#357CB5#357CB5

#357CB5 is a mid, moderate cyan. Relative luminance 0.185; OKLCH L 56.8% C 0.113 H 246.0°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX#357CB5
RGBrgb(53, 124, 181)
HSLhsl(207, 55%, 46%)
HSVhsv(207, 71%, 71%)
CMYKcmyk(70.7%, 31.5%, 0%, 29%)
CIE-LABlab(50.10, -3.15, -36.51)
CIE-LCHlch(50.10, 36.65, 265.07°)
OKLaboklab(56.78% -0.0461 -0.1034)
OKLCHoklch(56.78% 0.113 246)
XYZxyz(17.0132, 18.5065, 46.3826)
Luminance0.1851 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#357CB5 #B56E35
analogous
#35B5AE #357CB5 #353CB5
triadic
#357CB5 #B5357C #7CB535
tetradic
#357CB5 #AE35B5 #B56E35 #3CB535
square
#357CB5 #AE35B5 #B56E35 #3CB535
split-complementary
#357CB5 #B5353C #B5AE35
monochromatic
#193B56 #275C86 #357CB5 #599ACE #88B7DC

Accessibility & contrast

On white

4.47
#357CB5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.70
#357CB5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357CB5
4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##357CB5#FFFFFF#000000##000000
##357CB51.004.474.704.70
#FFFFFF4.471.0021.0021.00
#0000004.7021.001.001.00
##0000004.7021.001.001.00

Color blindness preview

Protanopia (red-blind)
#627EB7
Deuteranopia (green-blind)
#5072B4
Tritanopia (blue-blind)
#008A90
Achromatopsia (no color)
#777777

Design tokens & code

CSS
--color: #357cb5;
/* rgb */ color: rgb(53, 124, 181);
/* oklch */ color: oklch(56.8% 0.113 246.0);
Tailwind
colors: {
  custom: {
    50: '#7ca1cb',
    500: '#357cb5',
    950: '#000000',
  },
}
SCSS
$custom: #357cb5;
$custom-light: #7ca1cb;
$custom-dark: #000000;
JSON
{
  "hex": "#357cb5",
  "rgb": {
    "r": 53,
    "g": 124,
    "b": 181
  },
  "hsl": {
    "h": 206.719,
    "s": 54.701,
    "l": 45.882
  },
  "oklch": {
    "l": 0.5678,
    "c": 0.11318,
    "h": 246
  },
  "luminance": 0.18508
}

Semantic roles & 50–950 ramp

primary
#357CB5
secondary
#C69F80
accent
#8C4ADE
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0B0F13
muted
#7C7E82

Preview Lab

Preview with #357CB5

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

Preview Lab → · Contrast checker → · Palette generator →

#357CB5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva