#277F9F#277F9F

#277F9F is a mid, moderate cyan. Relative luminance 0.181; OKLCH L 56.0% C 0.094 H 226.9°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX#277F9F
RGBrgb(39, 127, 159)
HSLhsl(196, 61%, 39%)
HSVhsv(196, 75%, 62%)
CMYKcmyk(75.5%, 20.1%, 0%, 37.6%)
CIE-LABlab(49.63, -14.62, -24.52)
CIE-LCHlch(49.63, 28.54, 239.20°)
OKLaboklab(55.96% -0.0644 -0.0688)
OKLCHoklch(55.96% 0.094 226.9)
XYZxyz(14.6815, 18.1115, 35.5163)
Luminance0.1811 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#277F9F #9F4727
analogous
#279F83 #277F9F #27439F
triadic
#277F9F #9F277F #7F9F27
tetradic
#277F9F #83279F #9F4727 #439F27
square
#277F9F #83279F #9F4727 #439F27
split-complementary
#277F9F #9F2743 #9F8327
monochromatic
#0F303D #1B586E #277F9F #36A5CE #67BBDA

Accessibility & contrast

On white

4.54
#277F9F on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.62
#277F9F on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #277F9F
4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##277F9F#FFFFFF#000000##000000
##277F9F1.004.544.624.62
#FFFFFF4.541.0021.0021.00
#0000004.6221.001.001.00
##0000004.6221.001.001.00

Color blindness preview

Protanopia (red-blind)
#6E7DA1
Deuteranopia (green-blind)
#5E719F
Tritanopia (blue-blind)
#00888A
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #277f9f;
/* rgb */ color: rgb(39, 127, 159);
/* oklch */ color: oklch(56.0% 0.094 226.9);
Tailwind
colors: {
  custom: {
    50: '#73a4bb',
    500: '#277f9f',
    950: '#000000',
  },
}
SCSS
$custom: #277f9f;
$custom-light: #73a4bb;
$custom-dark: #000000;
JSON
{
  "hex": "#277f9f",
  "rgb": {
    "r": 39,
    "g": 127,
    "b": 159
  },
  "hsl": {
    "h": 196,
    "s": 60.606,
    "l": 38.824
  },
  "oklch": {
    "l": 0.55964,
    "c": 0.0942,
    "h": 226.9
  },
  "luminance": 0.18113
}

Semantic roles & 50–950 ramp

primary
#277F9F
secondary
#C07B62
accent
#6F44E4
background
#F7FAFB
surface
#EDF4F6
border
#C8CED0
text
#090F12
muted
#7B7F81

Preview Lab

Preview with #277F9F

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

Preview Lab → · Contrast checker → · Palette generator →

#277F9F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva