#2B81CA#2B81CA

#2B81CA is a mid, vivid cyan. Relative luminance 0.205; OKLCH L 58.8% C 0.138 H 248.5°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX#2B81CA
RGBrgb(43, 129, 202)
HSLhsl(208, 65%, 48%)
HSVhsv(208, 79%, 79%)
CMYKcmyk(78.7%, 36.1%, 0%, 20.8%)
CIE-LABlab(52.37, 0.21, -44.98)
CIE-LCHlch(52.37, 44.98, 270.27°)
OKLaboklab(58.83% -0.0504 -0.1281)
OKLCHoklch(58.83% 0.138 248.5)
XYZxyz(19.5031, 20.4760, 58.7900)
Luminance0.2048 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2B81CA #CA742B
analogous
#2BCAC3 #2B81CA #2B32CA
triadic
#2B81CA #CA2B81 #81CA2B
tetradic
#2B81CA #C32BCA #CA742B #32CA2B
square
#2B81CA #C32BCA #CA742B #32CA2B
split-complementary
#2B81CA #CA2B32 #CAC32B
monochromatic
#164165 #206198 #2B81CA #579FDB #89BBE6

Accessibility & contrast

On white

4.12
#2B81CA on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.10
#2B81CA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2B81CA
5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2B81CA#FFFFFF#000000##000000
##2B81CA1.004.125.105.10
#FFFFFF4.121.0021.0021.00
#0000005.1021.001.001.00
##0000005.1021.001.001.00

Color blindness preview

Protanopia (red-blind)
#5F85CD
Deuteranopia (green-blind)
#4776C9
Tritanopia (blue-blind)
#00939C
Achromatopsia (no color)
#7D7D7D

Design tokens & code

CSS
--color: #2b81ca;
/* rgb */ color: rgb(43, 129, 202);
/* oklch */ color: oklch(58.8% 0.138 248.5);
Tailwind
colors: {
  custom: {
    50: '#7ca5da',
    500: '#2b81ca',
    950: '#000000',
  },
}
SCSS
$custom: #2b81ca;
$custom-light: #7ca5da;
$custom-dark: #000000;
JSON
{
  "hex": "#2b81ca",
  "rgb": {
    "r": 43,
    "g": 129,
    "b": 202
  },
  "hsl": {
    "h": 207.547,
    "s": 64.898,
    "l": 48.039
  },
  "oklch": {
    "l": 0.58833,
    "c": 0.13768,
    "h": 248.5
  },
  "luminance": 0.20478
}

Semantic roles & 50–950 ramp

primary
#2B81CA
secondary
#D0A581
accent
#8D40E8
background
#F8FAFD
surface
#EFF4FB
border
#CACED4
text
#0B0F15
muted
#7C7F83

Preview Lab

Preview with #2B81CA

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

Preview Lab → · Contrast checker → · Palette generator →

#2B81CA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva