#2197B4#2197B4

#2197B4 is a light, moderate cyan. Relative luminance 0.258; OKLCH L 62.8% C 0.106 H 219.3°. Best body text is #000000 at 6.15:1 contrast (WCAG AA passes).

Color values

HEX#2197B4
RGBrgb(33, 151, 180)
HSLhsl(192, 69%, 42%)
HSVhsv(192, 82%, 71%)
CMYKcmyk(81.7%, 16.1%, 0%, 29.4%)
CIE-LABlab(57.80, -21.06, -24.01)
CIE-LCHlch(57.80, 31.93, 228.75°)
OKLaboklab(62.77% -0.0821 -0.0672)
OKLCHoklch(62.77% 0.106 219.3)
XYZxyz(19.9285, 25.7493, 47.0910)
Luminance0.2575 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2197B4 #B43E21
analogous
#21B488 #2197B4 #214DB4
triadic
#2197B4 #B42197 #97B421
tetradic
#2197B4 #8821B4 #B43E21 #4DB421
square
#2197B4 #8821B4 #B43E21 #4DB421
split-complementary
#2197B4 #B4214D #B48821
monochromatic
#0E404D #186C80 #2197B4 #38BADA #6BCCE4

Accessibility & contrast

On white

3.41
#2197B4 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.15
#2197B4 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2197B4
6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2197B4#FFFFFF#000000##000000
##2197B41.003.416.156.15
#FFFFFF3.411.0021.0021.00
#0000006.1521.001.001.00
##0000006.1521.001.001.00

Color blindness preview

Protanopia (red-blind)
#8593B6
Deuteranopia (green-blind)
#7285B4
Tritanopia (blue-blind)
#00A1A0
Achromatopsia (no color)
#8B8B8B

Design tokens & code

CSS
--color: #2197b4;
/* rgb */ color: rgb(33, 151, 180);
/* oklch */ color: oklch(62.8% 0.106 219.3);
Tailwind
colors: {
  custom: {
    50: '#77b5ca',
    500: '#2197b4',
    950: '#000000',
  },
}
SCSS
$custom: #2197b4;
$custom-light: #77b5ca;
$custom-dark: #000000;
JSON
{
  "hex": "#2197b4",
  "rgb": {
    "r": 33,
    "g": 151,
    "b": 180
  },
  "hsl": {
    "h": 191.837,
    "s": 69.014,
    "l": 41.765
  },
  "oklch": {
    "l": 0.62765,
    "c": 0.1061,
    "h": 219.3
  },
  "luminance": 0.25752
}

Semantic roles & 50–950 ramp

primary
#2197B4
secondary
#CA7A67
accent
#5F3CEC
background
#F7FBFC
surface
#EEF6F8
border
#C9D0D1
text
#0A1113
muted
#7C8082

Preview Lab

Preview with #2197B4

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

Preview Lab → · Contrast checker → · Palette generator →

#2197B4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva