#3578C6#3578C6

#3578C6 is a mid, vivid cyan. Relative luminance 0.183; OKLCH L 56.8% C 0.139 H 254.2°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#3578C6
RGB	rgb(53, 120, 198)
HSL	hsl(212, 58%, 49%)
HSV	hsv(212, 73%, 78%)
CMYK	cmyk(73.2%, 39.4%, 0%, 22.4%)
CIE-LAB	lab(49.82, 5.42, -46.74)
CIE-LCH	lch(49.82, 47.05, 276.61°)
OKLab	oklab(56.84% -0.0377 -0.1333)
OKLCH	oklch(56.84% 0.139 254.2)
XYZ	xyz(18.3739, 18.2650, 55.9723)
Luminance	0.1827 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3578C6 #C68335

analogous

#35C1C6 #3578C6 #3B35C6

triadic

#3578C6 #C63578 #78C635

tetradic

#3578C6 #C635C1 #C68335 #35C63B

square

#3578C6 #C635C1 #C68335 #35C63B

split-complementary

#3578C6 #C63B35 #C1C635

monochromatic

#1B3D65 #285B96 #3578C6 #6398D5 #93B8E2

Accessibility & contrast

On white

4.51

#3578C6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#3578C6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3578C6

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3578C6	#FFFFFF	#000000	##000000
##3578C6	1.00	4.51	4.65	4.65
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#537EC9

Deuteranopia (green-blind)

#3D70C4

Tritanopia (blue-blind)

#008A95

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3578c6;
/* rgb */ color: rgb(53, 120, 198);
/* oklch */ color: oklch(56.8% 0.139 254.2);

Tailwind

colors: {
  custom: {
    50: '#7f9ed8',
    500: '#3578c6',
    950: '#000000',
  },
}

SCSS

$custom: #3578c6;
$custom-light: #7f9ed8;
$custom-dark: #000000;

JSON

{
  "hex": "#3578c6",
  "rgb": {
    "r": 53,
    "g": 120,
    "b": 198
  },
  "hsl": {
    "h": 212.276,
    "s": 57.769,
    "l": 49.216
  },
  "oklch": {
    "l": 0.56843,
    "c": 0.13856,
    "h": 254.2
  },
  "luminance": 0.18267
}

Semantic roles & 50–950 ramp

primary

#3578C6

secondary

#CDAE8A

accent

#9A47E1

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3578C6

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

Preview Lab → · Contrast checker → · Palette generator →