#3349B9#3349B9

#3349B9 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.9% C 0.178 H 269.5°. Best body text is #FFFFFF at 7.52:1 contrast (WCAG AA passes).

Color values

HEX#3349B9
RGBrgb(51, 73, 185)
HSLhsl(230, 57%, 46%)
HSVhsv(230, 72%, 73%)
CMYKcmyk(72.4%, 60.5%, 0%, 27.5%)
CIE-LABlab(35.93, 30.46, -61.58)
CIE-LCHlch(35.93, 68.70, 296.32°)
OKLaboklab(45.95% -0.0016 -0.1778)
OKLCHoklch(45.95% 0.178 269.5)
XYZxyz(12.5017, 8.9704, 46.9621)
Luminance0.0897 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3349B9 #B9A333
analogous
#338CB9 #3349B9 #6033B9
triadic
#3349B9 #B93349 #49B933
tetradic
#3349B9 #B9338C #B9A333 #33B960
square
#3349B9 #B9338C #B9A333 #33B960
split-complementary
#3349B9 #B96033 #8CB933
monochromatic
#192359 #263689 #3349B9 #586CD1 #8896DE

Accessibility & contrast

On white

7.52
#3349B9 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.79
#3349B9 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3349B9
7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3349B9#FFFFFF#000000##FFFFFF
##3349B91.007.522.797.52
#FFFFFF7.521.0021.001.00
#0000002.7921.001.0021.00
##FFFFFF7.521.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005BBD
Deuteranopia (green-blind)
#004EB7
Tritanopia (blue-blind)
#00657A
Achromatopsia (no color)
#545454

Design tokens & code

CSS
--color: #3349b9;
/* rgb */ color: rgb(51, 73, 185);
/* oklch */ color: oklch(45.9% 0.178 269.5);
Tailwind
colors: {
  custom: {
    50: '#7d7bcf',
    500: '#3349b9',
    950: '#000000',
  },
}
SCSS
$custom: #3349b9;
$custom-light: #7d7bcf;
$custom-dark: #000000;
JSON
{
  "hex": "#3349b9",
  "rgb": {
    "r": 51,
    "g": 73,
    "b": 185
  },
  "hsl": {
    "h": 230.149,
    "s": 56.78,
    "l": 46.275
  },
  "oklch": {
    "l": 0.45946,
    "c": 0.17777,
    "h": 269.5
  },
  "luminance": 0.08972
}

Semantic roles & 50–950 ramp

primary
#3349B9
secondary
#C8BC80
accent
#C748E0
background
#F8F7FC
surface
#EFEDF9
border
#CAC8D2
text
#0B0914
muted
#7C7B82

Preview Lab

Preview with #3349B9

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

Preview Lab → · Contrast checker → · Palette generator →

#3349B9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva