#2B90AB#2B90AB

#2B90AB is a mid, moderate cyan. Relative luminance 0.234; OKLCH L 60.8% C 0.098 H 219.9°. Best body text is #000000 at 5.68:1 contrast (WCAG AA passes).

Color values

HEX#2B90AB
RGBrgb(43, 144, 171)
HSLhsl(193, 60%, 42%)
HSVhsv(193, 75%, 67%)
CMYKcmyk(74.9%, 15.8%, 0%, 32.9%)
CIE-LABlab(55.48, -19.30, -22.43)
CIE-LCHlch(55.48, 29.59, 229.29°)
OKLaboklab(60.84% -0.075 -0.0627)
OKLCHoklch(60.84% 0.098 219.9)
XYZxyz(18.3171, 23.3982, 42.0711)
Luminance0.2340 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2B90AB #AB462B
analogous
#2BAB86 #2B90AB #2B50AB
triadic
#2B90AB #AB2B90 #90AB2B
tetradic
#2B90AB #862BAB #AB462B #50AB2B
square
#2B90AB #862BAB #AB462B #50AB2B
split-complementary
#2B90AB #AB2B50 #AB862B
monochromatic
#123E49 #1F677A #2B90AB #43B2D0 #74C6DC

Accessibility & contrast

On white

3.70
#2B90AB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.68
#2B90AB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2B90AB
5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2B90AB#FFFFFF#000000##000000
##2B90AB1.003.705.685.68
#FFFFFF3.701.0021.0021.00
#0000005.6821.001.001.00
##0000005.6821.001.001.00

Color blindness preview

Protanopia (red-blind)
#7F8CAC
Deuteranopia (green-blind)
#6E7FAB
Tritanopia (blue-blind)
#009999
Achromatopsia (no color)
#858585

Design tokens & code

CSS
--color: #2b90ab;
/* rgb */ color: rgb(43, 144, 171);
/* oklch */ color: oklch(60.8% 0.098 219.9);
Tailwind
colors: {
  custom: {
    50: '#78b0c4',
    500: '#2b90ab',
    950: '#000000',
  },
}
SCSS
$custom: #2b90ab;
$custom-light: #78b0c4;
$custom-dark: #000000;
JSON
{
  "hex": "#2b90ab",
  "rgb": {
    "r": 43,
    "g": 144,
    "b": 171
  },
  "hsl": {
    "h": 192.656,
    "s": 59.813,
    "l": 41.961
  },
  "oklch": {
    "l": 0.6084,
    "c": 0.09777,
    "h": 219.9
  },
  "luminance": 0.234
}

Semantic roles & 50–950 ramp

primary
#2B90AB
secondary
#C4806E
accent
#6645E3
background
#F7FAFC
surface
#EEF5F8
border
#C9CFD1
text
#0A1012
muted
#7C7F81

Preview Lab

Preview with #2B90AB

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

Preview Lab → · Contrast checker → · Palette generator →

#2B90AB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva