#277CA1#277CA1

#277CA1 is a mid, moderate cyan. Relative luminance 0.174; OKLCH L 55.3% C 0.097 H 231.4°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX#277CA1
RGBrgb(39, 124, 161)
HSLhsl(198, 61%, 39%)
HSVhsv(198, 76%, 63%)
CMYKcmyk(75.8%, 23%, 0%, 36.9%)
CIE-LABlab(48.78, -12.22, -27.00)
CIE-LCHlch(48.78, 29.64, 245.64°)
OKLaboklab(55.31% -0.0606 -0.0759)
OKLCHoklch(55.31% 0.097 231.4)
XYZxyz(14.4748, 17.4181, 36.3105)
Luminance0.1742 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#277CA1 #A14C27
analogous
#27A189 #277CA1 #273FA1
triadic
#277CA1 #A1277C #7CA127
tetradic
#277CA1 #8927A1 #A14C27 #3FA127
square
#277CA1 #8927A1 #A14C27 #3FA127
split-complementary
#277CA1 #A1273F #A18927
monochromatic
#0F303E #1B5670 #277CA1 #37A0CE #68B8DA

Accessibility & contrast

On white

4.68
#277CA1 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.48
#277CA1 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #277CA1
4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##277CA1#FFFFFF#000000##FFFFFF
##277CA11.004.684.484.68
#FFFFFF4.681.0021.001.00
#0000004.4821.001.0021.00
##FFFFFF4.681.0021.001.00

Color blindness preview

Protanopia (red-blind)
#697AA3
Deuteranopia (green-blind)
#596FA0
Tritanopia (blue-blind)
#008688
Achromatopsia (no color)
#747474

Design tokens & code

CSS
--color: #277ca1;
/* rgb */ color: rgb(39, 124, 161);
/* oklch */ color: oklch(55.3% 0.097 231.4);
Tailwind
colors: {
  custom: {
    50: '#73a2bd',
    500: '#277ca1',
    950: '#000000',
  },
}
SCSS
$custom: #277ca1;
$custom-light: #73a2bd;
$custom-dark: #000000;
JSON
{
  "hex": "#277ca1",
  "rgb": {
    "r": 39,
    "g": 124,
    "b": 161
  },
  "hsl": {
    "h": 198.197,
    "s": 61,
    "l": 39.216
  },
  "oklch": {
    "l": 0.55314,
    "c": 0.09714,
    "h": 231.4
  },
  "luminance": 0.1742
}

Semantic roles & 50–950 ramp

primary
#277CA1
secondary
#C08063
accent
#7444E4
background
#F7F9FB
surface
#EEF2F6
border
#C9CCD0
text
#090F12
muted
#7B7E81

Preview Lab

Preview with #277CA1

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

Preview Lab → · Contrast checker → · Palette generator →

#277CA1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva