#2755B9#2755B9

#2755B9 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.8% C 0.166 H 263.0°. Best body text is #FFFFFF at 6.80:1 contrast (WCAG AA passes).

Color values

HEX#2755B9
RGBrgb(39, 85, 185)
HSLhsl(221, 65%, 44%)
HSVhsv(221, 79%, 73%)
CMYKcmyk(78.9%, 54.1%, 0%, 27.5%)
CIE-LABlab(38.60, 21.19, -57.25)
CIE-LCHlch(38.60, 61.05, 290.31°)
OKLaboklab(47.82% -0.0202 -0.1651)
OKLCHoklch(47.82% 0.166 263)
XYZxyz(12.8390, 10.4296, 47.2260)
Luminance0.1043 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2755B9 #B98B27
analogous
#279EB9 #2755B9 #4227B9
triadic
#2755B9 #B92755 #55B927
tetradic
#2755B9 #B9279E #B98B27 #27B942
square
#2755B9 #B9279E #B98B27 #27B942
split-complementary
#2755B9 #B94227 #9EB927
monochromatic
#122754 #1C3E86 #2755B9 #4574D8 #7899E3

Accessibility & contrast

On white

6.80
#2755B9 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.09
#2755B9 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2755B9
6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2755B9#FFFFFF#000000##FFFFFF
##2755B91.006.803.096.80
#FFFFFF6.801.0021.001.00
#0000003.0921.001.0021.00
##FFFFFF6.801.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0062BD
Deuteranopia (green-blind)
#0055B7
Tritanopia (blue-blind)
#006E7E
Achromatopsia (no color)
#5B5B5B

Design tokens & code

CSS
--color: #2755b9;
/* rgb */ color: rgb(39, 85, 185);
/* oklch */ color: oklch(47.8% 0.166 263.0);
Tailwind
colors: {
  custom: {
    50: '#7884cf',
    500: '#2755b9',
    950: '#000000',
  },
}
SCSS
$custom: #2755b9;
$custom-light: #7884cf;
$custom-dark: #000000;
JSON
{
  "hex": "#2755b9",
  "rgb": {
    "r": 39,
    "g": 85,
    "b": 185
  },
  "hsl": {
    "h": 221.096,
    "s": 65.179,
    "l": 43.922
  },
  "oklch": {
    "l": 0.47815,
    "c": 0.1663,
    "h": 263
  },
  "luminance": 0.10431
}

Semantic roles & 50–950 ramp

primary
#2755B9
secondary
#CAAE72
accent
#B340E8
background
#F8F8FC
surface
#EFEFF9
border
#CACAD2
text
#0A0A14
muted
#7C7C82

Preview Lab

Preview with #2755B9

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

Preview Lab → · Contrast checker → · Palette generator →

#2755B9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva