#2748A9#2748A9

#2748A9 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.8% C 0.161 H 265.7°. Best body text is #FFFFFF at 8.12:1 contrast (WCAG AA passes).

Color values

HEX#2748A9
RGBrgb(39, 72, 169)
HSLhsl(225, 63%, 41%)
HSVhsv(225, 77%, 66%)
CMYKcmyk(76.9%, 57.4%, 0%, 33.7%)
CIE-LABlab(33.84, 23.67, -55.52)
CIE-LCHlch(33.84, 60.36, 293.09°)
OKLaboklab(43.83% -0.012 -0.1602)
OKLCHoklch(43.83% 0.161 265.7)
XYZxyz(10.3130, 7.9295, 38.5154)
Luminance0.0793 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2748A9 #A98827
analogous
#2789A9 #2748A9 #4727A9
triadic
#2748A9 #A92748 #48A927
tetradic
#2748A9 #A92789 #A98827 #27A947
square
#2748A9 #A92789 #A98827 #27A947
split-complementary
#2748A9 #A94727 #89A927
monochromatic
#101E46 #1C3377 #2748A9 #3B62D2 #6D8ADD

Accessibility & contrast

On white

8.12
#2748A9 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.59
#2748A9 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2748A9
8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2748A9#FFFFFF#000000##FFFFFF
##2748A91.008.122.598.12
#FFFFFF8.121.0021.001.00
#0000002.5921.001.0021.00
##FFFFFF8.121.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0056AC
Deuteranopia (green-blind)
#004AA7
Tritanopia (blue-blind)
#006071
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #2748a9;
/* rgb */ color: rgb(39, 72, 169);
/* oklch */ color: oklch(43.8% 0.161 265.7);
Tailwind
colors: {
  custom: {
    50: '#757ac3',
    500: '#2748a9',
    950: '#000000',
  },
}
SCSS
$custom: #2748a9;
$custom-light: #757ac3;
$custom-dark: #000000;
JSON
{
  "hex": "#2748a9",
  "rgb": {
    "r": 39,
    "g": 72,
    "b": 169
  },
  "hsl": {
    "h": 224.769,
    "s": 62.5,
    "l": 40.784
  },
  "oklch": {
    "l": 0.43834,
    "c": 0.16067,
    "h": 265.7
  },
  "luminance": 0.07931
}

Semantic roles & 50–950 ramp

primary
#2748A9
secondary
#C4AD68
accent
#BC42E6
background
#F7F7FC
surface
#EEEDF8
border
#C9C8D1
text
#0A0913
muted
#7C7B82

Preview Lab

Preview with #2748A9

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

Preview Lab → · Contrast checker → · Palette generator →

#2748A9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva