69.0403)
Luminance	0.2043 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5578DA #DAB755

analogous

#55BADA #5578DA #7555DA

triadic

#5578DA #DA5578 #78DA55

tetradic

#5578DA #DA55BA #DAB755 #55DA75

square

#5578DA #DA55BA #DAB755 #55DA75

split-complementary

#5578DA #DA7555 #BADA55

monochromatic

#203F94 #2B54C7 #5578DA #87A0E5 #BAC8F0

Accessibility & contrast

On white

4.13

#5578DA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#5578DA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5578DA

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5578DA	#FFFFFF	#000000	##000000
##5578DA	1.00	4.13	5.09	5.09
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A83DE

Deuteranopia (green-blind)

#3577D8

Tritanopia (blue-blind)

#008E9E

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #5578da;
/* rgb */ color: rgb(85, 120, 218);
/* oklch */ color: oklch(59.5% 0.154 266.9);

Tailwind

colors: {
  custom: {
    50: '#909ee6',
    500: '#5578da',
    950: '#000000',
  },
}

SCSS

$custom: #5578da;
$custom-light: #909ee6;
$custom-dark: #000000;

JSON

{
  "hex": "#5578da",
  "rgb": {
    "r": 85,
    "g": 120,
    "b": 218
  },
  "hsl": {
    "h": 224.211,
    "s": 64.251,
    "l": 59.412
  },
  "oklch": {
    "l": 0.59514,
    "c": 0.15447,
    "h": 266.9
  },
  "luminance": 0.20426
}

Semantic roles & 50–950 ramp

primary

#5578DA

secondary

#DFD2AB

accent

#BB41E7

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #5578DA

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

Preview Lab → · Contrast checker → · Palette generator →