#2A75B8#2A75B8

#2A75B8 is a mid, vivid cyan. Relative luminance 0.167; OKLCH L 55.0% C 0.127 H 249.3°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX#2A75B8
RGBrgb(42, 117, 184)
HSLhsl(208, 63%, 44%)
HSVhsv(208, 77%, 72%)
CMYKcmyk(77.2%, 36.4%, 0%, 27.8%)
CIE-LABlab(47.85, 0.67, -41.83)
CIE-LCHlch(47.85, 41.84, 270.92°)
OKLaboklab(54.96% -0.045 -0.1191)
OKLCHoklch(54.96% 0.127 249.3)
XYZxyz(15.9646, 16.6736, 47.7150)
Luminance0.1668 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2A75B8 #B86D2A
analogous
#2AB8B4 #2A75B8 #2A2EB8
triadic
#2A75B8 #B82A75 #75B82A
tetradic
#2A75B8 #B42AB8 #B86D2A #2EB82A
square
#2A75B8 #B42AB8 #B86D2A #2EB82A
split-complementary
#2A75B8 #B82A2E #B8B42A
monochromatic
#133654 #1F5586 #2A75B8 #4A94D6 #7BB1E1

Accessibility & contrast

On white

4.84
#2A75B8 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.34
#2A75B8 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A75B8
4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2A75B8#FFFFFF#000000##FFFFFF
##2A75B81.004.844.344.84
#FFFFFF4.841.0021.001.00
#0000004.3421.001.0021.00
##FFFFFF4.841.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5679BB
Deuteranopia (green-blind)
#416CB7
Tritanopia (blue-blind)
#00858E
Achromatopsia (no color)
#727272

Design tokens & code

CSS
--color: #2a75b8;
/* rgb */ color: rgb(42, 117, 184);
/* oklch */ color: oklch(55.0% 0.127 249.3);
Tailwind
colors: {
  custom: {
    50: '#789ccd',
    500: '#2a75b8',
    950: '#000000',
  },
}
SCSS
$custom: #2a75b8;
$custom-light: #789ccd;
$custom-dark: #000000;
JSON
{
  "hex": "#2a75b8",
  "rgb": {
    "r": 42,
    "g": 117,
    "b": 184
  },
  "hsl": {
    "h": 208.31,
    "s": 62.832,
    "l": 44.314
  },
  "oklch": {
    "l": 0.54961,
    "c": 0.12734,
    "h": 249.3
  },
  "luminance": 0.16676
}

Semantic roles & 50–950 ramp

primary
#2A75B8
secondary
#C99D75
accent
#8F42E6
background
#F7F9FC
surface
#EEF2F9
border
#C9CCD2
text
#0A0E13
muted
#7C7E82

Preview Lab

Preview with #2A75B8

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

Preview Lab → · Contrast checker → · Palette generator →

#2A75B8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva