#2759BB#2759BB

#2759BB is a mid, vivid blue. Relative luminance 0.112; OKLCH L 48.8% C 0.164 H 262.0°. Best body text is #FFFFFF at 6.50:1 contrast (WCAG AA passes).

Color values

HEX#2759BB
RGBrgb(39, 89, 187)
HSLhsl(220, 65%, 44%)
HSVhsv(220, 79%, 73%)
CMYKcmyk(79.1%, 52.4%, 0%, 26.7%)
CIE-LABlab(39.85, 19.33, -56.40)
CIE-LCHlch(39.85, 59.62, 288.92°)
OKLaboklab(48.81% -0.0229 -0.1625)
OKLCHoklch(48.81% 0.164 262)
XYZxyz(13.3755, 11.1624, 48.4537)
Luminance0.1116 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2759BB #BB8927
analogous
#27A3BB #2759BB #3F27BB
triadic
#2759BB #BB2759 #59BB27
tetradic
#2759BB #BB27A3 #BB8927 #27BB3F
square
#2759BB #BB27A3 #BB8927 #27BB3F
split-complementary
#2759BB #BB3F27 #A3BB27
monochromatic
#122956 #1C4188 #2759BB #4778D9 #799DE3

Accessibility & contrast

On white

6.50
#2759BB on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.23
#2759BB on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2759BB
6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2759BB#FFFFFF#000000##FFFFFF
##2759BB1.006.503.236.50
#FFFFFF6.501.0021.001.00
#0000003.2321.001.0021.00
##FFFFFF6.501.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1365BE
Deuteranopia (green-blind)
#0057B9
Tritanopia (blue-blind)
#007181
Achromatopsia (no color)
#5E5E5E

Design tokens & code

CSS
--color: #2759bb;
/* rgb */ color: rgb(39, 89, 187);
/* oklch */ color: oklch(48.8% 0.164 262.0);
Tailwind
colors: {
  custom: {
    50: '#7887d0',
    500: '#2759bb',
    950: '#000000',
  },
}
SCSS
$custom: #2759bb;
$custom-light: #7887d0;
$custom-dark: #000000;
JSON
{
  "hex": "#2759bb",
  "rgb": {
    "r": 39,
    "g": 89,
    "b": 187
  },
  "hsl": {
    "h": 219.73,
    "s": 65.487,
    "l": 44.314
  },
  "oklch": {
    "l": 0.4881,
    "c": 0.16408,
    "h": 262
  },
  "luminance": 0.11164
}

Semantic roles & 50–950 ramp

primary
#2759BB
secondary
#CBAD73
accent
#AF3FE8
background
#F8F8FC
surface
#EFEFF9
border
#CACAD2
text
#0A0B14
muted
#7C7C82

Preview Lab

Preview with #2759BB

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

Preview Lab → · Contrast checker → · Palette generator →

#2759BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva