#355FAF#355FAF

#355FAF is a mid, vivid blue. Relative luminance 0.120; OKLCH L 49.8% C 0.136 H 261.9°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX#355FAF
RGBrgb(53, 95, 175)
HSLhsl(219, 54%, 45%)
HSVhsv(219, 70%, 69%)
CMYKcmyk(69.7%, 45.7%, 0%, 31.4%)
CIE-LABlab(41.27, 12.69, -47.04)
CIE-LCHlch(41.27, 48.72, 285.10°)
OKLaboklab(49.79% -0.0192 -0.1346)
OKLCHoklch(49.79% 0.136 261.9)
XYZxyz(13.2955, 12.0351, 42.1714)
Luminance0.1204 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#355FAF #AF8535
analogous
#359CAF #355FAF #4835AF
triadic
#355FAF #AF355F #5FAF35
tetradic
#355FAF #AF359C #AF8535 #35AF48
square
#355FAF #AF359C #AF8535 #35AF48
split-complementary
#355FAF #AF4835 #9CAF35
monochromatic
#192C51 #274680 #355FAF #567ECC #85A2DA

Accessibility & contrast

On white

6.16
#355FAF on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.41
#355FAF on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355FAF
6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##355FAF#FFFFFF#000000##FFFFFF
##355FAF1.006.163.416.16
#FFFFFF6.161.0021.001.00
#0000003.4121.001.0021.00
##FFFFFF6.161.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3767B2
Deuteranopia (green-blind)
#1F5CAD
Tritanopia (blue-blind)
#00727E
Achromatopsia (no color)
#616161

Design tokens & code

CSS
--color: #355faf;
/* rgb */ color: rgb(53, 95, 175);
/* oklch */ color: oklch(49.8% 0.136 261.9);
Tailwind
colors: {
  custom: {
    50: '#7b8bc7',
    500: '#355faf',
    950: '#000000',
  },
}
SCSS
$custom: #355faf;
$custom-light: #7b8bc7;
$custom-dark: #000000;
JSON
{
  "hex": "#355faf",
  "rgb": {
    "r": 53,
    "g": 95,
    "b": 175
  },
  "hsl": {
    "h": 219.344,
    "s": 53.509,
    "l": 44.706
  },
  "oklch": {
    "l": 0.49787,
    "c": 0.13599,
    "h": 261.9
  },
  "luminance": 0.12036
}

Semantic roles & 50–950 ramp

primary
#355FAF
secondary
#C4AB7C
accent
#AB4BDD
background
#F8F8FC
surface
#EFF0F8
border
#CACBD1
text
#0A0C13
muted
#7C7D82

Preview Lab

Preview with #355FAF

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

Preview Lab → · Contrast checker → · Palette generator →

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