#3578C4#3578C4

#3578C4 is a mid, vivid cyan. Relative luminance 0.182; OKLCH L 56.7% C 0.136 H 253.7°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#3578C4
RGB	rgb(53, 120, 196)
HSL	hsl(212, 57%, 49%)
HSV	hsv(212, 73%, 77%)
CMYK	cmyk(73%, 38.8%, 0%, 23.1%)
CIE-LAB	lab(49.71, 4.69, -45.77)
CIE-LCH	lch(49.71, 46.01, 275.85°)
OKLab	oklab(56.72% -0.0382 -0.1305)
OKLCH	oklch(56.72% 0.136 253.7)
XYZ	xyz(18.1448, 18.1733, 54.7654)
Luminance	0.1817 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3578C4 #C48135

analogous

#35C0C4 #3578C4 #3935C4

triadic

#3578C4 #C43578 #78C435

tetradic

#3578C4 #C435C0 #C48135 #35C439

square

#3578C4 #C435C0 #C48135 #35C439

split-complementary

#3578C4 #C43935 #C0C435

monochromatic

#1B3D64 #285B94 #3578C4 #6297D4 #92B7E1

Accessibility & contrast

On white

4.53

#3578C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#3578C4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3578C4

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3578C4	#FFFFFF	#000000	##000000
##3578C4	1.00	4.53	4.64	4.64
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#557DC7

Deuteranopia (green-blind)

#3E70C2

Tritanopia (blue-blind)

#008A94

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3578c4;
/* rgb */ color: rgb(53, 120, 196);
/* oklch */ color: oklch(56.7% 0.136 253.7);

Tailwind

colors: {
  custom: {
    50: '#7e9ed6',
    500: '#3578c4',
    950: '#000000',
  },
}

SCSS

$custom: #3578c4;
$custom-light: #7e9ed6;
$custom-dark: #000000;

JSON

{
  "hex": "#3578c4",
  "rgb": {
    "r": 53,
    "g": 120,
    "b": 196
  },
  "hsl": {
    "h": 211.888,
    "s": 57.43,
    "l": 48.824
  },
  "oklch": {
    "l": 0.56721,
    "c": 0.13595,
    "h": 253.7
  },
  "luminance": 0.18175
}

Semantic roles & 50–950 ramp

primary

#3578C4

secondary

#CCAD88

accent

#9947E1

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3578C4

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

Preview Lab → · Contrast checker → · Palette generator →