#357CC5#357CC5

#357CC5 is a mid, vivid cyan. Relative luminance 0.192; OKLCH L 57.7% C 0.133 H 251.8°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX#357CC5
RGBrgb(53, 124, 197)
HSLhsl(210, 58%, 49%)
HSVhsv(210, 73%, 77%)
CMYKcmyk(73.1%, 37.1%, 0%, 22.7%)
CIE-LABlab(50.92, 2.61, -44.41)
CIE-LCHlch(50.92, 44.49, 273.36°)
OKLaboklab(57.69% -0.0416 -0.1264)
OKLCHoklch(57.69% 0.133 251.8)
XYZxyz(18.7501, 19.2013, 55.5305)
Luminance0.1920 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#357CC5 #C57E35
analogous
#35C4C5 #357CC5 #3635C5
triadic
#357CC5 #C5357C #7CC535
tetradic
#357CC5 #C535C4 #C57E35 #35C536
square
#357CC5 #C535C4 #C57E35 #35C536
split-complementary
#357CC5 #C53635 #C4C535
monochromatic
#1B3F65 #285E95 #357CC5 #629BD5 #93BAE2

Accessibility & contrast

On white

4.34
#357CC5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.84
#357CC5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357CC5
4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##357CC5#FFFFFF#000000##000000
##357CC51.004.344.844.84
#FFFFFF4.341.0021.0021.00
#0000004.8421.001.001.00
##0000004.8421.001.001.00

Color blindness preview

Protanopia (red-blind)
#5A81C8
Deuteranopia (green-blind)
#4573C4
Tritanopia (blue-blind)
#008D97
Achromatopsia (no color)
#797979

Design tokens & code

CSS
--color: #357cc5;
/* rgb */ color: rgb(53, 124, 197);
/* oklch */ color: oklch(57.7% 0.133 251.8);
Tailwind
colors: {
  custom: {
    50: '#7ea1d7',
    500: '#357cc5',
    950: '#000000',
  },
}
SCSS
$custom: #357cc5;
$custom-light: #7ea1d7;
$custom-dark: #000000;
JSON
{
  "hex": "#357cc5",
  "rgb": {
    "r": 53,
    "g": 124,
    "b": 197
  },
  "hsl": {
    "h": 210.417,
    "s": 57.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.57689,
    "c": 0.13312,
    "h": 251.8
  },
  "luminance": 0.19203
}

Semantic roles & 50–950 ramp

primary
#357CC5
secondary
#CDAB89
accent
#9547E1
background
#F8F9FD
surface
#EFF2FA
border
#CACCD3
text
#0B0E14
muted
#7C7E83

Preview Lab

Preview with #357CC5

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

Preview Lab → · Contrast checker → · Palette generator →

#357CC5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva