#355BBE#355BBE

#355BBE is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.0% C 0.162 H 265.2°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX#355BBE
RGBrgb(53, 91, 190)
HSLhsl(223, 56%, 48%)
HSVhsv(223, 72%, 75%)
CMYKcmyk(72.1%, 52.1%, 0%, 25.5%)
CIE-LABlab(41.14, 20.85, -56.03)
CIE-LCHlch(41.14, 59.78, 290.41°)
OKLaboklab(50.01% -0.0136 -0.1611)
OKLCHoklch(50.01% 0.162 265.2)
XYZxyz(14.5003, 11.9552, 50.2486)
Luminance0.1196 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#355BBE #BE9835
analogous
#359FBE #355BBE #5435BE
triadic
#355BBE #BE355B #5BBE35
tetradic
#355BBE #BE359F #BE9835 #35BE54
square
#355BBE #BE359F #BE9835 #35BE54
split-complementary
#355BBE #BE5435 #9FBE35
monochromatic
#1A2D5E #28448E #355BBE #5E7ED2 #8EA5DF

Accessibility & contrast

On white

6.19
#355BBE on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.39
#355BBE on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355BBE
6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##355BBE#FFFFFF#000000##FFFFFF
##355BBE1.006.193.396.19
#FFFFFF6.191.0021.001.00
#0000003.3921.001.0021.00
##FFFFFF6.191.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1A68C2
Deuteranopia (green-blind)
#005BBC
Tritanopia (blue-blind)
#007384
Achromatopsia (no color)
#616161

Design tokens & code

CSS
--color: #355bbe;
/* rgb */ color: rgb(53, 91, 190);
/* oklch */ color: oklch(50.0% 0.162 265.2);
Tailwind
colors: {
  custom: {
    50: '#7e88d2',
    500: '#355bbe',
    950: '#000000',
  },
}
SCSS
$custom: #355bbe;
$custom-light: #7e88d2;
$custom-dark: #000000;
JSON
{
  "hex": "#355bbe",
  "rgb": {
    "r": 53,
    "g": 91,
    "b": 190
  },
  "hsl": {
    "h": 223.358,
    "s": 56.379,
    "l": 47.647
  },
  "oklch": {
    "l": 0.50007,
    "c": 0.16171,
    "h": 265.2
  },
  "luminance": 0.11957
}

Semantic roles & 50–950 ramp

primary
#355BBE
secondary
#CAB785
accent
#B648E0
background
#F8F8FD
surface
#EFEFFA
border
#CACAD3
text
#0B0B14
muted
#7C7C83

Preview Lab

Preview with #355BBE

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

Preview Lab → · Contrast checker → · Palette generator →

#355BBE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva