#356BBE#356BBE

#356BBE is a mid, vivid blue. Relative luminance 0.150; OKLCH L 53.4% C 0.142 H 258.8°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX#356BBE
RGBrgb(53, 107, 190)
HSLhsl(216, 56%, 48%)
HSVhsv(216, 72%, 75%)
CMYKcmyk(72.1%, 43.7%, 0%, 25.5%)
CIE-LABlab(45.62, 10.58, -48.83)
CIE-LCHlch(45.62, 49.97, 282.22°)
OKLaboklab(53.43% -0.0276 -0.1397)
OKLCHoklch(53.43% 0.142 258.8)
XYZxyz(16.0168, 14.9882, 50.7541)
Luminance0.1499 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#356BBE #BE8835
analogous
#35B0BE #356BBE #4335BE
triadic
#356BBE #BE356B #6BBE35
tetradic
#356BBE #BE35B0 #BE8835 #35BE43
square
#356BBE #BE35B0 #BE8835 #35BE43
split-complementary
#356BBE #BE4335 #B0BE35
monochromatic
#1A355E #28508E #356BBE #5E8CD2 #8EAEDF

Accessibility & contrast

On white

5.25
#356BBE on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.00
#356BBE on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #356BBE
5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##356BBE#FFFFFF#000000##FFFFFF
##356BBE1.005.254.005.25
#FFFFFF5.251.0021.001.00
#0000004.0021.001.0021.00
##FFFFFF5.251.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4273C1
Deuteranopia (green-blind)
#2966BC
Tritanopia (blue-blind)
#007E8B
Achromatopsia (no color)
#6C6C6C

Design tokens & code

CSS
--color: #356bbe;
/* rgb */ color: rgb(53, 107, 190);
/* oklch */ color: oklch(53.4% 0.142 258.8);
Tailwind
colors: {
  custom: {
    50: '#7d94d2',
    500: '#356bbe',
    950: '#000000',
  },
}
SCSS
$custom: #356bbe;
$custom-light: #7d94d2;
$custom-dark: #000000;
JSON
{
  "hex": "#356bbe",
  "rgb": {
    "r": 53,
    "g": 107,
    "b": 190
  },
  "hsl": {
    "h": 216.35,
    "s": 56.379,
    "l": 47.647
  },
  "oklch": {
    "l": 0.53434,
    "c": 0.14239,
    "h": 258.8
  },
  "luminance": 0.1499
}

Semantic roles & 50–950 ramp

primary
#356BBE
secondary
#CAAF85
accent
#A448E0
background
#F8F9FC
surface
#EFF1F9
border
#CACBD2
text
#0B0D14
muted
#7C7E82

Preview Lab

Preview with #356BBE

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

Preview Lab → · Contrast checker → · Palette generator →

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