#2739AE#2739AE

#2739AE is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.4% C 0.185 H 269.2°. Best body text is #FFFFFF at 9.20:1 contrast (WCAG AA passes).

Color values

HEX#2739AE
RGBrgb(39, 57, 174)
HSLhsl(232, 63%, 42%)
HSVhsv(232, 78%, 68%)
CMYKcmyk(77.6%, 67.2%, 0%, 31.8%)
CIE-LABlab(30.43, 35.42, -64.08)
CIE-LCHlch(30.43, 73.21, 298.93°)
OKLaboklab(41.45% -0.0025 -0.1855)
OKLCHoklch(41.45% 0.185 269.2)
XYZxyz(9.9372, 6.4125, 40.7502)
Luminance0.0641 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2739AE #AE9C27
analogous
#277DAE #2739AE #5927AE
triadic
#2739AE #AE2739 #39AE27
tetradic
#2739AE #AE277D #AE9C27 #27AE59
square
#2739AE #AE277D #AE9C27 #27AE59
split-complementary
#2739AE #AE5927 #7DAE27
monochromatic
#11184A #1C297C #2739AE #3E52D4 #707FDF

Accessibility & contrast

On white

9.20
#2739AE on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.28
#2739AE on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2739AE
9.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2739AE#FFFFFF#000000##FFFFFF
##2739AE1.009.202.289.20
#FFFFFF9.201.0021.001.00
#0000002.2821.001.0021.00
##FFFFFF9.201.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004EB2
Deuteranopia (green-blind)
#0041AC
Tritanopia (blue-blind)
#00596E
Achromatopsia (no color)
#484848

Design tokens & code

CSS
--color: #2739ae;
/* rgb */ color: rgb(39, 57, 174);
/* oklch */ color: oklch(41.4% 0.185 269.2);
Tailwind
colors: {
  custom: {
    50: '#786fc7',
    500: '#2739ae',
    950: '#000000',
  },
}
SCSS
$custom: #2739ae;
$custom-light: #786fc7;
$custom-dark: #000000;
JSON
{
  "hex": "#2739ae",
  "rgb": {
    "r": 39,
    "g": 57,
    "b": 174
  },
  "hsl": {
    "h": 232,
    "s": 63.38,
    "l": 41.765
  },
  "oklch": {
    "l": 0.41445,
    "c": 0.18548,
    "h": 269.2
  },
  "luminance": 0.06414
}

Semantic roles & 50–950 ramp

primary
#2739AE
secondary
#C6BA6B
accent
#D041E6
background
#F8F6FC
surface
#EFECF8
border
#CAC7D1
text
#0A0713
muted
#7C7A82

Preview Lab

Preview with #2739AE

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

Preview Lab → · Contrast checker → · Palette generator →

#2739AE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva