#5571EA#5571EA

#5571EA is a mid, vivid blue. Relative luminance 0.197; OKLCH L 59.2% C 0.185 H 270.1°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#5571EA
RGB	rgb(85, 113, 234)
HSL	hsl(229, 78%, 63%)
HSV	hsv(229, 64%, 92%)
CMYK	cmyk(63.7%, 51.7%, 0%, 8.2%)
CIE-LAB	lab(51.47, 27.37, -64.39)
CIE-LCH	lch(51.47, 69.96, 293.03°)
OKLab	oklab(59.19% 0.0003 -0.1848)
OKLCH	oklch(59.19% 0.185 270.1)
XYZ	xyz(24.4977, 19.6799, 80.3335)
Luminance	0.1968 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5571EA #EACE55

analogous

#55BBEA #5571EA #8455EA

triadic

#5571EA #EA5571 #71EA55

tetradic

#5571EA #EA55BB #EACE55 #55EA84

square

#5571EA #EA55BB #EACE55 #55EA84

split-complementary

#5571EA #EA8455 #BBEA55

monochromatic

#1632AF #1F44E3 #5571EA #8B9EF1 #C2CCF7

Accessibility & contrast

On white

4.25

#5571EA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.94

#5571EA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5571EA

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5571EA	#FFFFFF	#000000	##000000
##5571EA	1.00	4.25	4.94	4.94
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.94	21.00	1.00	1.00
##000000	4.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2682EE

Deuteranopia (green-blind)

#0074E8

Tritanopia (blue-blind)

#008DA3

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #5571ea;
/* rgb */ color: rgb(85, 113, 234);
/* oklch */ color: oklch(59.2% 0.185 270.1);

Tailwind

colors: {
  custom: {
    50: '#9399f1',
    500: '#5571ea',
    950: '#000000',
  },
}

SCSS

$custom: #5571ea;
$custom-light: #9399f1;
$custom-dark: #000000;

JSON

{
  "hex": "#5571ea",
  "rgb": {
    "r": 85,
    "g": 113,
    "b": 234
  },
  "hsl": {
    "h": 228.725,
    "s": 78.01,
    "l": 62.549
  },
  "oklch": {
    "l": 0.59193,
    "c": 0.18477,
    "h": 270.1
  },
  "luminance": 0.19682
}

Semantic roles & 50–950 ramp

primary

#5571EA

secondary

#E8DEB2

accent

#B30BDA

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D17

muted

#7E7E85

Preview Lab

Preview with #5571EA

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

Preview Lab → · Contrast checker → · Palette generator →