#3579C2#3579C2

#3579C2 is a mid, vivid cyan. Relative luminance 0.183; OKLCH L 56.8% C 0.132 H 252.6°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#3579C2
RGB	rgb(53, 121, 194)
HSL	hsl(211, 57%, 48%)
HSV	hsv(211, 73%, 76%)
CMYK	cmyk(72.7%, 37.6%, 0%, 23.9%)
CIE-LAB	lab(49.89, 3.34, -44.33)
CIE-LCH	lch(49.89, 44.46, 274.31°)
OKLab	oklab(56.83% -0.0396 -0.1263)
OKLCH	oklch(56.83% 0.132 252.6)
XYZ	xyz(18.0395, 18.3247, 53.6148)
Luminance	0.1833 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3579C2 #C27E35

analogous

#35BFC2 #3579C2 #3735C2

triadic

#3579C2 #C23579 #79C235

tetradic

#3579C2 #C235BF #C27E35 #35C237

square

#3579C2 #C235BF #C27E35 #35C237

split-complementary

#3579C2 #C23735 #BFC235

monochromatic

#1B3D62 #285B92 #3579C2 #6098D4 #91B7E1

Accessibility & contrast

On white

4.50

#3579C2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#3579C2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3579C2

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3579C2	#FFFFFF	#000000	##000000
##3579C2	1.00	4.50	4.67	4.67
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#577EC5

Deuteranopia (green-blind)

#4271C1

Tritanopia (blue-blind)

#008A94

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3579c2;
/* rgb */ color: rgb(53, 121, 194);
/* oklch */ color: oklch(56.8% 0.132 252.6);

Tailwind

colors: {
  custom: {
    50: '#7e9fd5',
    500: '#3579c2',
    950: '#000000',
  },
}

SCSS

$custom: #3579c2;
$custom-light: #7e9fd5;
$custom-dark: #000000;

JSON

{
  "hex": "#3579c2",
  "rgb": {
    "r": 53,
    "g": 121,
    "b": 194
  },
  "hsl": {
    "h": 211.064,
    "s": 57.085,
    "l": 48.431
  },
  "oklch": {
    "l": 0.56827,
    "c": 0.13232,
    "h": 252.6
  },
  "luminance": 0.18327
}

Semantic roles & 50–950 ramp

primary

#3579C2

secondary

#CCAB87

accent

#9747E0

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3579C2

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

Preview Lab → · Contrast checker → · Palette generator →