#357BC3#357BC3

#357BC3 is a mid, vivid cyan. Relative luminance 0.189; OKLCH L 57.3% C 0.132 H 251.7°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX#357BC3
RGBrgb(53, 123, 195)
HSLhsl(210, 57%, 49%)
HSVhsv(210, 73%, 76%)
CMYKcmyk(72.8%, 36.9%, 0%, 23.5%)
CIE-LABlab(50.52, 2.49, -43.90)
CIE-LCHlch(50.52, 43.97, 273.25°)
OKLaboklab(57.34% -0.0412 -0.1249)
OKLCHoklch(57.34% 0.132 251.7)
XYZxyz(18.3978, 18.8609, 54.2901)
Luminance0.1886 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#357BC3 #C37D35
analogous
#35C2C3 #357BC3 #3635C3
triadic
#357BC3 #C3357B #7BC335
tetradic
#357BC3 #C335C2 #C37D35 #35C336
square
#357BC3 #C335C2 #C37D35 #35C336
split-complementary
#357BC3 #C33635 #C2C335
monochromatic
#1B3E63 #285D93 #357BC3 #619AD4 #91B9E1

Accessibility & contrast

On white

4.40
#357BC3 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.77
#357BC3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357BC3
4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##357BC3#FFFFFF#000000##000000
##357BC31.004.404.774.77
#FFFFFF4.401.0021.0021.00
#0000004.7721.001.001.00
##0000004.7721.001.001.00

Color blindness preview

Protanopia (red-blind)
#5A7FC6
Deuteranopia (green-blind)
#4572C2
Tritanopia (blue-blind)
#008C96
Achromatopsia (no color)
#787878

Design tokens & code

CSS
--color: #357bc3;
/* rgb */ color: rgb(53, 123, 195);
/* oklch */ color: oklch(57.3% 0.132 251.7);
Tailwind
colors: {
  custom: {
    50: '#7ea0d5',
    500: '#357bc3',
    950: '#000000',
  },
}
SCSS
$custom: #357bc3;
$custom-light: #7ea0d5;
$custom-dark: #000000;
JSON
{
  "hex": "#357bc3",
  "rgb": {
    "r": 53,
    "g": 123,
    "b": 195
  },
  "hsl": {
    "h": 210.423,
    "s": 57.258,
    "l": 48.627
  },
  "oklch": {
    "l": 0.57343,
    "c": 0.13157,
    "h": 251.7
  },
  "luminance": 0.18863
}

Semantic roles & 50–950 ramp

primary
#357BC3
secondary
#CCAA88
accent
#9547E1
background
#F8F9FD
surface
#EFF2FA
border
#CACCD3
text
#0B0E14
muted
#7C7E83

Preview Lab

Preview with #357BC3

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

Preview Lab → · Contrast checker → · Palette generator →

#357BC3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva