#2A91AB#2A91AB

#2A91AB is a mid, moderate cyan. Relative luminance 0.237; OKLCH L 61.1% C 0.098 H 218.8°. Best body text is #000000 at 5.74:1 contrast (WCAG AA passes).

Color values

HEX#2A91AB
RGBrgb(42, 145, 171)
HSLhsl(192, 61%, 42%)
HSVhsv(192, 75%, 67%)
CMYKcmyk(75.4%, 15.2%, 0%, 32.9%)
CIE-LABlab(55.77, -19.95, -21.99)
CIE-LCHlch(55.77, 29.69, 227.78°)
OKLaboklab(61.06% -0.0765 -0.0614)
OKLCHoklch(61.06% 0.098 218.8)
XYZxyz(18.4278, 23.6811, 42.1199)
Luminance0.2368 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2A91AB #AB442A
analogous
#2AAB85 #2A91AB #2A51AB
triadic
#2A91AB #AB2A91 #91AB2A
tetradic
#2A91AB #852AAB #AB442A #51AB2A
square
#2A91AB #852AAB #AB442A #51AB2A
split-complementary
#2A91AB #AB2A51 #AB852A
monochromatic
#123E49 #1E677A #2A91AB #42B4D1 #73C7DD

Accessibility & contrast

On white

3.66
#2A91AB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.74
#2A91AB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2A91AB
5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2A91AB#FFFFFF#000000##000000
##2A91AB1.003.665.745.74
#FFFFFF3.661.0021.0021.00
#0000005.7421.001.001.00
##0000005.7421.001.001.00

Color blindness preview

Protanopia (red-blind)
#818DAC
Deuteranopia (green-blind)
#6F80AB
Tritanopia (blue-blind)
#009A99
Achromatopsia (no color)
#868686

Design tokens & code

CSS
--color: #2a91ab;
/* rgb */ color: rgb(42, 145, 171);
/* oklch */ color: oklch(61.1% 0.098 218.8);
Tailwind
colors: {
  custom: {
    50: '#77b1c4',
    500: '#2a91ab',
    950: '#000000',
  },
}
SCSS
$custom: #2a91ab;
$custom-light: #77b1c4;
$custom-dark: #000000;
JSON
{
  "hex": "#2a91ab",
  "rgb": {
    "r": 42,
    "g": 145,
    "b": 171
  },
  "hsl": {
    "h": 192.093,
    "s": 60.563,
    "l": 41.765
  },
  "oklch": {
    "l": 0.61064,
    "c": 0.09809,
    "h": 218.8
  },
  "luminance": 0.23683
}

Semantic roles & 50–950 ramp

primary
#2A91AB
secondary
#C47E6D
accent
#6444E4
background
#F7FAFC
surface
#EEF5F8
border
#C9CFD1
text
#0A1012
muted
#7C7F81

Preview Lab

Preview with #2A91AB

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

Preview Lab → · Contrast checker → · Palette generator →

#2A91AB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva