#357BC4#357BC4

#357BC4 is a mid, vivid cyan. Relative luminance 0.189; OKLCH L 57.4% C 0.133 H 252.0°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#357BC4
RGB	rgb(53, 123, 196)
HSL	hsl(211, 57%, 49%)
HSV	hsv(211, 73%, 77%)
CMYK	cmyk(73%, 37.2%, 0%, 23.1%)
CIE-LAB	lab(50.58, 2.85, -44.38)
CIE-LCH	lch(50.58, 44.48, 273.68°)
OKLab	oklab(57.4% -0.041 -0.1264)
OKLCH	oklch(57.4% 0.133 252)
XYZ	xyz(18.5112, 18.9063, 54.8875)
Luminance	0.1891 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#357BC4 #C47E35

analogous

#35C3C4 #357BC4 #3635C4

triadic

#357BC4 #C4357B #7BC435

tetradic

#357BC4 #C435C3 #C47E35 #35C436

square

#357BC4 #C435C3 #C47E35 #35C436

split-complementary

#357BC4 #C43635 #C3C435

monochromatic

#1B3F64 #285D94 #357BC4 #629AD4 #92B9E1

Accessibility & contrast

On white

4.39

#357BC4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#357BC4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357BC4

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##357BC4	#FFFFFF	#000000	##000000
##357BC4	1.00	4.39	4.78	4.78
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5980C7

Deuteranopia (green-blind)

#4472C3

Tritanopia (blue-blind)

#008C96

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #357bc4;
/* rgb */ color: rgb(53, 123, 196);
/* oklch */ color: oklch(57.4% 0.133 252.0);

Tailwind

colors: {
  custom: {
    50: '#7ea0d6',
    500: '#357bc4',
    950: '#000000',
  },
}

SCSS

$custom: #357bc4;
$custom-light: #7ea0d6;
$custom-dark: #000000;

JSON

{
  "hex": "#357bc4",
  "rgb": {
    "r": 53,
    "g": 123,
    "b": 196
  },
  "hsl": {
    "h": 210.629,
    "s": 57.43,
    "l": 48.824
  },
  "oklch": {
    "l": 0.57402,
    "c": 0.13285,
    "h": 252
  },
  "luminance": 0.18908
}

Semantic roles & 50–950 ramp

primary

#357BC4

secondary

#CCAB88

accent

#9647E1

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #357BC4

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

Preview Lab → · Contrast checker → · Palette generator →