#3583C6#3583C6

#3583C6 is a mid, vivid cyan. Relative luminance 0.211; OKLCH L 59.4% C 0.128 H 247.9°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#3583C6
RGB	rgb(53, 131, 198)
HSL	hsl(208, 58%, 49%)
HSV	hsv(208, 73%, 78%)
CMYK	cmyk(73.2%, 33.8%, 0%, 22.4%)
CIE-LAB	lab(53.02, -1.23, -41.66)
CIE-LCH	lch(53.02, 41.68, 268.31°)
OKLab	oklab(59.35% -0.0479 -0.1183)
OKLCH	oklch(59.35% 0.128 247.9)
XYZ	xyz(19.7737, 21.0645, 56.4388)
Luminance	0.2107 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3583C6 #C67835

analogous

#35C6C1 #3583C6 #353BC6

triadic

#3583C6 #C63583 #83C635

tetradic

#3583C6 #C135C6 #C67835 #3BC635

square

#3583C6 #C135C6 #C67835 #3BC635

split-complementary

#3583C6 #C6353B #C6C135

monochromatic

#1B4365 #286396 #3583C6 #63A0D5 #93BEE2

Accessibility & contrast

On white

4.03

#3583C6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.21

#3583C6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3583C6

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3583C6	#FFFFFF	#000000	##000000
##3583C6	1.00	4.03	5.21	5.21
#FFFFFF	4.03	1.00	21.00	21.00
#000000	5.21	21.00	1.00	1.00
##000000	5.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6486C9

Deuteranopia (green-blind)

#5078C5

Tritanopia (blue-blind)

#00939B

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3583c6;
/* rgb */ color: rgb(53, 131, 198);
/* oklch */ color: oklch(59.4% 0.128 247.9);

Tailwind

colors: {
  custom: {
    50: '#7fa6d7',
    500: '#3583c6',
    950: '#000000',
  },
}

SCSS

$custom: #3583c6;
$custom-light: #7fa6d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3583c6",
  "rgb": {
    "r": 53,
    "g": 131,
    "b": 198
  },
  "hsl": {
    "h": 207.724,
    "s": 57.769,
    "l": 49.216
  },
  "oklch": {
    "l": 0.59352,
    "c": 0.12764,
    "h": 247.9
  },
  "luminance": 0.21067
}

Semantic roles & 50–950 ramp

primary

#3583C6

secondary

#CDA98A

accent

#8E47E1

background

#F8FAFD

surface

#EFF4FA

border

#CACED3

text

#0B0F14

muted

#7C7F83

Preview Lab

Preview with #3583C6

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

Preview Lab → · Contrast checker → · Palette generator →