#2749AF#2749AF

#2749AF is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.5% C 0.168 H 265.8°. Best body text is #FFFFFF at 7.90:1 contrast (WCAG AA passes).

Color values

HEX#2749AF
RGBrgb(39, 73, 175)
HSLhsl(225, 64%, 42%)
HSVhsv(225, 78%, 69%)
CMYKcmyk(77.7%, 58.3%, 0%, 31.4%)
CIE-LABlab(34.58, 25.31, -57.88)
CIE-LCHlch(34.58, 63.17, 293.61°)
OKLaboklab(44.54% -0.0124 -0.1671)
OKLCHoklch(44.54% 0.168 265.8)
XYZxyz(10.9544, 8.2903, 41.5720)
Luminance0.0829 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2749AF #AF8D27
analogous
#278DAF #2749AF #4927AF
triadic
#2749AF #AF2749 #49AF27
tetradic
#2749AF #AF278D #AF8D27 #27AF49
square
#2749AF #AF278D #AF8D27 #27AF49
split-complementary
#2749AF #AF4927 #8DAF27
monochromatic
#111F4B #1C347D #2749AF #3F64D4 #718DDF

Accessibility & contrast

On white

7.90
#2749AF on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.66
#2749AF on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2749AF
7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2749AF#FFFFFF#000000##FFFFFF
##2749AF1.007.902.667.90
#FFFFFF7.901.0021.001.00
#0000002.6621.001.0021.00
##FFFFFF7.901.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0058B2
Deuteranopia (green-blind)
#004BAD
Tritanopia (blue-blind)
#006375
Achromatopsia (no color)
#515151

Design tokens & code

CSS
--color: #2749af;
/* rgb */ color: rgb(39, 73, 175);
/* oklch */ color: oklch(44.5% 0.168 265.8);
Tailwind
colors: {
  custom: {
    50: '#777bc8',
    500: '#2749af',
    950: '#000000',
  },
}
SCSS
$custom: #2749af;
$custom-light: #777bc8;
$custom-dark: #000000;
JSON
{
  "hex": "#2749af",
  "rgb": {
    "r": 39,
    "g": 73,
    "b": 175
  },
  "hsl": {
    "h": 225,
    "s": 63.551,
    "l": 41.961
  },
  "oklch": {
    "l": 0.44541,
    "c": 0.1676,
    "h": 265.8
  },
  "luminance": 0.08292
}

Semantic roles & 50–950 ramp

primary
#2749AF
secondary
#C6B06B
accent
#BD41E7
background
#F7F7FC
surface
#EEEDF8
border
#C9C8D1
text
#0A0913
muted
#7C7B82

Preview Lab

Preview with #2749AF

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

Preview Lab → · Contrast checker → · Palette generator →

#2749AF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva