#5571EC#5571EC

#5571EC is a mid, vivid blue. Relative luminance 0.198; OKLCH L 59.3% C 0.187 H 270.1°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#5571EC
RGB	rgb(85, 113, 236)
HSL	hsl(229, 80%, 63%)
HSV	hsv(229, 64%, 93%)
CMYK	cmyk(64%, 52.1%, 0%, 7.5%)
CIE-LAB	lab(51.61, 28.04, -65.29)
CIE-LCH	lch(51.61, 71.06, 293.24°)
OKLab	oklab(59.33% 0.0004 -0.1874)
OKLCH	oklch(59.33% 0.187 270.1)
XYZ	xyz(24.7866, 19.7955, 81.8553)
Luminance	0.1980 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5571EC #ECD055

analogous

#55BDEC #5571EC #8455EC

triadic

#5571EC #EC5571 #71EC55

tetradic

#5571EC #EC55BD #ECD055 #55EC84

square

#5571EC #EC55BD #ECD055 #55EC84

split-complementary

#5571EC #EC8455 #BDEC55

monochromatic

#1431B3 #1E43E6 #5571EC #8C9FF2 #C3CDF8

Accessibility & contrast

On white

4.23

#5571EC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#5571EC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5571EC

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5571EC	#FFFFFF	#000000	##000000
##5571EC	1.00	4.23	4.96	4.96
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2282F0

Deuteranopia (green-blind)

#0075E9

Tritanopia (blue-blind)

#008EA4

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #5571ec;
/* rgb */ color: rgb(85, 113, 236);
/* oklch */ color: oklch(59.3% 0.187 270.1);

Tailwind

colors: {
  custom: {
    50: '#9399f3',
    500: '#5571ec',
    950: '#000000',
  },
}

SCSS

$custom: #5571ec;
$custom-light: #9399f3;
$custom-dark: #000000;

JSON

{
  "hex": "#5571ec",
  "rgb": {
    "r": 85,
    "g": 113,
    "b": 236
  },
  "hsl": {
    "h": 228.874,
    "s": 79.894,
    "l": 62.941
  },
  "oklch": {
    "l": 0.59334,
    "c": 0.18743,
    "h": 270.1
  },
  "luminance": 0.19798
}

Semantic roles & 50–950 ramp

primary

#5571EC

secondary

#EADFB3

accent

#B509DC

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D17

muted

#7E7E85

Preview Lab

Preview with #5571EC

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

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