#3578C1#3578C1

#3578C1 is a mid, vivid cyan. Relative luminance 0.180; OKLCH L 56.5% C 0.132 H 252.9°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#3578C1
RGB	rgb(53, 120, 193)
HSL	hsl(211, 57%, 48%)
HSV	hsv(211, 73%, 76%)
CMYK	cmyk(72.5%, 37.8%, 0%, 24.3%)
CIE-LAB	lab(49.54, 3.59, -44.31)
CIE-LCH	lch(49.54, 44.45, 274.63°)
OKLab	oklab(56.54% -0.0389 -0.1262)
OKLCH	oklch(56.54% 0.132 252.9)
XYZ	xyz(17.8067, 18.0381, 52.9850)
Luminance	0.1804 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3578C1 #C17E35

analogous

#35BEC1 #3578C1 #3835C1

triadic

#3578C1 #C13578 #78C135

tetradic

#3578C1 #C135BE #C17E35 #35C138

square

#3578C1 #C135BE #C17E35 #35C138

split-complementary

#3578C1 #C13835 #BEC135

monochromatic

#1B3C61 #285A91 #3578C1 #6097D3 #90B6E0

Accessibility & contrast

On white

4.56

#3578C1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#3578C1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3578C1

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3578C1	#FFFFFF	#000000	##000000
##3578C1	1.00	4.56	4.61	4.61
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#567DC4

Deuteranopia (green-blind)

#4170C0

Tritanopia (blue-blind)

#008993

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3578c1;
/* rgb */ color: rgb(53, 120, 193);
/* oklch */ color: oklch(56.5% 0.132 252.9);

Tailwind

colors: {
  custom: {
    50: '#7e9ed4',
    500: '#3578c1',
    950: '#000000',
  },
}

SCSS

$custom: #3578c1;
$custom-light: #7e9ed4;
$custom-dark: #000000;

JSON

{
  "hex": "#3578c1",
  "rgb": {
    "r": 53,
    "g": 120,
    "b": 193
  },
  "hsl": {
    "h": 211.286,
    "s": 56.911,
    "l": 48.235
  },
  "oklch": {
    "l": 0.5654,
    "c": 0.13206,
    "h": 252.9
  },
  "luminance": 0.1804
}

Semantic roles & 50–950 ramp

primary

#3578C1

secondary

#CBAA87

accent

#9748E0

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3578C1

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

Preview Lab → · Contrast checker → · Palette generator →