#3353B3#3353B3

#3353B3 is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.4% C 0.157 H 266.5°. Best body text is #FFFFFF at 6.93:1 contrast (WCAG AA passes).

Color values

HEX#3353B3
RGBrgb(51, 83, 179)
HSLhsl(225, 56%, 45%)
HSVhsv(225, 72%, 70%)
CMYKcmyk(71.5%, 53.6%, 0%, 29.8%)
CIE-LABlab(38.10, 21.71, -54.51)
CIE-LCHlch(38.10, 58.68, 291.71°)
OKLaboklab(47.43% -0.0096 -0.1568)
OKLCHoklch(47.43% 0.157 266.5)
XYZxyz(12.5923, 10.1437, 43.9334)
Luminance0.1014 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3353B3 #B39333
analogous
#3393B3 #3353B3 #5333B3
triadic
#3353B3 #B33353 #53B333
tetradic
#3353B3 #B33393 #B39333 #33B353
square
#3353B3 #B33393 #B39333 #33B353
split-complementary
#3353B3 #B35333 #93B333
monochromatic
#182754 #253D83 #3353B3 #5573CE #849ADC

Accessibility & contrast

On white

6.93
#3353B3 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.03
#3353B3 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3353B3
6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3353B3#FFFFFF#000000##FFFFFF
##3353B31.006.933.036.93
#FFFFFF6.931.0021.001.00
#0000003.0321.001.0021.00
##FFFFFF6.931.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0C60B6
Deuteranopia (green-blind)
#0054B1
Tritanopia (blue-blind)
#006A7B
Achromatopsia (no color)
#5A5A5A

Design tokens & code

CSS
--color: #3353b3;
/* rgb */ color: rgb(51, 83, 179);
/* oklch */ color: oklch(47.4% 0.157 266.5);
Tailwind
colors: {
  custom: {
    50: '#7b82ca',
    500: '#3353b3',
    950: '#000000',
  },
}
SCSS
$custom: #3353b3;
$custom-light: #7b82ca;
$custom-dark: #000000;
JSON
{
  "hex": "#3353b3",
  "rgb": {
    "r": 51,
    "g": 83,
    "b": 179
  },
  "hsl": {
    "h": 225,
    "s": 55.652,
    "l": 45.098
  },
  "oklch": {
    "l": 0.47428,
    "c": 0.15715,
    "h": 266.5
  },
  "luminance": 0.10145
}

Semantic roles & 50–950 ramp

primary
#3353B3
secondary
#C6B37C
accent
#B949DF
background
#F8F7FC
surface
#EFEEF8
border
#CAC9D1
text
#0B0A13
muted
#7C7C82

Preview Lab

Preview with #3353B3

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

Preview Lab → · Contrast checker → · Palette generator →

#3353B3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva