#3584CC#3584CC

#3584CC is a mid, vivid cyan. Relative luminance 0.216; OKLCH L 59.9% C 0.134 H 249.4°. Best body text is #000000 at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#3584CC
RGB	rgb(53, 132, 204)
HSL	hsl(209, 60%, 50%)
HSV	hsv(209, 74%, 80%)
CMYK	cmyk(74%, 35.3%, 0%, 20%)
CIE-LAB	lab(53.62, 0.33, -44.12)
CIE-LCH	lch(53.62, 44.12, 270.43°)
OKLab	oklab(59.92% -0.0472 -0.1255)
OKLCH	oklch(59.92% 0.134 249.4)
XYZ	xyz(20.6144, 21.6167, 60.2010)
Luminance	0.2162 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3584CC #CC7D35

analogous

#35CCC8 #3584CC #3538CC

triadic

#3584CC #CC3584 #84CC35

tetradic

#3584CC #C835CC #CC7D35 #38CC35

square

#3584CC #C835CC #CC7D35 #38CC35

split-complementary

#3584CC #CC3538 #CCC835

monochromatic

#1B456B #27659C #3584CC #66A2D8 #97C0E5

Accessibility & contrast

On white

3.94

#3584CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.32

#3584CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3584CC

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3584CC	#FFFFFF	#000000	##000000
##3584CC	1.00	3.94	5.32	5.32
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.32	21.00	1.00	1.00
##000000	5.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6388CF

Deuteranopia (green-blind)

#4D7ACB

Tritanopia (blue-blind)

#00959E

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3584cc;
/* rgb */ color: rgb(53, 132, 204);
/* oklch */ color: oklch(59.9% 0.134 249.4);

Tailwind

colors: {
  custom: {
    50: '#80a7dc',
    500: '#3584cc',
    950: '#000000',
  },
}

SCSS

$custom: #3584cc;
$custom-light: #80a7dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3584cc",
  "rgb": {
    "r": 53,
    "g": 132,
    "b": 204
  },
  "hsl": {
    "h": 208.609,
    "s": 59.684,
    "l": 50.392
  },
  "oklch": {
    "l": 0.59921,
    "c": 0.13406,
    "h": 249.4
  },
  "luminance": 0.21619
}

Semantic roles & 50–950 ramp

primary

#3584CC

secondary

#D0AD8D

accent

#9045E3

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #3584CC

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

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