#355DB5#355DB5

#355DB5 is a mid, vivid blue. Relative luminance 0.119; OKLCH L 49.8% C 0.147 H 263.6°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX#355DB5
RGBrgb(53, 93, 181)
HSLhsl(221, 55%, 46%)
HSVhsv(221, 71%, 71%)
CMYKcmyk(70.7%, 48.6%, 0%, 29%)
CIE-LABlab(41.09, 16.21, -50.86)
CIE-LCHlch(41.09, 53.38, 287.68°)
OKLaboklab(49.77% -0.0164 -0.1459)
OKLCHoklch(49.77% 0.147 263.6)
XYZxyz(13.7201, 11.9204, 45.2849)
Luminance0.1192 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#355DB5 #B58D35
analogous
#359DB5 #355DB5 #4D35B5
triadic
#355DB5 #B5355D #5DB535
tetradic
#355DB5 #B5359D #B58D35 #35B54D
square
#355DB5 #B5359D #B58D35 #35B54D
split-complementary
#355DB5 #B54D35 #9DB535
monochromatic
#192C56 #274586 #355DB5 #597ECE #88A2DC

Accessibility & contrast

On white

6.20
#355DB5 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.38
#355DB5 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355DB5
6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##355DB5#FFFFFF#000000##FFFFFF
##355DB51.006.203.386.20
#FFFFFF6.201.0021.001.00
#0000003.3821.001.0021.00
##FFFFFF6.201.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2D67B8
Deuteranopia (green-blind)
#065BB3
Tritanopia (blue-blind)
#007280
Achromatopsia (no color)
#616161

Design tokens & code

CSS
--color: #355db5;
/* rgb */ color: rgb(53, 93, 181);
/* oklch */ color: oklch(49.8% 0.147 263.6);
Tailwind
colors: {
  custom: {
    50: '#7c8acc',
    500: '#355db5',
    950: '#000000',
  },
}
SCSS
$custom: #355db5;
$custom-light: #7c8acc;
$custom-dark: #000000;
JSON
{
  "hex": "#355db5",
  "rgb": {
    "r": 53,
    "g": 93,
    "b": 181
  },
  "hsl": {
    "h": 221.25,
    "s": 54.701,
    "l": 45.882
  },
  "oklch": {
    "l": 0.4977,
    "c": 0.14681,
    "h": 263.6
  },
  "luminance": 0.11922
}

Semantic roles & 50–950 ramp

primary
#355DB5
secondary
#C6B080
accent
#B04ADE
background
#F8F8FC
surface
#EFF0F9
border
#CACBD2
text
#0B0B13
muted
#7C7C82

Preview Lab

Preview with #355DB5

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

Preview Lab → · Contrast checker → · Palette generator →

#355DB5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva