#277BA4#277BA4

#277BA4 is a mid, moderate cyan. Relative luminance 0.173; OKLCH L 55.2% C 0.101 H 234.4°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX#277BA4
RGBrgb(39, 123, 164)
HSLhsl(200, 62%, 40%)
HSVhsv(200, 76%, 64%)
CMYKcmyk(76.2%, 25%, 0%, 35.7%)
CIE-LABlab(48.61, -10.59, -29.02)
CIE-LCHlch(48.61, 30.89, 249.96°)
OKLaboklab(55.22% -0.0585 -0.0818)
OKLCHoklch(55.22% 0.101 234.4)
XYZxyz(14.6178, 17.2759, 37.6789)
Luminance0.1728 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#277BA4 #A45027
analogous
#27A48F #277BA4 #273DA4
triadic
#277BA4 #A4277B #7BA427
tetradic
#277BA4 #8F27A4 #A45027 #3DA427
square
#277BA4 #8F27A4 #A45027 #3DA427
split-complementary
#277BA4 #A4273D #A48F27
monochromatic
#0F3141 #1B5673 #277BA4 #389ED0 #6AB6DC

Accessibility & contrast

On white

4.71
#277BA4 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.46
#277BA4 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #277BA4
4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##277BA4#FFFFFF#000000##FFFFFF
##277BA41.004.714.464.71
#FFFFFF4.711.0021.001.00
#0000004.4621.001.0021.00
##FFFFFF4.711.0021.001.00

Color blindness preview

Protanopia (red-blind)
#677AA6
Deuteranopia (green-blind)
#566EA3
Tritanopia (blue-blind)
#008689
Achromatopsia (no color)
#737373

Design tokens & code

CSS
--color: #277ba4;
/* rgb */ color: rgb(39, 123, 164);
/* oklch */ color: oklch(55.2% 0.101 234.4);
Tailwind
colors: {
  custom: {
    50: '#74a1bf',
    500: '#277ba4',
    950: '#000000',
  },
}
SCSS
$custom: #277ba4;
$custom-light: #74a1bf;
$custom-dark: #000000;
JSON
{
  "hex": "#277ba4",
  "rgb": {
    "r": 39,
    "g": 123,
    "b": 164
  },
  "hsl": {
    "h": 199.68,
    "s": 61.576,
    "l": 39.804
  },
  "oklch": {
    "l": 0.55217,
    "c": 0.10056,
    "h": 234.4
  },
  "luminance": 0.17278
}

Semantic roles & 50–950 ramp

primary
#277BA4
secondary
#C28365
accent
#7843E5
background
#F7F9FB
surface
#EEF2F7
border
#C9CCD0
text
#090E12
muted
#7B7E81

Preview Lab

Preview with #277BA4

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

Preview Lab → · Contrast checker → · Palette generator →

#277BA4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva