#356CC9#356CC9

#356CC9 is a mid, vivid blue. Relative luminance 0.157; OKLCH L 54.4% C 0.156 H 260.2°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).

Color values

HEX#356CC9
RGBrgb(53, 108, 201)
HSLhsl(218, 58%, 50%)
HSVhsv(218, 74%, 79%)
CMYKcmyk(73.6%, 46.3%, 0%, 21.2%)
CIE-LABlab(46.57, 14.02, -53.64)
CIE-LCHlch(46.57, 55.44, 284.65°)
OKLaboklab(54.39% -0.0265 -0.1538)
OKLCHoklch(54.39% 0.156 260.2)
XYZxyz(17.3696, 15.6971, 57.3614)
Luminance0.1570 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#356CC9 #C99235
analogous
#35B6C9 #356CC9 #4835C9
triadic
#356CC9 #C9356C #6CC935
tetradic
#356CC9 #C935B6 #C99235 #35C948
square
#356CC9 #C935B6 #C99235 #35C948
split-complementary
#356CC9 #C94835 #B6C935
monochromatic
#1B3868 #285299 #356CC9 #658FD6 #95B2E3

Accessibility & contrast

On white

5.07
#356CC9 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.14
#356CC9 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #356CC9
5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##356CC9#FFFFFF#000000##FFFFFF
##356CC91.005.074.145.07
#FFFFFF5.071.0021.001.00
#0000004.1421.001.0021.00
##FFFFFF5.071.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3B76CC
Deuteranopia (green-blind)
#1868C7
Tritanopia (blue-blind)
#008291
Achromatopsia (no color)
#6E6E6E

Design tokens & code

CSS
--color: #356cc9;
/* rgb */ color: rgb(53, 108, 201);
/* oklch */ color: oklch(54.4% 0.156 260.2);
Tailwind
colors: {
  custom: {
    50: '#7f95da',
    500: '#356cc9',
    950: '#000000',
  },
}
SCSS
$custom: #356cc9;
$custom-light: #7f95da;
$custom-dark: #000000;
JSON
{
  "hex": "#356cc9",
  "rgb": {
    "r": 53,
    "g": 108,
    "b": 201
  },
  "hsl": {
    "h": 217.703,
    "s": 58.268,
    "l": 49.804
  },
  "oklch": {
    "l": 0.54389,
    "c": 0.15608,
    "h": 260.2
  },
  "luminance": 0.15699
}

Semantic roles & 50–950 ramp

primary
#356CC9
secondary
#CEB58B
accent
#A846E1
background
#F8F9FD
surface
#F0F1FB
border
#CBCBD4
text
#0C0D15
muted
#7D7E83

Preview Lab

Preview with #356CC9

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

Preview Lab → · Contrast checker → · Palette generator →

#356CC9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva