#356FCC#356FCC

#356FCC is a mid, vivid blue. Relative luminance 0.165; OKLCH L 55.2% C 0.157 H 259.5°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX#356FCC
RGBrgb(53, 111, 204)
HSLhsl(217, 60%, 50%)
HSVhsv(217, 74%, 80%)
CMYKcmyk(74%, 45.6%, 0%, 20%)
CIE-LABlab(47.60, 13.24, -53.71)
CIE-LCHlch(47.60, 55.32, 283.85°)
OKLaboklab(55.24% -0.0285 -0.154)
OKLCHoklch(55.24% 0.157 259.5)
XYZxyz(18.0478, 16.4834, 59.3455)
Luminance0.1648 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#356FCC #CC9235
analogous
#35BACC #356FCC #4735CC
triadic
#356FCC #CC356F #6FCC35
tetradic
#356FCC #CC35BA #CC9235 #35CC47
square
#356FCC #CC35BA #CC9235 #35CC47
split-complementary
#356FCC #CC4735 #BACC35
monochromatic
#1B3A6B #27549C #356FCC #6692D8 #97B5E5

Accessibility & contrast

On white

4.89
#356FCC on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.30
#356FCC on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #356FCC
4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##356FCC#FFFFFF#000000##FFFFFF
##356FCC1.004.894.304.89
#FFFFFF4.891.0021.001.00
#0000004.3021.001.0021.00
##FFFFFF4.891.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3F78D0
Deuteranopia (green-blind)
#1D6ACA
Tritanopia (blue-blind)
#008593
Achromatopsia (no color)
#717171

Design tokens & code

CSS
--color: #356fcc;
/* rgb */ color: rgb(53, 111, 204);
/* oklch */ color: oklch(55.2% 0.157 259.5);
Tailwind
colors: {
  custom: {
    50: '#8097dc',
    500: '#356fcc',
    950: '#000000',
  },
}
SCSS
$custom: #356fcc;
$custom-light: #8097dc;
$custom-dark: #000000;
JSON
{
  "hex": "#356fcc",
  "rgb": {
    "r": 53,
    "g": 111,
    "b": 204
  },
  "hsl": {
    "h": 216.954,
    "s": 59.684,
    "l": 50.392
  },
  "oklch": {
    "l": 0.5524,
    "c": 0.15659,
    "h": 259.5
  },
  "luminance": 0.16485
}

Semantic roles & 50–950 ramp

primary
#356FCC
secondary
#D0B68D
accent
#A645E3
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0D15
muted
#7D7E83

Preview Lab

Preview with #356FCC

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

Preview Lab → · Contrast checker → · Palette generator →

#356FCC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva