#279AB4#279AB4

#279AB4 is a light, moderate cyan. Relative luminance 0.268; OKLCH L 63.6% C 0.104 H 217.1°. Best body text is #000000 at 6.37:1 contrast (WCAG AA passes).

Color values

HEX#279AB4
RGBrgb(39, 154, 180)
HSLhsl(191, 64%, 43%)
HSVhsv(191, 78%, 71%)
CMYKcmyk(78.3%, 14.4%, 0%, 29.4%)
CIE-LABlab(58.82, -22.04, -22.43)
CIE-LCHlch(58.82, 31.44, 225.51°)
OKLaboklab(63.62% -0.0829 -0.0627)
OKLCHoklch(63.62% 0.104 217.1)
XYZxyz(20.6270, 26.8353, 47.2638)
Luminance0.2684 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#279AB4 #B44127
analogous
#27B488 #279AB4 #2753B4
triadic
#279AB4 #B4279A #9AB427
tetradic
#279AB4 #8827B4 #B44127 #53B427
square
#279AB4 #8827B4 #B44127 #53B427
split-complementary
#279AB4 #B42753 #B48827
monochromatic
#11444F #1C6F82 #279AB4 #42BBD6 #74CDE1

Accessibility & contrast

On white

3.30
#279AB4 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.37
#279AB4 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #279AB4
6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##279AB4#FFFFFF#000000##000000
##279AB41.003.306.376.37
#FFFFFF3.301.0021.0021.00
#0000006.3721.001.001.00
##0000006.3721.001.001.00

Color blindness preview

Protanopia (red-blind)
#8995B5
Deuteranopia (green-blind)
#7688B4
Tritanopia (blue-blind)
#00A3A2
Achromatopsia (no color)
#8D8D8D

Design tokens & code

CSS
--color: #279ab4;
/* rgb */ color: rgb(39, 154, 180);
/* oklch */ color: oklch(63.6% 0.104 217.1);
Tailwind
colors: {
  custom: {
    50: '#79b8ca',
    500: '#279ab4',
    950: '#000000',
  },
}
SCSS
$custom: #279ab4;
$custom-light: #79b8ca;
$custom-dark: #000000;
JSON
{
  "hex": "#279ab4",
  "rgb": {
    "r": 39,
    "g": 154,
    "b": 180
  },
  "hsl": {
    "h": 191.064,
    "s": 64.384,
    "l": 42.941
  },
  "oklch": {
    "l": 0.63618,
    "c": 0.10395,
    "h": 217.1
  },
  "luminance": 0.26838
}

Semantic roles & 50–950 ramp

primary
#279AB4
secondary
#C87F6F
accent
#5F40E7
background
#F8FBFC
surface
#EFF6F8
border
#CAD0D1
text
#0A1113
muted
#7C8082

Preview Lab

Preview with #279AB4

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

Preview Lab → · Contrast checker → · Palette generator →

#279AB4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva