#3578C3#3578C3

#3578C3 is a mid, vivid cyan. Relative luminance 0.181; OKLCH L 56.7% C 0.135 H 253.4°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#3578C3
RGB	rgb(53, 120, 195)
HSL	hsl(212, 57%, 49%)
HSV	hsv(212, 73%, 76%)
CMYK	cmyk(72.8%, 38.5%, 0%, 23.5%)
CIE-LAB	lab(49.65, 4.32, -45.28)
CIE-LCH	lch(49.65, 45.49, 275.45°)
OKLab	oklab(56.66% -0.0384 -0.1291)
OKLCH	oklch(56.66% 0.135 253.4)
XYZ	xyz(18.0313, 18.1280, 54.1679)
Luminance	0.1813 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3578C3 #C38035

analogous

#35BFC3 #3578C3 #3935C3

triadic

#3578C3 #C33578 #78C335

tetradic

#3578C3 #C335BF #C38035 #35C339

square

#3578C3 #C335BF #C38035 #35C339

split-complementary

#3578C3 #C33935 #BFC335

monochromatic

#1B3D63 #285A93 #3578C3 #6197D4 #91B7E1

Accessibility & contrast

On white

4.54

#3578C3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#3578C3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3578C3

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3578C3	#FFFFFF	#000000	##000000
##3578C3	1.00	4.54	4.63	4.63
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#557DC6

Deuteranopia (green-blind)

#3F70C2

Tritanopia (blue-blind)

#008A94

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3578c3;
/* rgb */ color: rgb(53, 120, 195);
/* oklch */ color: oklch(56.7% 0.135 253.4);

Tailwind

colors: {
  custom: {
    50: '#7e9ed5',
    500: '#3578c3',
    950: '#000000',
  },
}

SCSS

$custom: #3578c3;
$custom-light: #7e9ed5;
$custom-dark: #000000;

JSON

{
  "hex": "#3578c3",
  "rgb": {
    "r": 53,
    "g": 120,
    "b": 195
  },
  "hsl": {
    "h": 211.69,
    "s": 57.258,
    "l": 48.627
  },
  "oklch": {
    "l": 0.5666,
    "c": 0.13466,
    "h": 253.4
  },
  "luminance": 0.1813
}

Semantic roles & 50–950 ramp

primary

#3578C3

secondary

#CCAC88

accent

#9847E1

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3578C3

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

Preview Lab → · Contrast checker → · Palette generator →