#5581EA#5581EA

#5581EA is a light, vivid blue. Relative luminance 0.236; OKLCH L 62.4% C 0.165 H 264.9°. Best body text is #000000 at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#5581EA
RGB	rgb(85, 129, 234)
HSL	hsl(222, 78%, 63%)
HSV	hsv(222, 64%, 92%)
CMYK	cmyk(63.7%, 44.9%, 0%, 8.2%)
CIE-LAB	lab(55.65, 17.55, -57.66)
CIE-LCH	lch(55.65, 60.28, 286.93°)
OKLab	oklab(62.38% -0.0147 -0.1648)
OKLCH	oklch(62.38% 0.165 264.9)
XYZ	xyz(26.4427, 23.5699, 80.9819)
Luminance	0.2357 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5581EA #EABE55

analogous

#55CBEA #5581EA #7455EA

triadic

#5581EA #EA5581 #81EA55

tetradic

#5581EA #EA55CB #EABE55 #55EA74

square

#5581EA #EA55CB #EABE55 #55EA74

split-complementary

#5581EA #EA7455 #CBEA55

monochromatic

#1643AF #1F59E3 #5581EA #8BA9F1 #C2D2F7

Accessibility & contrast

On white

3.67

#5581EA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.71

#5581EA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5581EA

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5581EA	#FFFFFF	#000000	##000000
##5581EA	1.00	3.67	5.71	5.71
#FFFFFF	3.67	1.00	21.00	21.00
#000000	5.71	21.00	1.00	1.00
##000000	5.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E8DEE

Deuteranopia (green-blind)

#347FE8

Tritanopia (blue-blind)

#0099AA

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #5581ea;
/* rgb */ color: rgb(85, 129, 234);
/* oklch */ color: oklch(62.4% 0.165 264.9);

Tailwind

colors: {
  custom: {
    50: '#92a5f1',
    500: '#5581ea',
    950: '#000000',
  },
}

SCSS

$custom: #5581ea;
$custom-light: #92a5f1;
$custom-dark: #000000;

JSON

{
  "hex": "#5581ea",
  "rgb": {
    "r": 85,
    "g": 129,
    "b": 234
  },
  "hsl": {
    "h": 222.282,
    "s": 78.01,
    "l": 62.549
  },
  "oklch": {
    "l": 0.62375,
    "c": 0.16542,
    "h": 264.9
  },
  "luminance": 0.23572
}

Semantic roles & 50–950 ramp

primary

#5581EA

secondary

#E8D8B2

accent

#9D0BDA

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #5581EA

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

Preview Lab → · Contrast checker → · Palette generator →