#227BBC#227BBC

#227BBC is a mid, vivid cyan. Relative luminance 0.181; OKLCH L 56.4% C 0.129 H 245.7°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX#227BBC
RGBrgb(34, 123, 188)
HSLhsl(205, 69%, 44%)
HSVhsv(205, 82%, 74%)
CMYKcmyk(81.9%, 34.6%, 0%, 26.3%)
CIE-LABlab(49.66, -2.32, -41.28)
CIE-LCHlch(49.66, 41.35, 266.78°)
OKLaboklab(56.4% -0.0531 -0.1175)
OKLCHoklch(56.4% 0.129 245.7)
XYZxyz(16.8162, 18.1348, 50.1813)
Luminance0.1814 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#227BBC #BC6322
analogous
#22BCB0 #227BBC #222EBC
triadic
#227BBC #BC227B #7BBC22
tetradic
#227BBC #B022BC #BC6322 #2EBC22
square
#227BBC #B022BC #BC6322 #2EBC22
split-complementary
#227BBC #BC222E #BCB022
monochromatic
#0F3754 #195988 #227BBC #3F9ADC #73B5E6

Accessibility & contrast

On white

4.54
#227BBC on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.63
#227BBC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #227BBC
4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##227BBC#FFFFFF#000000##000000
##227BBC1.004.544.634.63
#FFFFFF4.541.0021.0021.00
#0000004.6321.001.001.00
##0000004.6321.001.001.00

Color blindness preview

Protanopia (red-blind)
#5C7EBF
Deuteranopia (green-blind)
#4670BB
Tritanopia (blue-blind)
#008B93
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #227bbc;
/* rgb */ color: rgb(34, 123, 188);
/* oklch */ color: oklch(56.4% 0.129 245.7);
Tailwind
colors: {
  custom: {
    50: '#77a0d0',
    500: '#227bbc',
    950: '#000000',
  },
}
SCSS
$custom: #227bbc;
$custom-light: #77a0d0;
$custom-dark: #000000;
JSON
{
  "hex": "#227bbc",
  "rgb": {
    "r": 34,
    "g": 123,
    "b": 188
  },
  "hsl": {
    "h": 205.325,
    "s": 69.369,
    "l": 43.529
  },
  "oklch": {
    "l": 0.56402,
    "c": 0.12891,
    "h": 245.7
  },
  "luminance": 0.18137
}

Semantic roles & 50–950 ramp

primary
#227BBC
secondary
#CD956D
accent
#863CEC
background
#F7F9FC
surface
#EEF2F9
border
#C9CCD2
text
#0A0E14
muted
#7C7E82

Preview Lab

Preview with #227BBC

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

Preview Lab → · Contrast checker → · Palette generator →

#227BBC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva