#355CBD#355CBD

#355CBD is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.1% C 0.159 H 264.8°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX#355CBD
RGBrgb(53, 92, 189)
HSLhsl(223, 56%, 47%)
HSVhsv(223, 72%, 74%)
CMYKcmyk(72%, 51.3%, 0%, 25.9%)
CIE-LABlab(41.35, 19.83, -55.12)
CIE-LCHlch(41.35, 58.58, 289.79°)
OKLaboklab(50.14% -0.0145 -0.1584)
OKLCHoklch(50.14% 0.159 264.8)
XYZxyz(14.4774, 12.0838, 49.7037)
Luminance0.1208 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#355CBD #BD9635
analogous
#35A0BD #355CBD #5235BD
triadic
#355CBD #BD355C #5CBD35
tetradic
#355CBD #BD35A0 #BD9635 #35BD52
square
#355CBD #BD35A0 #BD9635 #35BD52
split-complementary
#355CBD #BD5235 #A0BD35
monochromatic
#1A2D5D #28458D #355CBD #5D7FD2 #8DA5DF

Accessibility & contrast

On white

6.15
#355CBD on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.42
#355CBD on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355CBD
6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##355CBD#FFFFFF#000000##FFFFFF
##355CBD1.006.153.426.15
#FFFFFF6.151.0021.001.00
#0000003.4221.001.0021.00
##FFFFFF6.151.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1F68C0
Deuteranopia (green-blind)
#005CBB
Tritanopia (blue-blind)
#007383
Achromatopsia (no color)
#626262

Design tokens & code

CSS
--color: #355cbd;
/* rgb */ color: rgb(53, 92, 189);
/* oklch */ color: oklch(50.1% 0.159 264.8);
Tailwind
colors: {
  custom: {
    50: '#7e89d1',
    500: '#355cbd',
    950: '#000000',
  },
}
SCSS
$custom: #355cbd;
$custom-light: #7e89d1;
$custom-dark: #000000;
JSON
{
  "hex": "#355cbd",
  "rgb": {
    "r": 53,
    "g": 92,
    "b": 189
  },
  "hsl": {
    "h": 222.794,
    "s": 56.198,
    "l": 47.451
  },
  "oklch": {
    "l": 0.5014,
    "c": 0.15911,
    "h": 264.8
  },
  "luminance": 0.12085
}

Semantic roles & 50–950 ramp

primary
#355CBD
secondary
#CAB684
accent
#B448DF
background
#F8F8FC
surface
#EFF0F9
border
#CACBD2
text
#0B0B14
muted
#7C7C82

Preview Lab

Preview with #355CBD

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

Preview Lab → · Contrast checker → · Palette generator →

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