#5571CA#5571CA

#5571CA is a mid, vivid blue. Relative luminance 0.180; OKLCH L 57.1% C 0.141 H 268.5°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#5571CA
RGB	rgb(85, 113, 202)
HSL	hsl(226, 52%, 56%)
HSV	hsv(226, 58%, 79%)
CMYK	cmyk(57.9%, 44.1%, 0%, 20.8%)
CIE-LAB	lab(49.50, 16.58, -49.44)
CIE-LCH	lch(49.50, 52.15, 288.54°)
OKLab	oklab(57.06% -0.0036 -0.1408)
OKLCH	oklch(57.06% 0.141 268.5)
XYZ	xyz(20.3085, 18.0042, 58.2706)
Luminance	0.1801 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5571CA #CAAE55

analogous

#55ACCA #5571CA #7455CA

triadic

#5571CA #CA5571 #71CA55

tetradic

#5571CA #CA55AC #CAAE55 #55CA74

square

#5571CA #CA55AC #CAAE55 #55CA74

split-complementary

#5571CA #CA7455 #ACCA55

monochromatic

#273C7D #3652AC #5571CA #8498D9 #B2BFE7

Accessibility & contrast

On white

4.56

#5571CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#5571CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5571CA

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5571CA	#FFFFFF	#000000	##000000
##5571CA	1.00	4.56	4.60	4.60
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#497BCD

Deuteranopia (green-blind)

#3971C8

Tritanopia (blue-blind)

#008594

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #5571ca;
/* rgb */ color: rgb(85, 113, 202);
/* oklch */ color: oklch(57.1% 0.141 268.5);

Tailwind

colors: {
  custom: {
    50: '#8e99da',
    500: '#5571ca',
    950: '#000000',
  },
}

SCSS

$custom: #5571ca;
$custom-light: #8e99da;
$custom-dark: #000000;

JSON

{
  "hex": "#5571ca",
  "rgb": {
    "r": 85,
    "g": 113,
    "b": 202
  },
  "hsl": {
    "h": 225.641,
    "s": 52.466,
    "l": 56.275
  },
  "oklch": {
    "l": 0.5706,
    "c": 0.14088,
    "h": 268.5
  },
  "luminance": 0.18006
}

Semantic roles & 50–950 ramp

primary

#5571CA

secondary

#D5CAA5

accent

#B94CDC

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #5571CA

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

Preview Lab → · Contrast checker → · Palette generator →