#5771EC#5771EC

#5771EC is a mid, vivid blue. Relative luminance 0.199; OKLCH L 59.4% C 0.187 H 270.7°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#5771EC
RGB	rgb(87, 113, 236)
HSL	hsl(230, 80%, 63%)
HSV	hsv(230, 63%, 93%)
CMYK	cmyk(63.1%, 52.1%, 0%, 7.5%)
CIE-LAB	lab(51.71, 28.37, -65.11)
CIE-LCH	lch(51.71, 71.03, 293.54°)
OKLab	oklab(59.45% 0.0024 -0.1869)
OKLCH	oklch(59.45% 0.187 270.7)
XYZ	xyz(24.9708, 19.8904, 81.8639)
Luminance	0.1989 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5771EC #ECD257

analogous

#57BBEC #5771EC #8757EC

triadic

#5771EC #EC5771 #71EC57

tetradic

#5771EC #EC57BB #ECD257 #57EC87

square

#5771EC #EC57BB #ECD257 #57EC87

split-complementary

#5771EC #EC8757 #BBEC57

monochromatic

#1430B4 #2043E6 #5771EC #8E9FF2 #C5CEF8

Accessibility & contrast

On white

4.22

#5771EC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#5771EC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5771EC

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5771EC	#FFFFFF	#000000	##000000
##5771EC	1.00	4.22	4.98	4.98
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2382F0

Deuteranopia (green-blind)

#0075E9

Tritanopia (blue-blind)

#008EA4

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #5771ec;
/* rgb */ color: rgb(87, 113, 236);
/* oklch */ color: oklch(59.4% 0.187 270.7);

Tailwind

colors: {
  custom: {
    50: '#9499f3',
    500: '#5771ec',
    950: '#000000',
  },
}

SCSS

$custom: #5771ec;
$custom-light: #9499f3;
$custom-dark: #000000;

JSON

{
  "hex": "#5771ec",
  "rgb": {
    "r": 87,
    "g": 113,
    "b": 236
  },
  "hsl": {
    "h": 229.53,
    "s": 79.679,
    "l": 63.333
  },
  "oklch": {
    "l": 0.59445,
    "c": 0.18687,
    "h": 270.7
  },
  "luminance": 0.19893
}

Semantic roles & 50–950 ramp

primary

#5771EC

secondary

#EAE1B5

accent

#B70ADC

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D17

muted

#7E7E85

Preview Lab

Preview with #5771EC

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

Preview Lab → · Contrast checker → · Palette generator →