#2770BC#2770BC

#2770BC is a mid, vivid cyan. Relative luminance 0.157; OKLCH L 54.0% C 0.139 H 252.7°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).

Color values

HEX#2770BC
RGBrgb(39, 112, 188)
HSLhsl(211, 66%, 45%)
HSVhsv(211, 79%, 74%)
CMYKcmyk(79.3%, 40.4%, 0%, 26.3%)
CIE-LABlab(46.51, 4.93, -46.28)
CIE-LCHlch(46.51, 46.54, 276.08°)
OKLaboklab(53.97% -0.0412 -0.1323)
OKLCHoklch(53.97% 0.139 252.7)
XYZxyz(15.7046, 15.6486, 49.7600)
Luminance0.1565 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2770BC #BC7327
analogous
#27BBBC #2770BC #2827BC
triadic
#2770BC #BC2770 #70BC27
tetradic
#2770BC #BC27BB #BC7327 #27BC28
square
#2770BC #BC27BB #BC7327 #27BC28
split-complementary
#2770BC #BC2827 #BBBC27
monochromatic
#123457 #1C5289 #2770BC #478FD9 #7AAEE3

Accessibility & contrast

On white

5.08
#2770BC on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.13
#2770BC on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2770BC
5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2770BC#FFFFFF#000000##FFFFFF
##2770BC1.005.084.135.08
#FFFFFF5.081.0021.001.00
#0000004.1321.001.0021.00
##FFFFFF5.081.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4B76BF
Deuteranopia (green-blind)
#3268BA
Tritanopia (blue-blind)
#00828D
Achromatopsia (no color)
#6E6E6E

Design tokens & code

CSS
--color: #2770bc;
/* rgb */ color: rgb(39, 112, 188);
/* oklch */ color: oklch(54.0% 0.139 252.7);
Tailwind
colors: {
  custom: {
    50: '#7898d0',
    500: '#2770bc',
    950: '#000000',
  },
}
SCSS
$custom: #2770bc;
$custom-light: #7898d0;
$custom-dark: #000000;
JSON
{
  "hex": "#2770bc",
  "rgb": {
    "r": 39,
    "g": 112,
    "b": 188
  },
  "hsl": {
    "h": 210.604,
    "s": 65.639,
    "l": 44.51
  },
  "oklch": {
    "l": 0.53965,
    "c": 0.13853,
    "h": 252.7
  },
  "luminance": 0.15651
}

Semantic roles & 50–950 ramp

primary
#2770BC
secondary
#CBA073
accent
#963FE9
background
#F8F9FC
surface
#EFF2F9
border
#CACCD2
text
#0A0D14
muted
#7C7E82

Preview Lab

Preview with #2770BC

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

Preview Lab → · Contrast checker → · Palette generator →

#2770BC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva