#2A75BB#2A75BB

#2A75BB is a mid, vivid cyan. Relative luminance 0.168; OKLCH L 55.1% C 0.131 H 250.3°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX#2A75BB
RGBrgb(42, 117, 187)
HSLhsl(209, 63%, 45%)
HSVhsv(209, 78%, 73%)
CMYKcmyk(77.5%, 37.4%, 0%, 26.7%)
CIE-LABlab(48.01, 1.80, -43.31)
CIE-LCHlch(48.01, 43.35, 272.37°)
OKLaboklab(55.14% -0.0442 -0.1234)
OKLCHoklch(55.14% 0.131 250.3)
XYZxyz(16.2824, 16.8008, 49.3888)
Luminance0.1680 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2A75BB #BB702A
analogous
#2ABBB9 #2A75BB #2A2CBB
triadic
#2A75BB #BB2A75 #75BB2A
tetradic
#2A75BB #B92ABB #BB702A #2CBB2A
square
#2A75BB #B92ABB #BB702A #2CBB2A
split-complementary
#2A75BB #BB2A2C #BBB92A
monochromatic
#143657 #1F5689 #2A75BB #4C93D7 #7DB1E2

Accessibility & contrast

On white

4.82
#2A75BB on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.36
#2A75BB on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A75BB
4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2A75BB#FFFFFF#000000##FFFFFF
##2A75BB1.004.824.364.82
#FFFFFF4.821.0021.001.00
#0000004.3621.001.0021.00
##FFFFFF4.821.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5479BE
Deuteranopia (green-blind)
#3E6CBA
Tritanopia (blue-blind)
#00868F
Achromatopsia (no color)
#727272

Design tokens & code

CSS
--color: #2a75bb;
/* rgb */ color: rgb(42, 117, 187);
/* oklch */ color: oklch(55.1% 0.131 250.3);
Tailwind
colors: {
  custom: {
    50: '#799cd0',
    500: '#2a75bb',
    950: '#000000',
  },
}
SCSS
$custom: #2a75bb;
$custom-light: #799cd0;
$custom-dark: #000000;
JSON
{
  "hex": "#2a75bb",
  "rgb": {
    "r": 42,
    "g": 117,
    "b": 187
  },
  "hsl": {
    "h": 208.966,
    "s": 63.319,
    "l": 44.902
  },
  "oklch": {
    "l": 0.55141,
    "c": 0.13112,
    "h": 250.3
  },
  "luminance": 0.16803
}

Semantic roles & 50–950 ramp

primary
#2A75BB
secondary
#CA9F76
accent
#9141E6
background
#F8F9FC
surface
#EFF2F9
border
#CACCD2
text
#0A0E14
muted
#7C7E82

Preview Lab

Preview with #2A75BB

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

Preview Lab → · Contrast checker → · Palette generator →

#2A75BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva