#2B81C0#2B81C0

#2B81C0 is a mid, vivid cyan. Relative luminance 0.200; OKLCH L 58.3% C 0.126 H 245.0°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).

Color values

HEX#2B81C0
RGBrgb(43, 129, 192)
HSLhsl(205, 63%, 46%)
HSVhsv(205, 78%, 75%)
CMYKcmyk(77.6%, 32.8%, 0%, 24.7%)
CIE-LABlab(51.86, -3.47, -40.09)
CIE-LCHlch(51.86, 40.24, 265.05°)
OKLaboklab(58.26% -0.0532 -0.1138)
OKLCHoklch(58.26% 0.126 245)
XYZxyz(18.3573, 20.0177, 52.7552)
Luminance0.2002 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2B81C0 #C06A2B
analogous
#2BC0B4 #2B81C0 #2B37C0
triadic
#2B81C0 #C02B81 #81C02B
tetradic
#2B81C0 #B42BC0 #C06A2B #37C02B
square
#2B81C0 #B42BC0 #C06A2B #37C02B
split-complementary
#2B81C0 #C02B37 #C0B42B
monochromatic
#153E5C #205F8E #2B81C0 #509FD8 #82BAE3

Accessibility & contrast

On white

4.20
#2B81C0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.00
#2B81C0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2B81C0
5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2B81C0#FFFFFF#000000##000000
##2B81C01.004.205.005.00
#FFFFFF4.201.0021.0021.00
#0000005.0021.001.001.00
##0000005.0021.001.001.00

Color blindness preview

Protanopia (red-blind)
#6483C3
Deuteranopia (green-blind)
#4F75BF
Tritanopia (blue-blind)
#009098
Achromatopsia (no color)
#7C7C7C

Design tokens & code

CSS
--color: #2b81c0;
/* rgb */ color: rgb(43, 129, 192);
/* oklch */ color: oklch(58.3% 0.126 245.0);
Tailwind
colors: {
  custom: {
    50: '#7aa5d3',
    500: '#2b81c0',
    950: '#000000',
  },
}
SCSS
$custom: #2b81c0;
$custom-light: #7aa5d3;
$custom-dark: #000000;
JSON
{
  "hex": "#2b81c0",
  "rgb": {
    "r": 43,
    "g": 129,
    "b": 192
  },
  "hsl": {
    "h": 205.369,
    "s": 63.404,
    "l": 46.078
  },
  "oklch": {
    "l": 0.5826,
    "c": 0.12564,
    "h": 245
  },
  "luminance": 0.2002
}

Semantic roles & 50–950 ramp

primary
#2B81C0
secondary
#CC9D7B
accent
#8741E6
background
#F8FAFD
surface
#EFF4FA
border
#CACED3
text
#0B0F14
muted
#7C7F83

Preview Lab

Preview with #2B81C0

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

Preview Lab → · Contrast checker → · Palette generator →

#2B81C0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva