#2A8BBC#2A8BBC

#2A8BBC is a mid, moderate cyan. Relative luminance 0.226; OKLCH L 60.4% C 0.114 H 235.7°. Best body text is #000000 at 5.52:1 contrast (WCAG AA passes).

Color values

HEX#2A8BBC
RGBrgb(42, 139, 188)
HSLhsl(200, 63%, 45%)
HSVhsv(200, 78%, 74%)
CMYKcmyk(77.7%, 26.1%, 0%, 26.3%)
CIE-LABlab(54.64, -10.81, -33.43)
CIE-LCHlch(54.64, 35.14, 252.08°)
OKLaboklab(60.4% -0.0643 -0.0944)
OKLCHoklch(60.4% 0.114 235.7)
XYZxyz(19.2609, 22.5860, 50.9116)
Luminance0.2259 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2A8BBC #BC5B2A
analogous
#2ABCA4 #2A8BBC #2A42BC
triadic
#2A8BBC #BC2A8B #8BBC2A
tetradic
#2A8BBC #A42ABC #BC5B2A #42BC2A
square
#2A8BBC #A42ABC #BC5B2A #42BC2A
split-complementary
#2A8BBC #BC2A42 #BCA42A
monochromatic
#144158 #1F668A #2A8BBC #4CA8D7 #7EC1E2

Accessibility & contrast

On white

3.81
#2A8BBC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.52
#2A8BBC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2A8BBC
5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2A8BBC#FFFFFF#000000##000000
##2A8BBC1.003.815.525.52
#FFFFFF3.811.0021.0021.00
#0000005.5221.001.001.00
##0000005.5221.001.001.00

Color blindness preview

Protanopia (red-blind)
#738ABE
Deuteranopia (green-blind)
#607DBB
Tritanopia (blue-blind)
#00989C
Achromatopsia (no color)
#838383

Design tokens & code

CSS
--color: #2a8bbc;
/* rgb */ color: rgb(42, 139, 188);
/* oklch */ color: oklch(60.4% 0.114 235.7);
Tailwind
colors: {
  custom: {
    50: '#7aacd0',
    500: '#2a8bbc',
    950: '#000000',
  },
}
SCSS
$custom: #2a8bbc;
$custom-light: #7aacd0;
$custom-dark: #000000;
JSON
{
  "hex": "#2a8bbc",
  "rgb": {
    "r": 42,
    "g": 139,
    "b": 188
  },
  "hsl": {
    "h": 200.137,
    "s": 63.478,
    "l": 45.098
  },
  "oklch": {
    "l": 0.60399,
    "c": 0.11417,
    "h": 235.7
  },
  "luminance": 0.22588
}

Semantic roles & 50–950 ramp

primary
#2A8BBC
secondary
#CB9377
accent
#7941E7
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0B1014
muted
#7C7F82

Preview Lab

Preview with #2A8BBC

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

Preview Lab → · Contrast checker → · Palette generator →

#2A8BBC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva