#5571EE#5571EE

#5571EE is a mid, vivid blue. Relative luminance 0.199; OKLCH L 59.5% C 0.190 H 270.2°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#5571EE
RGB	rgb(85, 113, 238)
HSL	hsl(229, 82%, 63%)
HSV	hsv(229, 64%, 93%)
CMYK	cmyk(64.3%, 52.5%, 0%, 6.7%)
CIE-LAB	lab(51.74, 28.72, -66.20)
CIE-LCH	lch(51.74, 72.16, 293.45°)
OKLab	oklab(59.48% 0.0006 -0.1901)
OKLCH	oklch(59.48% 0.19 270.2)
XYZ	xyz(25.0788, 19.9123, 83.3942)
Luminance	0.1991 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5571EE #EED255

analogous

#55BDEE #5571EE #8555EE

triadic

#5571EE #EE5571 #71EE55

tetradic

#5571EE #EE55BD #EED255 #55EE85

square

#5571EE #EE55BD #EED255 #55EE85

split-complementary

#5571EE #EE8555 #BDEE55

monochromatic

#1230B6 #1D43E8 #5571EE #8D9FF4 #C4CEF9

Accessibility & contrast

On white

4.21

#5571EE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#5571EE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5571EE

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5571EE	#FFFFFF	#000000	##000000
##5571EE	1.00	4.21	4.98	4.98
#FFFFFF	4.21	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D82F2

Deuteranopia (green-blind)

#0075EB

Tritanopia (blue-blind)

#008FA5

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #5571ee;
/* rgb */ color: rgb(85, 113, 238);
/* oklch */ color: oklch(59.5% 0.190 270.2);

Tailwind

colors: {
  custom: {
    50: '#9499f4',
    500: '#5571ee',
    950: '#000000',
  },
}

SCSS

$custom: #5571ee;
$custom-light: #9499f4;
$custom-dark: #000000;

JSON

{
  "hex": "#5571ee",
  "rgb": {
    "r": 85,
    "g": 113,
    "b": 238
  },
  "hsl": {
    "h": 229.02,
    "s": 81.818,
    "l": 63.333
  },
  "oklch": {
    "l": 0.59477,
    "c": 0.19009,
    "h": 270.2
  },
  "luminance": 0.19915
}

Semantic roles & 50–950 ramp

primary

#5571EE

secondary

#EBE1B4

accent

#B707DE

background

#F9F9FF

surface

#F2F2FE

border

#CCCCD6

text

#0E0D17

muted

#7E7E85

Preview Lab

Preview with #5571EE

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

Preview Lab → · Contrast checker → · Palette generator →