#5581DE#5581DE

#5581DE is a mid, vivid blue. Relative luminance 0.229; OKLCH L 61.6% C 0.149 H 263.6°. Best body text is #000000 at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#5581DE
RGB	rgb(85, 129, 222)
HSL	hsl(221, 67%, 60%)
HSV	hsv(221, 62%, 87%)
CMYK	cmyk(61.7%, 41.9%, 0%, 12.9%)
CIE-LAB	lab(54.97, 13.49, -52.04)
CIE-LCH	lch(54.97, 53.76, 284.53°)
OKLab	oklab(61.63% -0.0168 -0.1483)
OKLCH	oklch(61.63% 0.149 263.6)
XYZ	xyz(24.7768, 22.9035, 72.2082)
Luminance	0.2291 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5581DE #DEB255

analogous

#55C5DE #5581DE #6D55DE

triadic

#5581DE #DE5581 #81DE55

tetradic

#5581DE #DE55C5 #DEB255 #55DE6D

square

#5581DE #DE55C5 #DEB255 #55DE6D

split-complementary

#5581DE #DE6D55 #C5DE55

monochromatic

#1E469B #285DCE #5581DE #88A7E8 #BCCDF2

Accessibility & contrast

On white

3.76

#5581DE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.58

#5581DE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5581DE

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5581DE	#FFFFFF	#000000	##000000
##5581DE	1.00	3.76	5.58	5.58
#FFFFFF	3.76	1.00	21.00	21.00
#000000	5.58	21.00	1.00	1.00
##000000	5.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#578AE2

Deuteranopia (green-blind)

#437EDC

Tritanopia (blue-blind)

#0096A5

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #5581de;
/* rgb */ color: rgb(85, 129, 222);
/* oklch */ color: oklch(61.6% 0.149 263.6);

Tailwind

colors: {
  custom: {
    50: '#91a5e9',
    500: '#5581de',
    950: '#000000',
  },
}

SCSS

$custom: #5581de;
$custom-light: #91a5e9;
$custom-dark: #000000;

JSON

{
  "hex": "#5581de",
  "rgb": {
    "r": 85,
    "g": 129,
    "b": 222
  },
  "hsl": {
    "h": 220.73,
    "s": 67.488,
    "l": 60.196
  },
  "oklch": {
    "l": 0.6163,
    "c": 0.14921,
    "h": 263.6
  },
  "luminance": 0.22906
}

Semantic roles & 50–950 ramp

primary

#5581DE

secondary

#E2D1AD

accent

#9416CF

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #5581DE

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

Preview Lab → · Contrast checker → · Palette generator →