#5770DD#5770DD

#5770DD is a mid, vivid blue. Relative luminance 0.188; OKLCH L 58.2% C 0.168 H 270.7°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#5770DD
RGB	rgb(87, 112, 221)
HSL	hsl(229, 66%, 60%)
HSV	hsv(229, 61%, 87%)
CMYK	cmyk(60.6%, 49.3%, 0%, 13.3%)
CIE-LAB	lab(50.49, 23.94, -58.65)
CIE-LCH	lch(50.49, 63.35, 292.21°)
OKLab	oklab(58.21% 0.002 -0.1679)
OKLCH	oklch(58.21% 0.168 270.7)
XYZ	xyz(22.7714, 18.8331, 70.8278)
Luminance	0.1883 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5770DD #DDC457

analogous

#57B3DD #5770DD #8157DD

triadic

#5770DD #DD5770 #70DD57

tetradic

#5770DD #DD57B3 #DDC457 #57DD81

square

#5770DD #DD57B3 #DDC457 #57DD81

split-complementary

#5770DD #DD8157 #B3DD57

monochromatic

#1F369A #2A48CD #5770DD #8A9BE7 #BDC7F2

Accessibility & contrast

On white

4.41

#5770DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#5770DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5770DD

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5770DD	#FFFFFF	#000000	##000000
##5770DD	1.00	4.41	4.77	4.77
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#367EE1

Deuteranopia (green-blind)

#1973DB

Tritanopia (blue-blind)

#00899C

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #5770dd;
/* rgb */ color: rgb(87, 112, 221);
/* oklch */ color: oklch(58.2% 0.168 270.7);

Tailwind

colors: {
  custom: {
    50: '#9298e8',
    500: '#5770dd',
    950: '#000000',
  },
}

SCSS

$custom: #5770dd;
$custom-light: #9298e8;
$custom-dark: #000000;

JSON

{
  "hex": "#5770dd",
  "rgb": {
    "r": 87,
    "g": 112,
    "b": 221
  },
  "hsl": {
    "h": 228.806,
    "s": 66.337,
    "l": 60.392
  },
  "oklch": {
    "l": 0.58213,
    "c": 0.16787,
    "h": 270.7
  },
  "luminance": 0.18835
}

Semantic roles & 50–950 ramp

primary

#5770DD

secondary

#E1D8AE

accent

#AC17CE

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #5770DD

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

Preview Lab → · Contrast checker → · Palette generator →