#3578C0#3578C0

#3578C0 is a mid, vivid cyan. Relative luminance 0.180; OKLCH L 56.5% C 0.131 H 252.6°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#3578C0
RGB	rgb(53, 120, 192)
HSL	hsl(211, 57%, 48%)
HSV	hsv(211, 72%, 75%)
CMYK	cmyk(72.4%, 37.5%, 0%, 24.7%)
CIE-LAB	lab(49.49, 3.23, -43.82)
CIE-LCH	lch(49.49, 43.94, 274.21°)
OKLab	oklab(56.48% -0.0392 -0.1248)
OKLCH	oklch(56.48% 0.131 252.6)
XYZ	xyz(17.6956, 17.9936, 52.3995)
Luminance	0.1800 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3578C0 #C07D35

analogous

#35BDC0 #3578C0 #3735C0

triadic

#3578C0 #C03578 #78C035

tetradic

#3578C0 #C035BD #C07D35 #35C037

square

#3578C0 #C035BD #C07D35 #35C037

split-complementary

#3578C0 #C03735 #BDC035

monochromatic

#1B3C60 #285A90 #3578C0 #5F97D3 #8FB6E0

Accessibility & contrast

On white

4.57

#3578C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#3578C0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3578C0

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3578C0	#FFFFFF	#000000	##000000
##3578C0	1.00	4.57	4.60	4.60
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#577DC3

Deuteranopia (green-blind)

#4270BF

Tritanopia (blue-blind)

#008993

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3578c0;
/* rgb */ color: rgb(53, 120, 192);
/* oklch */ color: oklch(56.5% 0.131 252.6);

Tailwind

colors: {
  custom: {
    50: '#7e9ed3',
    500: '#3578c0',
    950: '#000000',
  },
}

SCSS

$custom: #3578c0;
$custom-light: #7e9ed3;
$custom-dark: #000000;

JSON

{
  "hex": "#3578c0",
  "rgb": {
    "r": 53,
    "g": 120,
    "b": 192
  },
  "hsl": {
    "h": 211.079,
    "s": 56.735,
    "l": 48.039
  },
  "oklch": {
    "l": 0.5648,
    "c": 0.13077,
    "h": 252.6
  },
  "luminance": 0.17996
}

Semantic roles & 50–950 ramp

primary

#3578C0

secondary

#CBAA86

accent

#9748E0

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3578C0

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

Preview Lab → · Contrast checker → · Palette generator →