#3581C4#3581C4

#3581C4 is a mid, vivid cyan. Relative luminance 0.204; OKLCH L 58.8% C 0.127 H 248.5°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#3581C4
RGB	rgb(53, 129, 196)
HSL	hsl(208, 57%, 49%)
HSV	hsv(208, 73%, 77%)
CMYK	cmyk(73%, 34.2%, 0%, 23.1%)
CIE-LAB	lab(52.33, -0.76, -41.61)
CIE-LCH	lch(52.33, 41.61, 268.95°)
OKLab	oklab(58.78% -0.0466 -0.1182)
OKLCH	oklch(58.78% 0.127 248.5)
XYZ	xyz(19.2785, 20.4408, 55.1433)
Luminance	0.2044 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3581C4 #C47835

analogous

#35C4C0 #3581C4 #3539C4

triadic

#3581C4 #C43581 #81C435

tetradic

#3581C4 #C035C4 #C47835 #39C435

square

#3581C4 #C035C4 #C47835 #39C435

split-complementary

#3581C4 #C43539 #C4C035

monochromatic

#1B4264 #286194 #3581C4 #629FD4 #92BCE1

Accessibility & contrast

On white

4.13

#3581C4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#3581C4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3581C4

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3581C4	#FFFFFF	#000000	##000000
##3581C4	1.00	4.13	5.09	5.09
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6284C7

Deuteranopia (green-blind)

#4E77C3

Tritanopia (blue-blind)

#009199

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #3581c4;
/* rgb */ color: rgb(53, 129, 196);
/* oklch */ color: oklch(58.8% 0.127 248.5);

Tailwind

colors: {
  custom: {
    50: '#7ea5d6',
    500: '#3581c4',
    950: '#000000',
  },
}

SCSS

$custom: #3581c4;
$custom-light: #7ea5d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3581c4",
  "rgb": {
    "r": 53,
    "g": 129,
    "b": 196
  },
  "hsl": {
    "h": 208.112,
    "s": 57.43,
    "l": 48.824
  },
  "oklch": {
    "l": 0.58778,
    "c": 0.12702,
    "h": 248.5
  },
  "luminance": 0.20443
}

Semantic roles & 50–950 ramp

primary

#3581C4

secondary

#CCA888

accent

#8F47E1

background

#F8FAFD

surface

#EFF4FA

border

#CACED3

text

#0B0F14

muted

#7C7F83

Preview Lab

Preview with #3581C4

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

Preview Lab → · Contrast checker → · Palette generator →