#2773B0#2773B0

#2773B0 is a mid, vivid cyan. Relative luminance 0.158; OKLCH L 53.9% C 0.120 H 247.0°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX#2773B0
RGBrgb(39, 115, 176)
HSLhsl(207, 64%, 42%)
HSVhsv(207, 78%, 69%)
CMYKcmyk(77.8%, 34.7%, 0%, 31%)
CIE-LABlab(46.74, -1.45, -38.94)
CIE-LCHlch(46.74, 38.97, 267.87°)
OKLaboklab(53.94% -0.0469 -0.1107)
OKLCHoklch(53.94% 0.12 247)
XYZxyz(14.8009, 15.8256, 43.3405)
Luminance0.1583 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2773B0 #B06427
analogous
#27B0A8 #2773B0 #272FB0
triadic
#2773B0 #B02773 #73B027
tetradic
#2773B0 #A827B0 #B06427 #2FB027
square
#2773B0 #A827B0 #B06427 #2FB027
split-complementary
#2773B0 #B0272F #B0A827
monochromatic
#11324C #1C527E #2773B0 #4092D5 #72AFE0

Accessibility & contrast

On white

5.04
#2773B0 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.17
#2773B0 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2773B0
5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2773B0#FFFFFF#000000##FFFFFF
##2773B01.005.044.175.04
#FFFFFF5.041.0021.001.00
#0000004.1721.001.0021.00
##FFFFFF5.041.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5776B3
Deuteranopia (green-blind)
#4369AF
Tritanopia (blue-blind)
#008289
Achromatopsia (no color)
#6F6F6F

Design tokens & code

CSS
--color: #2773b0;
/* rgb */ color: rgb(39, 115, 176);
/* oklch */ color: oklch(53.9% 0.120 247.0);
Tailwind
colors: {
  custom: {
    50: '#769bc8',
    500: '#2773b0',
    950: '#000000',
  },
}
SCSS
$custom: #2773b0;
$custom-light: #769bc8;
$custom-dark: #000000;
JSON
{
  "hex": "#2773b0",
  "rgb": {
    "r": 39,
    "g": 115,
    "b": 176
  },
  "hsl": {
    "h": 206.715,
    "s": 63.721,
    "l": 42.157
  },
  "oklch": {
    "l": 0.53935,
    "c": 0.12026,
    "h": 247
  },
  "luminance": 0.15827
}

Semantic roles & 50–950 ramp

primary
#2773B0
secondary
#C7946C
accent
#8B41E7
background
#F7F9FC
surface
#EEF2F8
border
#C9CCD1
text
#0A0E13
muted
#7C7E82

Preview Lab

Preview with #2773B0

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

Preview Lab → · Contrast checker → · Palette generator →

#2773B0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva