#357CBA#357CBA

#357CBA is a mid, moderate cyan. Relative luminance 0.187; OKLCH L 57.1% C 0.119 H 248.0°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX#357CBA
RGBrgb(53, 124, 186)
HSLhsl(208, 56%, 47%)
HSVhsv(208, 72%, 73%)
CMYKcmyk(71.5%, 33.3%, 0%, 27.1%)
CIE-LABlab(50.35, -1.36, -39.00)
CIE-LCHlch(50.35, 39.03, 268.00°)
OKLaboklab(57.06% -0.0446 -0.1106)
OKLCHoklch(57.06% 0.119 248)
XYZxyz(17.5354, 18.7154, 49.1331)
Luminance0.1872 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#357CBA #BA7335
analogous
#35BAB6 #357CBA #3539BA
triadic
#357CBA #BA357C #7CBA35
tetradic
#357CBA #B635BA #BA7335 #39BA35
square
#357CBA #B635BA #BA7335 #39BA35
split-complementary
#357CBA #BA3539 #BAB635
monochromatic
#1A3C5B #275C8A #357CBA #5C9AD0 #8BB7DE

Accessibility & contrast

On white

4.43
#357CBA on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.74
#357CBA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357CBA
4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##357CBA#FFFFFF#000000##000000
##357CBA1.004.434.744.74
#FFFFFF4.431.0021.0021.00
#0000004.7421.001.001.00
##0000004.7421.001.001.00

Color blindness preview

Protanopia (red-blind)
#607FBD
Deuteranopia (green-blind)
#4D72B9
Tritanopia (blue-blind)
#008B92
Achromatopsia (no color)
#787878

Design tokens & code

CSS
--color: #357cba;
/* rgb */ color: rgb(53, 124, 186);
/* oklch */ color: oklch(57.1% 0.119 248.0);
Tailwind
colors: {
  custom: {
    50: '#7ca1cf',
    500: '#357cba',
    950: '#000000',
  },
}
SCSS
$custom: #357cba;
$custom-light: #7ca1cf;
$custom-dark: #000000;
JSON
{
  "hex": "#357cba",
  "rgb": {
    "r": 53,
    "g": 124,
    "b": 186
  },
  "hsl": {
    "h": 207.97,
    "s": 55.649,
    "l": 46.863
  },
  "oklch": {
    "l": 0.57056,
    "c": 0.11929,
    "h": 248
  },
  "luminance": 0.18717
}

Semantic roles & 50–950 ramp

primary
#357CBA
secondary
#C8A382
accent
#8F49DF
background
#F8F9FC
surface
#EFF2F9
border
#CACCD2
text
#0B0E14
muted
#7C7E82

Preview Lab

Preview with #357CBA

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

Preview Lab → · Contrast checker → · Palette generator →

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