#5571DA#5571DA

#5571DA is a mid, vivid blue. Relative luminance 0.188; OKLCH L 58.1% C 0.163 H 269.5°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#5571DA
RGB	rgb(85, 113, 218)
HSL	hsl(227, 64%, 59%)
HSV	hsv(227, 61%, 85%)
CMYK	cmyk(61%, 48.2%, 0%, 14.5%)
CIE-LAB	lab(50.45, 21.95, -57.02)
CIE-LCH	lch(50.45, 61.10, 291.06°)
OKLab	oklab(58.1% -0.0013 -0.1631)
OKLCH	oklch(58.1% 0.163 269.5)
XYZ	xyz(22.3021, 18.8016, 68.7699)
Luminance	0.1880 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5571DA #DABE55

analogous

#55B4DA #5571DA #7B55DA

triadic

#5571DA #DA5571 #71DA55

tetradic

#5571DA #DA55B4 #DABE55 #55DA7B

square

#5571DA #DA55B4 #DABE55 #55DA7B

split-complementary

#5571DA #DA7B55 #B4DA55

monochromatic

#203994 #2B4CC7 #5571DA #879BE5 #BAC5F0

Accessibility & contrast

On white

4.41

#5571DA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#5571DA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5571DA

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5571DA	#FFFFFF	#000000	##000000
##5571DA	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B7EDE

Deuteranopia (green-blind)

#2272D8

Tritanopia (blue-blind)

#00899B

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #5571da;
/* rgb */ color: rgb(85, 113, 218);
/* oklch */ color: oklch(58.1% 0.163 269.5);

Tailwind

colors: {
  custom: {
    50: '#9099e6',
    500: '#5571da',
    950: '#000000',
  },
}

SCSS

$custom: #5571da;
$custom-light: #9099e6;
$custom-dark: #000000;

JSON

{
  "hex": "#5571da",
  "rgb": {
    "r": 85,
    "g": 113,
    "b": 218
  },
  "hsl": {
    "h": 227.368,
    "s": 64.251,
    "l": 59.412
  },
  "oklch": {
    "l": 0.58095,
    "c": 0.1631,
    "h": 269.5
  },
  "luminance": 0.18804
}

Semantic roles & 50–950 ramp

primary

#5571DA

secondary

#DFD4AB

accent

#C441E7

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #5571DA

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

Preview Lab → · Contrast checker → · Palette generator →