#5581E5#5581E5

#5581E5 is a light, vivid blue. Relative luminance 0.233; OKLCH L 62.1% C 0.159 H 264.4°. Best body text is #000000 at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#5581E5
RGB	rgb(85, 129, 229)
HSL	hsl(222, 73%, 62%)
HSV	hsv(222, 63%, 90%)
CMYK	cmyk(62.9%, 43.7%, 0%, 10.2%)
CIE-LAB	lab(55.37, 15.85, -55.33)
CIE-LCH	lch(55.37, 57.56, 285.99°)
OKLab	oklab(62.06% -0.0155 -0.1579)
OKLCH	oklch(62.06% 0.159 264.4)
XYZ	xyz(25.7345, 23.2866, 77.2521)
Luminance	0.2329 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5581E5 #E5B955

analogous

#55C9E5 #5581E5 #7155E5

triadic

#5581E5 #E55581 #81E555

tetradic

#5581E5 #E555C9 #E5B955 #55E571

square

#5581E5 #E555C9 #E5B955 #55E571

split-complementary

#5581E5 #E57155 #C9E555

monochromatic

#1944A6 #225ADB #5581E5 #8AA8ED #BFD0F5

Accessibility & contrast

On white

3.71

#5581E5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.66

#5581E5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5581E5

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5581E5	#FFFFFF	#000000	##000000
##5581E5	1.00	3.71	5.66	5.66
#FFFFFF	3.71	1.00	21.00	21.00
#000000	5.66	21.00	1.00	1.00
##000000	5.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#528CE9

Deuteranopia (green-blind)

#3B7EE3

Tritanopia (blue-blind)

#0098A8

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #5581e5;
/* rgb */ color: rgb(85, 129, 229);
/* oklch */ color: oklch(62.1% 0.159 264.4);

Tailwind

colors: {
  custom: {
    50: '#92a5ee',
    500: '#5581e5',
    950: '#000000',
  },
}

SCSS

$custom: #5581e5;
$custom-light: #92a5ee;
$custom-dark: #000000;

JSON

{
  "hex": "#5581e5",
  "rgb": {
    "r": 85,
    "g": 129,
    "b": 229
  },
  "hsl": {
    "h": 221.667,
    "s": 73.469,
    "l": 61.569
  },
  "oklch": {
    "l": 0.62061,
    "c": 0.15869,
    "h": 264.4
  },
  "luminance": 0.23289
}

Semantic roles & 50–950 ramp

primary

#5581E5

secondary

#E6D5B0

accent

#9910D6

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #5581E5

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

Preview Lab → · Contrast checker → · Palette generator →