#5571F0#5571F0

#5571F0 is a mid, vivid blue. Relative luminance 0.200; OKLCH L 59.6% C 0.193 H 270.2°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#5571F0
RGB	rgb(85, 113, 240)
HSL	hsl(229, 84%, 64%)
HSV	hsv(229, 65%, 94%)
CMYK	cmyk(64.6%, 52.9%, 0%, 5.9%)
CIE-LAB	lab(51.87, 29.40, -67.10)
CIE-LCH	lch(51.87, 73.26, 293.66°)
OKLab	oklab(59.62% 0.0007 -0.1927)
OKLCH	oklch(59.62% 0.193 270.2)
XYZ	xyz(25.3743, 20.0305, 84.9503)
Luminance	0.2003 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5571F0 #F0D455

analogous

#55BEF0 #5571F0 #8655F0

triadic

#5571F0 #F05571 #71F055

tetradic

#5571F0 #F055BE #F0D455 #55F086

square

#5571F0 #F055BE #F0D455 #55F086

split-complementary

#5571F0 #F08655 #BEF055

monochromatic

#102FBA #1D42EB #5571F0 #8DA0F5 #C5CFFA

Accessibility & contrast

On white

4.19

#5571F0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.01

#5571F0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5571F0

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5571F0	#FFFFFF	#000000	##000000
##5571F0	1.00	4.19	5.01	5.01
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.01	21.00	1.00	1.00
##000000	5.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#1883F4

Deuteranopia (green-blind)

#0075ED

Tritanopia (blue-blind)

#008FA6

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #5571f0;
/* rgb */ color: rgb(85, 113, 240);
/* oklch */ color: oklch(59.6% 0.193 270.2);

Tailwind

colors: {
  custom: {
    50: '#9499f6',
    500: '#5571f0',
    950: '#000000',
  },
}

SCSS

$custom: #5571f0;
$custom-light: #9499f6;
$custom-dark: #000000;

JSON

{
  "hex": "#5571f0",
  "rgb": {
    "r": 85,
    "g": 113,
    "b": 240
  },
  "hsl": {
    "h": 229.161,
    "s": 83.784,
    "l": 63.725
  },
  "oklch": {
    "l": 0.5962,
    "c": 0.19274,
    "h": 270.2
  },
  "luminance": 0.20033
}

Semantic roles & 50–950 ramp

primary

#5571F0

secondary

#ECE2B5

accent

#B905E0

background

#F9F9FF

surface

#F2F2FF

border

#CCCCD7

text

#0F0D17

muted

#7E7E85

Preview Lab

Preview with #5571F0

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

Preview Lab → · Contrast checker → · Palette generator →