#5580DF#5580DF

#5580DF is a mid, vivid blue. Relative luminance 0.227; OKLCH L 61.5% C 0.152 H 264.1°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#5580DF
RGB	rgb(85, 128, 223)
HSL	hsl(221, 68%, 60%)
HSV	hsv(221, 62%, 87%)
CMYK	cmyk(61.9%, 42.6%, 0%, 12.5%)
CIE-LAB	lab(54.76, 14.43, -52.95)
CIE-LCH	lch(54.76, 54.88, 285.25°)
OKLab	oklab(61.48% -0.0156 -0.1509)
OKLCH	oklch(61.48% 0.152 264.1)
XYZ	xyz(24.7802, 22.6951, 72.8724)
Luminance	0.2270 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5580DF #DFB455

analogous

#55C5DF #5580DF #6F55DF

triadic

#5580DF #DF5580 #80DF55

tetradic

#5580DF #DF55C5 #DFB455 #55DF6F

square

#5580DF #DF55C5 #DFB455 #55DF6F

split-complementary

#5580DF #DF6F55 #C5DF55

monochromatic

#1D459C #275CD0 #5580DF #89A6E9 #BCCDF2

Accessibility & contrast

On white

3.79

#5580DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.54

#5580DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5580DF

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5580DF	#FFFFFF	#000000	##000000
##5580DF	1.00	3.79	5.54	5.54
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.54	21.00	1.00	1.00
##000000	5.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#558AE3

Deuteranopia (green-blind)

#407DDD

Tritanopia (blue-blind)

#0095A5

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #5580df;
/* rgb */ color: rgb(85, 128, 223);
/* oklch */ color: oklch(61.5% 0.152 264.1);

Tailwind

colors: {
  custom: {
    50: '#91a4e9',
    500: '#5580df',
    950: '#000000',
  },
}

SCSS

$custom: #5580df;
$custom-light: #91a4e9;
$custom-dark: #000000;

JSON

{
  "hex": "#5580df",
  "rgb": {
    "r": 85,
    "g": 128,
    "b": 223
  },
  "hsl": {
    "h": 221.304,
    "s": 68.317,
    "l": 60.392
  },
  "oklch": {
    "l": 0.61482,
    "c": 0.15174,
    "h": 264.1
  },
  "luminance": 0.22697
}

Semantic roles & 50–950 ramp

primary

#5580DF

secondary

#E2D2AE

accent

#9615D0

background

#F9FAFE

surface

#F2F3FD

border

#CCCDD5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #5580DF

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

Preview Lab → · Contrast checker → · Palette generator →