#2191A8#2191A8

#2191A8 is a mid, moderate cyan. Relative luminance 0.234; OKLCH L 60.7% C 0.100 H 215.5°. Best body text is #000000 at 5.68:1 contrast (WCAG AA passes).

Color values

HEX#2191A8
RGBrgb(33, 145, 168)
HSLhsl(190, 67%, 39%)
HSVhsv(190, 80%, 66%)
CMYKcmyk(80.4%, 13.7%, 0%, 34.1%)
CIE-LABlab(55.48, -21.95, -20.73)
CIE-LCHlch(55.48, 30.19, 223.36°)
OKLaboklab(60.75% -0.0811 -0.0579)
OKLCHoklch(60.75% 0.1 215.5)
XYZxyz(17.8174, 23.3991, 40.6156)
Luminance0.2340 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2191A8 #A83821
analogous
#21A87C #2191A8 #214EA8
triadic
#2191A8 #A82191 #91A821
tetradic
#2191A8 #7C21A8 #A83821 #4EA821
square
#2191A8 #7C21A8 #A83821 #4EA821
split-complementary
#2191A8 #A8214E #A87C21
monochromatic
#0D3942 #176575 #2191A8 #30BAD6 #63CBE0

Accessibility & contrast

On white

3.70
#2191A8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.68
#2191A8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2191A8
5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2191A8#FFFFFF#000000##000000
##2191A81.003.705.685.68
#FFFFFF3.701.0021.0021.00
#0000005.6821.001.001.00
##0000005.6821.001.001.00

Color blindness preview

Protanopia (red-blind)
#818CA9
Deuteranopia (green-blind)
#6F7FA8
Tritanopia (blue-blind)
#009998
Achromatopsia (no color)
#858585

Design tokens & code

CSS
--color: #2191a8;
/* rgb */ color: rgb(33, 145, 168);
/* oklch */ color: oklch(60.7% 0.100 215.5);
Tailwind
colors: {
  custom: {
    50: '#74b1c2',
    500: '#2191a8',
    950: '#000000',
  },
}
SCSS
$custom: #2191a8;
$custom-light: #74b1c2;
$custom-dark: #000000;
JSON
{
  "hex": "#2191a8",
  "rgb": {
    "r": 33,
    "g": 145,
    "b": 168
  },
  "hsl": {
    "h": 190.222,
    "s": 67.164,
    "l": 39.412
  },
  "oklch": {
    "l": 0.60747,
    "c": 0.09968,
    "h": 215.5
  },
  "luminance": 0.23401
}

Semantic roles & 50–950 ramp

primary
#2191A8
secondary
#C5715F
accent
#5B3EEA
background
#F7FAFB
surface
#EEF5F7
border
#C9CFD0
text
#0A1012
muted
#7C7F81

Preview Lab

Preview with #2191A8

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

Preview Lab → · Contrast checker → · Palette generator →

#2191A8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva