#5771DD#5771DD

#5771DD is a mid, vivid blue. Relative luminance 0.191; OKLCH L 58.4% C 0.167 H 270.3°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#5771DD
RGB	rgb(87, 113, 221)
HSL	hsl(228, 66%, 60%)
HSV	hsv(228, 61%, 87%)
CMYK	cmyk(60.6%, 48.9%, 0%, 13.3%)
CIE-LAB	lab(50.75, 23.32, -58.23)
CIE-LCH	lch(50.75, 62.73, 291.83°)
OKLab	oklab(58.41% 0.001 -0.1666)
OKLCH	oklch(58.41% 0.167 270.3)
XYZ	xyz(22.8824, 19.0550, 70.8647)
Luminance	0.1906 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5771DD #DDC357

analogous

#57B4DD #5771DD #8057DD

triadic

#5771DD #DD5771 #71DD57

tetradic

#5771DD #DD57B4 #DDC357 #57DD80

square

#5771DD #DD57B4 #DDC357 #57DD80

split-complementary

#5771DD #DD8057 #B4DD57

monochromatic

#1F379A #2A49CD #5771DD #8A9CE7 #BDC7F2

Accessibility & contrast

On white

4.36

#5771DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#5771DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5771DD

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5771DD	#FFFFFF	#000000	##000000
##5771DD	1.00	4.36	4.81	4.81
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#387FE1

Deuteranopia (green-blind)

#1D73DB

Tritanopia (blue-blind)

#008A9C

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #5771dd;
/* rgb */ color: rgb(87, 113, 221);
/* oklch */ color: oklch(58.4% 0.167 270.3);

Tailwind

colors: {
  custom: {
    50: '#9299e8',
    500: '#5771dd',
    950: '#000000',
  },
}

SCSS

$custom: #5771dd;
$custom-light: #9299e8;
$custom-dark: #000000;

JSON

{
  "hex": "#5771dd",
  "rgb": {
    "r": 87,
    "g": 113,
    "b": 221
  },
  "hsl": {
    "h": 228.358,
    "s": 66.337,
    "l": 60.392
  },
  "oklch": {
    "l": 0.5841,
    "c": 0.16661,
    "h": 270.3
  },
  "luminance": 0.19057
}

Semantic roles & 50–950 ramp

primary

#5771DD

secondary

#E1D8AE

accent

#AB17CE

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #5771DD

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

Preview Lab → · Contrast checker → · Palette generator →