#2750BB#2750BB

#2750BB is a mid, vivid blue. Relative luminance 0.098; OKLCH L 47.0% C 0.175 H 264.6°. Best body text is #FFFFFF at 7.12:1 contrast (WCAG AA passes).

Color values

HEX#2750BB
RGBrgb(39, 80, 187)
HSLhsl(223, 65%, 44%)
HSVhsv(223, 79%, 73%)
CMYKcmyk(79.1%, 57.2%, 0%, 26.7%)
CIE-LABlab(37.40, 25.26, -60.38)
CIE-LCHlch(37.40, 65.45, 292.70°)
OKLaboklab(46.95% -0.0166 -0.1744)
OKLCHoklch(46.95% 0.175 264.6)
XYZxyz(12.6718, 9.7550, 48.2191)
Luminance0.0976 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2750BB #BB9227
analogous
#279ABB #2750BB #4827BB
triadic
#2750BB #BB2750 #50BB27
tetradic
#2750BB #BB279A #BB9227 #27BB48
square
#2750BB #BB279A #BB9227 #27BB48
split-complementary
#2750BB #BB4827 #9ABB27
monochromatic
#122556 #1C3A88 #2750BB #476FD9 #7997E3

Accessibility & contrast

On white

7.12
#2750BB on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.95
#2750BB on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2750BB
7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2750BB#FFFFFF#000000##FFFFFF
##2750BB1.007.122.957.12
#FFFFFF7.121.0021.001.00
#0000002.9521.001.0021.00
##FFFFFF7.121.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005FBF
Deuteranopia (green-blind)
#0051B9
Tritanopia (blue-blind)
#006B7D
Achromatopsia (no color)
#585858

Design tokens & code

CSS
--color: #2750bb;
/* rgb */ color: rgb(39, 80, 187);
/* oklch */ color: oklch(47.0% 0.175 264.6);
Tailwind
colors: {
  custom: {
    50: '#7980d0',
    500: '#2750bb',
    950: '#000000',
  },
}
SCSS
$custom: #2750bb;
$custom-light: #7980d0;
$custom-dark: #000000;
JSON
{
  "hex": "#2750bb",
  "rgb": {
    "r": 39,
    "g": 80,
    "b": 187
  },
  "hsl": {
    "h": 223.378,
    "s": 65.487,
    "l": 44.314
  },
  "oklch": {
    "l": 0.46954,
    "c": 0.17515,
    "h": 264.6
  },
  "luminance": 0.09757
}

Semantic roles & 50–950 ramp

primary
#2750BB
secondary
#CBB373
accent
#BA3FE8
background
#F8F7FC
surface
#EFEEF9
border
#CAC9D2
text
#0B0A14
muted
#7C7C82

Preview Lab

Preview with #2750BB

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

Preview Lab → · Contrast checker → · Palette generator →

#2750BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva