#5580F0#5580F0

#5580F0 is a light, vivid blue. Relative luminance 0.237; OKLCH L 62.6% C 0.175 H 265.8°. Best body text is #000000 at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#5580F0
RGB	rgb(85, 128, 240)
HSL	hsl(223, 84%, 64%)
HSV	hsv(223, 65%, 94%)
CMYK	cmyk(64.6%, 46.7%, 0%, 5.9%)
CIE-LAB	lab(55.74, 20.20, -60.86)
CIE-LCH	lch(55.74, 64.12, 288.37°)
OKLab	oklab(62.56% -0.0129 -0.1742)
OKLCH	oklch(62.56% 0.175 265.8)
XYZ	xyz(27.1882, 23.6584, 85.5549)
Luminance	0.2366 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5580F0 #F0C555

analogous

#55CDF0 #5580F0 #7755F0

triadic

#5580F0 #F05580 #80F055

tetradic

#5580F0 #F055CD #F0C555 #55F077

square

#5580F0 #F055CD #F0C555 #55F077

split-complementary

#5580F0 #F07755 #CDF055

monochromatic

#1040BA #1D56EB #5580F0 #8DAAF5 #C5D4FA

Accessibility & contrast

On white

3.66

#5580F0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.73

#5580F0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5580F0

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5580F0	#FFFFFF	#000000	##000000
##5580F0	1.00	3.66	5.73	5.73
#FFFFFF	3.66	1.00	21.00	21.00
#000000	5.73	21.00	1.00	1.00
##000000	5.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#478DF4

Deuteranopia (green-blind)

#277FEE

Tritanopia (blue-blind)

#009AAC

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #5580f0;
/* rgb */ color: rgb(85, 128, 240);
/* oklch */ color: oklch(62.6% 0.175 265.8);

Tailwind

colors: {
  custom: {
    50: '#93a4f6',
    500: '#5580f0',
    950: '#000000',
  },
}

SCSS

$custom: #5580f0;
$custom-light: #93a4f6;
$custom-dark: #000000;

JSON

{
  "hex": "#5580f0",
  "rgb": {
    "r": 85,
    "g": 128,
    "b": 240
  },
  "hsl": {
    "h": 223.355,
    "s": 83.784,
    "l": 63.725
  },
  "oklch": {
    "l": 0.62558,
    "c": 0.17465,
    "h": 265.8
  },
  "luminance": 0.23661
}

Semantic roles & 50–950 ramp

primary

#5580F0

secondary

#ECDDB5

accent

#A305E0

background

#F9FAFF

surface

#F2F3FE

border

#CCCDD6

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #5580F0

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

Preview Lab → · Contrast checker → · Palette generator →