#5571CD#5571CD

#5571CD is a mid, vivid blue. Relative luminance 0.181; OKLCH L 57.2% C 0.145 H 268.8°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#5571CD
RGB	rgb(85, 113, 205)
HSL	hsl(226, 55%, 57%)
HSV	hsv(226, 59%, 80%)
CMYK	cmyk(58.5%, 44.9%, 0%, 19.6%)
CIE-LAB	lab(49.67, 17.59, -50.88)
CIE-LCH	lch(49.67, 53.83, 289.07°)
OKLab	oklab(57.25% -0.0031 -0.1451)
OKLCH	oklch(57.25% 0.145 268.8)
XYZ	xyz(20.6672, 18.1477, 60.1595)
Luminance	0.1815 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5571CD #CDB155

analogous

#55ADCD #5571CD #7555CD

triadic

#5571CD #CD5571 #71CD55

tetradic

#5571CD #CD55AD #CDB155 #55CD75

square

#5571CD #CD55AD #CDB155 #55CD75

split-complementary

#5571CD #CD7555 #ADCD55

monochromatic

#263B82 #3451B1 #5571CD #8499DB #B4C0E9

Accessibility & contrast

On white

4.54

#5571CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#5571CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5571CD

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5571CD	#FFFFFF	#000000	##000000
##5571CD	1.00	4.54	4.63	4.63
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#477CD0

Deuteranopia (green-blind)

#3671CB

Tritanopia (blue-blind)

#008695

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #5571cd;
/* rgb */ color: rgb(85, 113, 205);
/* oklch */ color: oklch(57.2% 0.145 268.8);

Tailwind

colors: {
  custom: {
    50: '#8e99dd',
    500: '#5571cd',
    950: '#000000',
  },
}

SCSS

$custom: #5571cd;
$custom-light: #8e99dd;
$custom-dark: #000000;

JSON

{
  "hex": "#5571cd",
  "rgb": {
    "r": 85,
    "g": 113,
    "b": 205
  },
  "hsl": {
    "h": 226,
    "s": 54.545,
    "l": 56.863
  },
  "oklch": {
    "l": 0.57249,
    "c": 0.14508,
    "h": 268.8
  },
  "luminance": 0.18149
}

Semantic roles & 50–950 ramp

primary

#5571CD

secondary

#D7CCA6

accent

#BB4ADE

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #5571CD

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

Preview Lab → · Contrast checker → · Palette generator →