#3578C8#3578C8

#3578C8 is a mid, vivid cyan. Relative luminance 0.184; OKLCH L 57.0% C 0.141 H 254.7°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#3578C8
RGB	rgb(53, 120, 200)
HSL	hsl(213, 58%, 50%)
HSV	hsv(213, 74%, 78%)
CMYK	cmyk(73.5%, 40%, 0%, 21.6%)
CIE-LAB	lab(49.93, 6.15, -47.70)
CIE-LCH	lch(49.93, 48.10, 277.35°)
OKLab	oklab(56.97% -0.0372 -0.1362)
OKLCH	oklch(56.97% 0.141 254.7)
XYZ	xyz(18.6061, 18.3579, 57.1952)
Luminance	0.1836 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3578C8 #C88535

analogous

#35C2C8 #3578C8 #3B35C8

triadic

#3578C8 #C83578 #78C835

tetradic

#3578C8 #C835C2 #C88535 #35C83B

square

#3578C8 #C835C2 #C88535 #35C83B

split-complementary

#3578C8 #C83B35 #C2C835

monochromatic

#1B3E67 #285B98 #3578C8 #6498D6 #95B8E3

Accessibility & contrast

On white

4.49

#3578C8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.67

#3578C8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3578C8

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3578C8	#FFFFFF	#000000	##000000
##3578C8	1.00	4.49	4.67	4.67
#FFFFFF	4.49	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)

#527ECB

Deuteranopia (green-blind)

#3B71C6

Tritanopia (blue-blind)

#008B96

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3578c8;
/* rgb */ color: rgb(53, 120, 200);
/* oklch */ color: oklch(57.0% 0.141 254.7);

Tailwind

colors: {
  custom: {
    50: '#7f9ed9',
    500: '#3578c8',
    950: '#000000',
  },
}

SCSS

$custom: #3578c8;
$custom-light: #7f9ed9;
$custom-dark: #000000;

JSON

{
  "hex": "#3578c8",
  "rgb": {
    "r": 53,
    "g": 120,
    "b": 200
  },
  "hsl": {
    "h": 212.653,
    "s": 58.103,
    "l": 49.608
  },
  "oklch": {
    "l": 0.56966,
    "c": 0.14116,
    "h": 254.7
  },
  "luminance": 0.1836
}

Semantic roles & 50–950 ramp

primary

#3578C8

secondary

#CEAF8B

accent

#9B46E1

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0E15

muted

#7C7E83

Preview Lab

Preview with #3578C8

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

Preview Lab → · Contrast checker → · Palette generator →