#2991AB#2991AB

#2991AB is a mid, moderate cyan. Relative luminance 0.237; OKLCH L 61.0% C 0.098 H 218.7°. Best body text is #000000 at 5.73:1 contrast (WCAG AA passes).

Color values

HEX#2991AB
RGBrgb(41, 145, 171)
HSLhsl(192, 61%, 42%)
HSVhsv(192, 76%, 67%)
CMYKcmyk(76%, 15.2%, 0%, 32.9%)
CIE-LABlab(55.75, -20.07, -22.02)
CIE-LCHlch(55.75, 29.80, 227.65°)
OKLaboklab(61.04% -0.0769 -0.0615)
OKLCHoklch(61.04% 0.098 218.7)
XYZxyz(18.3874, 23.6603, 42.1180)
Luminance0.2366 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2991AB #AB4329
analogous
#29AB84 #2991AB #2950AB
triadic
#2991AB #AB2991 #91AB29
tetradic
#2991AB #8429AB #AB4329 #50AB29
square
#2991AB #8429AB #AB4329 #50AB29
split-complementary
#2991AB #AB2950 #AB8429
monochromatic
#113D48 #1D677A #2991AB #40B4D1 #71C8DD

Accessibility & contrast

On white

3.66
#2991AB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.73
#2991AB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2991AB
5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2991AB#FFFFFF#000000##000000
##2991AB1.003.665.735.73
#FFFFFF3.661.0021.0021.00
#0000005.7321.001.001.00
##0000005.7321.001.001.00

Color blindness preview

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

Design tokens & code

CSS
--color: #2991ab;
/* rgb */ color: rgb(41, 145, 171);
/* oklch */ color: oklch(61.0% 0.098 218.7);
Tailwind
colors: {
  custom: {
    50: '#77b1c4',
    500: '#2991ab',
    950: '#000000',
  },
}
SCSS
$custom: #2991ab;
$custom-light: #77b1c4;
$custom-dark: #000000;
JSON
{
  "hex": "#2991ab",
  "rgb": {
    "r": 41,
    "g": 145,
    "b": 171
  },
  "hsl": {
    "h": 192,
    "s": 61.321,
    "l": 41.569
  },
  "oklch": {
    "l": 0.61041,
    "c": 0.09848,
    "h": 218.7
  },
  "luminance": 0.23662
}

Semantic roles & 50–950 ramp

primary
#2991AB
secondary
#C47D6C
accent
#6443E4
background
#F7FAFC
surface
#EEF5F8
border
#C9CFD1
text
#0A1012
muted
#7C7F81

Preview Lab

Preview with #2991AB

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

Preview Lab → · Contrast checker → · Palette generator →

#2991AB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva