#2780AA#2780AA

#2780AA is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 56.7% C 0.104 H 233.8°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX#2780AA
RGBrgb(39, 128, 170)
HSLhsl(199, 63%, 41%)
HSVhsv(199, 77%, 67%)
CMYKcmyk(77.1%, 24.7%, 0%, 33.3%)
CIE-LABlab(50.42, -11.31, -29.69)
CIE-LCHlch(50.42, 31.77, 249.15°)
OKLaboklab(56.75% -0.0613 -0.0837)
OKLCHoklch(56.75% 0.104 233.8)
XYZxyz(15.8087, 18.7701, 40.8122)
Luminance0.1877 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2780AA #AA5127
analogous
#27AA92 #2780AA #273EAA
triadic
#2780AA #AA2780 #80AA27
tetradic
#2780AA #9227AA #AA5127 #3EAA27
square
#2780AA #9227AA #AA5127 #3EAA27
split-complementary
#2780AA #AA273E #AA9227
monochromatic
#103546 #1C5B78 #2780AA #3CA2D2 #6EBADE

Accessibility & contrast

On white

4.42
#2780AA on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.75
#2780AA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2780AA
4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2780AA#FFFFFF#000000##000000
##2780AA1.004.424.754.75
#FFFFFF4.421.0021.0021.00
#0000004.7521.001.001.00
##0000004.7521.001.001.00

Color blindness preview

Protanopia (red-blind)
#6B7FAC
Deuteranopia (green-blind)
#5A73A9
Tritanopia (blue-blind)
#008B8E
Achromatopsia (no color)
#787878

Design tokens & code

CSS
--color: #2780aa;
/* rgb */ color: rgb(39, 128, 170);
/* oklch */ color: oklch(56.7% 0.104 233.8);
Tailwind
colors: {
  custom: {
    50: '#75a4c3',
    500: '#2780aa',
    950: '#000000',
  },
}
SCSS
$custom: #2780aa;
$custom-light: #75a4c3;
$custom-dark: #000000;
JSON
{
  "hex": "#2780aa",
  "rgb": {
    "r": 39,
    "g": 128,
    "b": 170
  },
  "hsl": {
    "h": 199.237,
    "s": 62.679,
    "l": 40.98
  },
  "oklch": {
    "l": 0.56749,
    "c": 0.10371,
    "h": 233.8
  },
  "luminance": 0.18772
}

Semantic roles & 50–950 ramp

primary
#2780AA
secondary
#C48669
accent
#7742E6
background
#F7FAFC
surface
#EEF4F8
border
#C9CED1
text
#0A0F12
muted
#7C7F81

Preview Lab

Preview with #2780AA

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

Preview Lab → · Contrast checker → · Palette generator →

#2780AA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva