#5571E4#5571E4

#5571E4 is a mid, vivid blue. Relative luminance 0.193; OKLCH L 58.8% C 0.177 H 269.9°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#5571E4
RGB	rgb(85, 113, 228)
HSL	hsl(228, 73%, 61%)
HSV	hsv(228, 63%, 89%)
CMYK	cmyk(62.7%, 50.4%, 0%, 10.6%)
CIE-LAB	lab(51.08, 25.33, -61.65)
CIE-LCH	lch(51.08, 66.65, 292.34°)
OKLab	oklab(58.77% -0.0003 -0.1767)
OKLCH	oklch(58.77% 0.177 269.9)
XYZ	xyz(23.6503, 19.3409, 75.8706)
Luminance	0.1934 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5571E4 #E4C855

analogous

#55B9E4 #5571E4 #8155E4

triadic

#5571E4 #E45571 #71E455

tetradic

#5571E4 #E455B9 #E4C855 #55E481

square

#5571E4 #E455B9 #E4C855 #55E481

split-complementary

#5571E4 #E48155 #B9E455

monochromatic

#1A35A4 #2346D9 #5571E4 #8A9DEC #BFC9F5

Accessibility & contrast

On white

4.31

#5571E4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#5571E4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5571E4

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5571E4	#FFFFFF	#000000	##000000
##5571E4	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F80E8

Deuteranopia (green-blind)

#0074E2

Tritanopia (blue-blind)

#008CA0

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #5571e4;
/* rgb */ color: rgb(85, 113, 228);
/* oklch */ color: oklch(58.8% 0.177 269.9);

Tailwind

colors: {
  custom: {
    50: '#9299ed',
    500: '#5571e4',
    950: '#000000',
  },
}

SCSS

$custom: #5571e4;
$custom-light: #9299ed;
$custom-dark: #000000;

JSON

{
  "hex": "#5571e4",
  "rgb": {
    "r": 85,
    "g": 113,
    "b": 228
  },
  "hsl": {
    "h": 228.252,
    "s": 72.589,
    "l": 61.373
  },
  "oklch": {
    "l": 0.58774,
    "c": 0.17671,
    "h": 269.9
  },
  "luminance": 0.19343
}

Semantic roles & 50–950 ramp

primary

#5571E4

secondary

#E5DBB0

accent

#AE11D5

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #5571E4

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

Preview Lab → · Contrast checker → · Palette generator →