#5780CC#5780CC

#5780CC is a mid, vivid blue. Relative luminance 0.218; OKLCH L 60.5% C 0.125 H 261.9°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#5780CC
RGB	rgb(87, 128, 204)
HSL	hsl(219, 53%, 57%)
HSV	hsv(219, 57%, 80%)
CMYK	cmyk(57.4%, 37.3%, 0%, 20%)
CIE-LAB	lab(53.84, 8.48, -43.68)
CIE-LCH	lch(53.84, 44.50, 280.99°)
OKLab	oklab(60.47% -0.0177 -0.1238)
OKLCH	oklch(60.47% 0.125 261.9)
XYZ	xyz(22.5450, 21.8224, 60.1391)
Luminance	0.2182 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5780CC #CCA357

analogous

#57BBCC #5780CC #6857CC

triadic

#5780CC #CC5780 #80CC57

tetradic

#5780CC #CC57BB #CCA357 #57CC68

square

#5780CC #CC57BB #CCA357 #57CC68

split-complementary

#5780CC #CC6857 #BBCC57

monochromatic

#274781 #3661B0 #5780CC #86A3DA #B5C7E9

Accessibility & contrast

On white

3.91

#5780CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#5780CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5780CC

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5780CC	#FFFFFF	#000000	##000000
##5780CC	1.00	3.91	5.36	5.36
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6087CF

Deuteranopia (green-blind)

#517CCA

Tritanopia (blue-blind)

#00919C

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #5780cc;
/* rgb */ color: rgb(87, 128, 204);
/* oklch */ color: oklch(60.5% 0.125 261.9);

Tailwind

colors: {
  custom: {
    50: '#8fa4dc',
    500: '#5780cc',
    950: '#000000',
  },
}

SCSS

$custom: #5780cc;
$custom-light: #8fa4dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5780cc",
  "rgb": {
    "r": 87,
    "g": 128,
    "b": 204
  },
  "hsl": {
    "h": 218.974,
    "s": 53.425,
    "l": 57.059
  },
  "oklch": {
    "l": 0.60468,
    "c": 0.12502,
    "h": 261.9
  },
  "luminance": 0.21824
}

Semantic roles & 50–950 ramp

primary

#5780CC

secondary

#D7C7A8

accent

#AA4BDD

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #5780CC

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

Preview Lab → · Contrast checker → · Palette generator →