#3583C4#3583C4

#3583C4 is a mid, vivid cyan. Relative luminance 0.210; OKLCH L 59.2% C 0.125 H 247.2°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#3583C4
RGB	rgb(53, 131, 196)
HSL	hsl(207, 57%, 49%)
HSV	hsv(207, 73%, 77%)
CMYK	cmyk(73%, 33.2%, 0%, 23.1%)
CIE-LAB	lab(52.92, -1.95, -40.68)
CIE-LCH	lch(52.92, 40.72, 267.26°)
OKLab	oklab(59.24% -0.0485 -0.1154)
OKLCH	oklch(59.24% 0.125 247.2)
XYZ	xyz(19.5445, 20.9728, 55.2320)
Luminance	0.2097 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3583C4 #C47635

analogous

#35C4BE #3583C4 #353BC4

triadic

#3583C4 #C43583 #83C435

tetradic

#3583C4 #BE35C4 #C47635 #3BC435

square

#3583C4 #BE35C4 #C47635 #3BC435

split-complementary

#3583C4 #C4353B #C4BE35

monochromatic

#1B4364 #286394 #3583C4 #62A0D4 #92BDE1

Accessibility & contrast

On white

4.04

#3583C4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.19

#3583C4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3583C4

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3583C4	#FFFFFF	#000000	##000000
##3583C4	1.00	4.04	5.19	5.19
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.19	21.00	1.00	1.00
##000000	5.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6586C7

Deuteranopia (green-blind)

#5178C3

Tritanopia (blue-blind)

#00939A

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #3583c4;
/* rgb */ color: rgb(53, 131, 196);
/* oklch */ color: oklch(59.2% 0.125 247.2);

Tailwind

colors: {
  custom: {
    50: '#7ea6d6',
    500: '#3583c4',
    950: '#000000',
  },
}

SCSS

$custom: #3583c4;
$custom-light: #7ea6d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3583c4",
  "rgb": {
    "r": 53,
    "g": 131,
    "b": 196
  },
  "hsl": {
    "h": 207.273,
    "s": 57.43,
    "l": 48.824
  },
  "oklch": {
    "l": 0.5924,
    "c": 0.1252,
    "h": 247.2
  },
  "luminance": 0.20975
}

Semantic roles & 50–950 ramp

primary

#3583C4

secondary

#CCA788

accent

#8D47E1

background

#F8FAFD

surface

#EFF4FA

border

#CACED3

text

#0B0F14

muted

#7C7F83

Preview Lab

Preview with #3583C4

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

Preview Lab → · Contrast checker → · Palette generator →