#279BB9#279BB9

#279BB9 is a light, moderate cyan. Relative luminance 0.274; OKLCH L 64.1% C 0.107 H 219.9°. Best body text is #000000 at 6.48:1 contrast (WCAG AA passes).

Color values

HEX#279BB9
RGBrgb(39, 155, 185)
HSLhsl(192, 65%, 44%)
HSVhsv(192, 79%, 73%)
CMYKcmyk(78.9%, 16.2%, 0%, 27.5%)
CIE-LABlab(59.32, -20.89, -24.49)
CIE-LCHlch(59.32, 32.19, 229.53°)
OKLaboklab(64.08% -0.0819 -0.0685)
OKLCHoklch(64.08% 0.107 219.9)
XYZxyz(21.3113, 27.3742, 50.0501)
Luminance0.2738 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#279BB9 #B94527
analogous
#27B98E #279BB9 #2752B9
triadic
#279BB9 #B9279B #9BB927
tetradic
#279BB9 #8E27B9 #B94527 #52B927
square
#279BB9 #8E27B9 #B94527 #52B927
split-complementary
#279BB9 #B92752 #B98E27
monochromatic
#124654 #1C7186 #279BB9 #45BAD8 #78CDE3

Accessibility & contrast

On white

3.24
#279BB9 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.48
#279BB9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #279BB9
6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##279BB9#FFFFFF#000000##000000
##279BB91.003.246.486.48
#FFFFFF3.241.0021.0021.00
#0000006.4821.001.001.00
##0000006.4821.001.001.00

Color blindness preview

Protanopia (red-blind)
#8997BB
Deuteranopia (green-blind)
#7589B9
Tritanopia (blue-blind)
#00A5A5
Achromatopsia (no color)
#8F8F8F

Design tokens & code

CSS
--color: #279bb9;
/* rgb */ color: rgb(39, 155, 185);
/* oklch */ color: oklch(64.1% 0.107 219.9);
Tailwind
colors: {
  custom: {
    50: '#79b8ce',
    500: '#279bb9',
    950: '#000000',
  },
}
SCSS
$custom: #279bb9;
$custom-light: #79b8ce;
$custom-dark: #000000;
JSON
{
  "hex": "#279bb9",
  "rgb": {
    "r": 39,
    "g": 155,
    "b": 185
  },
  "hsl": {
    "h": 192.329,
    "s": 65.179,
    "l": 43.922
  },
  "oklch": {
    "l": 0.64082,
    "c": 0.1068,
    "h": 219.9
  },
  "luminance": 0.27377
}

Semantic roles & 50–950 ramp

primary
#279BB9
secondary
#CA8472
accent
#6240E8
background
#F8FBFC
surface
#EFF6F9
border
#CAD0D2
text
#0B1113
muted
#7C8082

Preview Lab

Preview with #279BB9

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

Preview Lab → · Contrast checker → · Palette generator →

#279BB9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva