#357CC4#357CC4

#357CC4 is a mid, vivid cyan. Relative luminance 0.192; OKLCH L 57.6% C 0.132 H 251.5°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#357CC4
RGB	rgb(53, 124, 196)
HSL	hsl(210, 57%, 49%)
HSV	hsv(210, 73%, 77%)
CMYK	cmyk(73%, 36.7%, 0%, 23.1%)
CIE-LAB	lab(50.87, 2.25, -43.92)
CIE-LCH	lch(50.87, 43.98, 272.93°)
OKLab	oklab(57.63% -0.0419 -0.125)
OKLCH	oklch(57.63% 0.132 251.5)
XYZ	xyz(18.6359, 19.1556, 54.9291)
Luminance	0.1916 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#357CC4 #C47D35

analogous

#35C4C4 #357CC4 #3635C4

triadic

#357CC4 #C4357C #7CC435

tetradic

#357CC4 #C435C4 #C47D35 #35C436

square

#357CC4 #C435C4 #C47D35 #35C436

split-complementary

#357CC4 #C43635 #C4C435

monochromatic

#1B3F64 #285E94 #357CC4 #629BD4 #92B9E1

Accessibility & contrast

On white

4.35

#357CC4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#357CC4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357CC4

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##357CC4	#FFFFFF	#000000	##000000
##357CC4	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B80C7

Deuteranopia (green-blind)

#4673C3

Tritanopia (blue-blind)

#008D97

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #357cc4;
/* rgb */ color: rgb(53, 124, 196);
/* oklch */ color: oklch(57.6% 0.132 251.5);

Tailwind

colors: {
  custom: {
    50: '#7ea1d6',
    500: '#357cc4',
    950: '#000000',
  },
}

SCSS

$custom: #357cc4;
$custom-light: #7ea1d6;
$custom-dark: #000000;

JSON

{
  "hex": "#357cc4",
  "rgb": {
    "r": 53,
    "g": 124,
    "b": 196
  },
  "hsl": {
    "h": 210.21,
    "s": 57.43,
    "l": 48.824
  },
  "oklch": {
    "l": 0.5763,
    "c": 0.13185,
    "h": 251.5
  },
  "luminance": 0.19158
}

Semantic roles & 50–950 ramp

primary

#357CC4

secondary

#CCAB88

accent

#9447E1

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #357CC4

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

Preview Lab → · Contrast checker → · Palette generator →