#355ACC#355ACC

#355ACC is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.9% C 0.182 H 266.3°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX#355ACC
RGBrgb(53, 90, 204)
HSLhsl(225, 60%, 50%)
HSVhsv(225, 74%, 80%)
CMYKcmyk(74%, 55.9%, 0%, 20%)
CIE-LABlab(41.89, 26.68, -62.94)
CIE-LCHlch(41.89, 68.36, 292.97°)
OKLaboklab(50.89% -0.0117 -0.1815)
OKLCHoklch(50.89% 0.182 266.3)
XYZxyz(16.0196, 12.4271, 58.6694)
Luminance0.1243 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#355ACC #CCA735
analogous
#35A5CC #355ACC #5B35CC
triadic
#355ACC #CC355A #5ACC35
tetradic
#355ACC #CC35A5 #CCA735 #35CC5B
square
#355ACC #CC35A5 #CCA735 #35CC5B
split-complementary
#355ACC #CC5B35 #A5CC35
monochromatic
#1B2F6B #27449C #355ACC #6682D8 #97AAE5

Accessibility & contrast

On white

6.02
#355ACC on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.49
#355ACC on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355ACC
6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##355ACC#FFFFFF#000000##FFFFFF
##355ACC1.006.023.496.02
#FFFFFF6.021.0021.001.00
#0000003.4921.001.0021.00
##FFFFFF6.021.0021.001.00

Color blindness preview

Protanopia (red-blind)
#006AD0
Deuteranopia (green-blind)
#005CCA
Tritanopia (blue-blind)
#00768A
Achromatopsia (no color)
#636363

Design tokens & code

CSS
--color: #355acc;
/* rgb */ color: rgb(53, 90, 204);
/* oklch */ color: oklch(50.9% 0.182 266.3);
Tailwind
colors: {
  custom: {
    50: '#8188dc',
    500: '#355acc',
    950: '#000000',
  },
}
SCSS
$custom: #355acc;
$custom-light: #8188dc;
$custom-dark: #000000;
JSON
{
  "hex": "#355acc",
  "rgb": {
    "r": 53,
    "g": 90,
    "b": 204
  },
  "hsl": {
    "h": 225.298,
    "s": 59.684,
    "l": 50.392
  },
  "oklch": {
    "l": 0.50887,
    "c": 0.18187,
    "h": 266.3
  },
  "luminance": 0.12429
}

Semantic roles & 50–950 ramp

primary
#355ACC
secondary
#D0C08D
accent
#BC45E3
background
#F8F8FD
surface
#F0EFFB
border
#CBCAD4
text
#0C0B15
muted
#7D7C83

Preview Lab

Preview with #355ACC

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

Preview Lab → · Contrast checker → · Palette generator →

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