#2176BD#2176BD

#2176BD is a mid, vivid cyan. Relative luminance 0.170; OKLCH L 55.3% C 0.135 H 248.8°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX#2176BD
RGBrgb(33, 118, 189)
HSLhsl(207, 70%, 44%)
HSVhsv(207, 83%, 74%)
CMYKcmyk(82.5%, 37.6%, 0%, 25.9%)
CIE-LABlab(48.20, 1.00, -44.17)
CIE-LCHlch(48.20, 44.18, 271.29°)
OKLaboklab(55.27% -0.0489 -0.126)
OKLCHoklch(55.27% 0.135 248.8)
XYZxyz(16.2874, 16.9523, 50.5479)
Luminance0.1695 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2176BD #BD6821
analogous
#21BDB6 #2176BD #2128BD
triadic
#2176BD #BD2176 #76BD21
tetradic
#2176BD #B621BD #BD6821 #28BD21
square
#2176BD #B621BD #BD6821 #28BD21
split-complementary
#2176BD #BD2128 #BDB621
monochromatic
#0F3555 #185589 #2176BD #3E95DD #72B1E6

Accessibility & contrast

On white

4.78
#2176BD on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.39
#2176BD on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2176BD
4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2176BD#FFFFFF#000000##FFFFFF
##2176BD1.004.784.394.78
#FFFFFF4.781.0021.001.00
#0000004.3921.001.0021.00
##FFFFFF4.781.0021.001.00

Color blindness preview

Protanopia (red-blind)
#547AC0
Deuteranopia (green-blind)
#3C6CBC
Tritanopia (blue-blind)
#008790
Achromatopsia (no color)
#727272

Design tokens & code

CSS
--color: #2176bd;
/* rgb */ color: rgb(33, 118, 189);
/* oklch */ color: oklch(55.3% 0.135 248.8);
Tailwind
colors: {
  custom: {
    50: '#779dd1',
    500: '#2176bd',
    950: '#000000',
  },
}
SCSS
$custom: #2176bd;
$custom-light: #779dd1;
$custom-dark: #000000;
JSON
{
  "hex": "#2176bd",
  "rgb": {
    "r": 33,
    "g": 118,
    "b": 189
  },
  "hsl": {
    "h": 207.308,
    "s": 70.27,
    "l": 43.529
  },
  "oklch": {
    "l": 0.55266,
    "c": 0.1352,
    "h": 248.8
  },
  "luminance": 0.16954
}

Semantic roles & 50–950 ramp

primary
#2176BD
secondary
#CD996D
accent
#8C3BED
background
#F7F9FC
surface
#EEF2F9
border
#C9CCD2
text
#0A0E14
muted
#7C7E82

Preview Lab

Preview with #2176BD

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

Preview Lab → · Contrast checker → · Palette generator →

#2176BD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva