#5773DD#5773DD

#5773DD is a mid, vivid blue. Relative luminance 0.195; OKLCH L 58.8% C 0.164 H 269.7°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#5773DD
RGB	rgb(87, 115, 221)
HSL	hsl(227, 66%, 60%)
HSV	hsv(227, 61%, 87%)
CMYK	cmyk(60.6%, 48%, 0%, 13.3%)
CIE-LAB	lab(51.27, 22.09, -57.39)
CIE-LCH	lch(51.27, 61.50, 291.05°)
OKLab	oklab(58.81% -0.001 -0.1641)
OKLCH	oklch(58.81% 0.164 269.7)
XYZ	xyz(23.1080, 19.5062, 70.9399)
Luminance	0.1951 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5773DD #DDC157

analogous

#57B6DD #5773DD #7E57DD

triadic

#5773DD #DD5773 #73DD57

tetradic

#5773DD #DD57B6 #DDC157 #57DD7E

square

#5773DD #DD57B6 #DDC157 #57DD7E

split-complementary

#5773DD #DD7E57 #B6DD57

monochromatic

#1F399A #2A4CCD #5773DD #8A9DE7 #BDC8F2

Accessibility & contrast

On white

4.28

#5773DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#5773DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5773DD

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5773DD	#FFFFFF	#000000	##000000
##5773DD	1.00	4.28	4.90	4.90
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D80E1

Deuteranopia (green-blind)

#2475DB

Tritanopia (blue-blind)

#008B9D

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #5773dd;
/* rgb */ color: rgb(87, 115, 221);
/* oklch */ color: oklch(58.8% 0.164 269.7);

Tailwind

colors: {
  custom: {
    50: '#929ae8',
    500: '#5773dd',
    950: '#000000',
  },
}

SCSS

$custom: #5773dd;
$custom-light: #929ae8;
$custom-dark: #000000;

JSON

{
  "hex": "#5773dd",
  "rgb": {
    "r": 87,
    "g": 115,
    "b": 221
  },
  "hsl": {
    "h": 227.463,
    "s": 66.337,
    "l": 60.392
  },
  "oklch": {
    "l": 0.58807,
    "c": 0.16412,
    "h": 269.7
  },
  "luminance": 0.19508
}

Semantic roles & 50–950 ramp

primary

#5773DD

secondary

#E1D7AE

accent

#A817CE

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #5773DD

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

Preview Lab → · Contrast checker → · Palette generator →