#278DAC#278DAC

#278DAC is a mid, moderate cyan. Relative luminance 0.225; OKLCH L 60.0% C 0.100 H 223.1°. Best body text is #000000 at 5.49:1 contrast (WCAG AA passes).

Color values

HEX#278DAC
RGBrgb(39, 141, 172)
HSLhsl(194, 63%, 41%)
HSVhsv(194, 77%, 67%)
CMYKcmyk(77.3%, 18%, 0%, 32.5%)
CIE-LABlab(54.51, -17.83, -24.50)
CIE-LCHlch(54.51, 30.30, 233.96°)
OKLaboklab(60.05% -0.0733 -0.0686)
OKLCHoklch(60.05% 0.1 223.1)
XYZxyz(17.8049, 22.4575, 42.4181)
Luminance0.2246 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#278DAC #AC4627
analogous
#27AC89 #278DAC #274BAC
triadic
#278DAC #AC278D #8DAC27
tetradic
#278DAC #8927AC #AC4627 #4BAC27
square
#278DAC #8927AC #AC4627 #4BAC27
split-complementary
#278DAC #AC274B #AC8927
monochromatic
#103B48 #1C647A #278DAC #3DB0D3 #6FC4DE

Accessibility & contrast

On white

3.82
#278DAC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.49
#278DAC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278DAC
5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##278DAC#FFFFFF#000000##000000
##278DAC1.003.825.495.49
#FFFFFF3.821.0021.0021.00
#0000005.4921.001.001.00
##0000005.4921.001.001.00

Color blindness preview

Protanopia (red-blind)
#7B8AAE
Deuteranopia (green-blind)
#697DAC
Tritanopia (blue-blind)
#009797
Achromatopsia (no color)
#828282

Design tokens & code

CSS
--color: #278dac;
/* rgb */ color: rgb(39, 141, 172);
/* oklch */ color: oklch(60.0% 0.100 223.1);
Tailwind
colors: {
  custom: {
    50: '#76aec4',
    500: '#278dac',
    950: '#000000',
  },
}
SCSS
$custom: #278dac;
$custom-light: #76aec4;
$custom-dark: #000000;
JSON
{
  "hex": "#278dac",
  "rgb": {
    "r": 39,
    "g": 141,
    "b": 172
  },
  "hsl": {
    "h": 193.985,
    "s": 63.033,
    "l": 41.373
  },
  "oklch": {
    "l": 0.60049,
    "c": 0.10046,
    "h": 223.1
  },
  "luminance": 0.2246
}

Semantic roles & 50–950 ramp

primary
#278DAC
secondary
#C57F6A
accent
#6842E6
background
#F7FAFC
surface
#EEF4F8
border
#C9CED1
text
#0A1012
muted
#7C7F81

Preview Lab

Preview with #278DAC

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

Preview Lab → · Contrast checker → · Palette generator →

#278DAC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva