#2A90B3#2A90B3

#2A90B3 is a mid, moderate cyan. Relative luminance 0.237; OKLCH L 61.2% C 0.104 H 225.8°. Best body text is #000000 at 5.74:1 contrast (WCAG AA passes).

Color values

HEX#2A90B3
RGBrgb(42, 144, 179)
HSLhsl(195, 62%, 43%)
HSVhsv(195, 77%, 70%)
CMYKcmyk(76.5%, 19.6%, 0%, 29.8%)
CIE-LABlab(55.78, -16.72, -26.54)
CIE-LCHlch(55.78, 31.37, 237.80°)
OKLaboklab(61.18% -0.0723 -0.0744)
OKLCHoklch(61.18% 0.104 225.8)
XYZxyz(19.0614, 23.6911, 46.2073)
Luminance0.2369 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2A90B3 #B34D2A
analogous
#2AB391 #2A90B3 #2A4CB3
triadic
#2A90B3 #B32A90 #90B32A
tetradic
#2A90B3 #912AB3 #B34D2A #4CB32A
square
#2A90B3 #912AB3 #B34D2A #4CB32A
split-complementary
#2A90B3 #B32A4C #B3912A
monochromatic
#134050 #1E6881 #2A90B3 #46B0D4 #78C5DF

Accessibility & contrast

On white

3.66
#2A90B3 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.74
#2A90B3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2A90B3
5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2A90B3#FFFFFF#000000##000000
##2A90B31.003.665.745.74
#FFFFFF3.661.0021.0021.00
#0000005.7421.001.001.00
##0000005.7421.001.001.00

Color blindness preview

Protanopia (red-blind)
#7D8DB5
Deuteranopia (green-blind)
#6B80B3
Tritanopia (blue-blind)
#009A9B
Achromatopsia (no color)
#868686

Design tokens & code

CSS
--color: #2a90b3;
/* rgb */ color: rgb(42, 144, 179);
/* oklch */ color: oklch(61.2% 0.104 225.8);
Tailwind
colors: {
  custom: {
    50: '#78b0c9',
    500: '#2a90b3',
    950: '#000000',
  },
}
SCSS
$custom: #2a90b3;
$custom-light: #78b0c9;
$custom-dark: #000000;
JSON
{
  "hex": "#2a90b3",
  "rgb": {
    "r": 42,
    "g": 144,
    "b": 179
  },
  "hsl": {
    "h": 195.328,
    "s": 61.991,
    "l": 43.333
  },
  "oklch": {
    "l": 0.61177,
    "c": 0.10381,
    "h": 225.8
  },
  "luminance": 0.23693
}

Semantic roles & 50–950 ramp

primary
#2A90B3
secondary
#C78772
accent
#6C43E5
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0A1013
muted
#7C7F82

Preview Lab

Preview with #2A90B3

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

Preview Lab → · Contrast checker → · Palette generator →

#2A90B3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva