#5580DA#5580DA

#5580DA is a mid, vivid blue. Relative luminance 0.224; OKLCH L 61.2% C 0.145 H 263.5°. Best body text is #000000 at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#5580DA
RGB	rgb(85, 128, 218)
HSL	hsl(221, 64%, 59%)
HSV	hsv(221, 61%, 85%)
CMYK	cmyk(61%, 41.3%, 0%, 14.5%)
CIE-LAB	lab(54.48, 12.75, -50.58)
CIE-LCH	lch(54.48, 52.16, 284.14°)
OKLab	oklab(61.18% -0.0165 -0.144)
OKLCH	oklch(61.18% 0.145 263.5)
XYZ	xyz(24.1160, 22.4295, 69.3745)
Luminance	0.2243 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5580DA #DAAF55

analogous

#55C2DA #5580DA #6D55DA

triadic

#5580DA #DA5580 #80DA55

tetradic

#5580DA #DA55C2 #DAAF55 #55DA6D

square

#5580DA #DA55C2 #DAAF55 #55DA6D

split-complementary

#5580DA #DA6D55 #C2DA55

monochromatic

#204694 #2B5DC7 #5580DA #87A6E5 #BACBF0

Accessibility & contrast

On white

3.83

#5580DA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.49

#5580DA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5580DA

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5580DA	#FFFFFF	#000000	##000000
##5580DA	1.00	3.83	5.49	5.49
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.49	21.00	1.00	1.00
##000000	5.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5889DE

Deuteranopia (green-blind)

#457DD8

Tritanopia (blue-blind)

#0094A2

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #5580da;
/* rgb */ color: rgb(85, 128, 218);
/* oklch */ color: oklch(61.2% 0.145 263.5);

Tailwind

colors: {
  custom: {
    50: '#90a4e6',
    500: '#5580da',
    950: '#000000',
  },
}

SCSS

$custom: #5580da;
$custom-light: #90a4e6;
$custom-dark: #000000;

JSON

{
  "hex": "#5580da",
  "rgb": {
    "r": 85,
    "g": 128,
    "b": 218
  },
  "hsl": {
    "h": 220.602,
    "s": 64.251,
    "l": 59.412
  },
  "oklch": {
    "l": 0.61179,
    "c": 0.14493,
    "h": 263.5
  },
  "luminance": 0.22432
}

Semantic roles & 50–950 ramp

primary

#5580DA

secondary

#DFCFAB

accent

#B141E7

background

#F9FAFE

surface

#F2F3FC

border

#CCCDD5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #5580DA

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

Preview Lab → · Contrast checker → · Palette generator →