#3355AF#3355AF

#3355AF is a mid, vivid blue. Relative luminance 0.103; OKLCH L 47.5% C 0.149 H 265.5°. Best body text is #FFFFFF at 6.86:1 contrast (WCAG AA passes).

Color values

HEX#3355AF
RGBrgb(51, 85, 175)
HSLhsl(224, 55%, 44%)
HSVhsv(224, 71%, 69%)
CMYKcmyk(70.9%, 51.4%, 0%, 31.4%)
CIE-LABlab(38.37, 18.90, -51.72)
CIE-LCHlch(38.37, 55.07, 290.08°)
OKLaboklab(47.54% -0.0117 -0.1486)
OKLCHoklch(47.54% 0.149 265.5)
XYZxyz(12.3489, 10.2947, 41.8854)
Luminance0.1030 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3355AF #AF8D33
analogous
#3393AF #3355AF #4F33AF
triadic
#3355AF #AF3355 #55AF33
tetradic
#3355AF #AF3393 #AF8D33 #33AF4F
square
#3355AF #AF3393 #AF8D33 #33AF4F
split-complementary
#3355AF #AF4F33 #93AF33
monochromatic
#172750 #253E80 #3355AF #5274CD #829ADB

Accessibility & contrast

On white

6.86
#3355AF on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.06
#3355AF on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3355AF
6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3355AF#FFFFFF#000000##FFFFFF
##3355AF1.006.863.066.86
#FFFFFF6.861.0021.001.00
#0000003.0621.001.0021.00
##FFFFFF6.861.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1E60B2
Deuteranopia (green-blind)
#0055AD
Tritanopia (blue-blind)
#006A7A
Achromatopsia (no color)
#5A5A5A

Design tokens & code

CSS
--color: #3355af;
/* rgb */ color: rgb(51, 85, 175);
/* oklch */ color: oklch(47.5% 0.149 265.5);
Tailwind
colors: {
  custom: {
    50: '#7a84c7',
    500: '#3355af',
    950: '#000000',
  },
}
SCSS
$custom: #3355af;
$custom-light: #7a84c7;
$custom-dark: #000000;
JSON
{
  "hex": "#3355af",
  "rgb": {
    "r": 51,
    "g": 85,
    "b": 175
  },
  "hsl": {
    "h": 223.548,
    "s": 54.867,
    "l": 44.314
  },
  "oklch": {
    "l": 0.47541,
    "c": 0.14906,
    "h": 265.5
  },
  "luminance": 0.10296
}

Semantic roles & 50–950 ramp

primary
#3355AF
secondary
#C4B07A
accent
#B54ADE
background
#F8F8FC
surface
#EFEFF8
border
#CACAD1
text
#0A0A13
muted
#7C7C82

Preview Lab

Preview with #3355AF

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

Preview Lab → · Contrast checker → · Palette generator →

#3355AF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva