#3049BB#3049BB

#3049BB is a mid, vivid blue. Relative luminance 0.090; OKLCH L 46.0% C 0.181 H 268.6°. Best body text is #FFFFFF at 7.51:1 contrast (WCAG AA passes).

Color values

HEX#3049BB
RGBrgb(48, 73, 187)
HSLhsl(229, 59%, 46%)
HSVhsv(229, 74%, 73%)
CMYKcmyk(74.3%, 61%, 0%, 26.7%)
CIE-LABlab(35.95, 30.83, -62.73)
CIE-LCHlch(35.95, 69.90, 296.17°)
OKLaboklab(45.97% -0.0044 -0.1812)
OKLCHoklch(45.97% 0.181 268.6)
XYZxyz(12.5680, 8.9800, 48.0750)
Luminance0.0898 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3049BB #BBA230
analogous
#308EBB #3049BB #5C30BB
triadic
#3049BB #BB3049 #49BB30
tetradic
#3049BB #BB308E #BBA230 #30BB5C
square
#3049BB #BB308E #BBA230 #30BB5C
split-complementary
#3049BB #BB5C30 #8EBB30
monochromatic
#17235A #23368A #3049BB #556CD3 #8696E0

Accessibility & contrast

On white

7.51
#3049BB on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.80
#3049BB on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3049BB
7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3049BB#FFFFFF#000000##FFFFFF
##3049BB1.007.512.807.51
#FFFFFF7.511.0021.001.00
#0000002.8021.001.0021.00
##FFFFFF7.511.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005BBF
Deuteranopia (green-blind)
#004EB9
Tritanopia (blue-blind)
#00667B
Achromatopsia (no color)
#555555

Design tokens & code

CSS
--color: #3049bb;
/* rgb */ color: rgb(48, 73, 187);
/* oklch */ color: oklch(46.0% 0.181 268.6);
Tailwind
colors: {
  custom: {
    50: '#7c7bd0',
    500: '#3049bb',
    950: '#000000',
  },
}
SCSS
$custom: #3049bb;
$custom-light: #7c7bd0;
$custom-dark: #000000;
JSON
{
  "hex": "#3049bb",
  "rgb": {
    "r": 48,
    "g": 73,
    "b": 187
  },
  "hsl": {
    "h": 229.209,
    "s": 59.149,
    "l": 46.078
  },
  "oklch": {
    "l": 0.45971,
    "c": 0.18125,
    "h": 268.6
  },
  "luminance": 0.08981
}

Semantic roles & 50–950 ramp

primary
#3049BB
secondary
#C9BC7D
accent
#C645E2
background
#F8F7FC
surface
#EFEDF9
border
#CAC8D2
text
#0B0914
muted
#7C7B82

Preview Lab

Preview with #3049BB

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

Preview Lab → · Contrast checker → · Palette generator →

#3049BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva