#2B73B3#2B73B3

#2B73B3 is a mid, vivid cyan. Relative luminance 0.160; OKLCH L 54.2% C 0.123 H 249.0°. Best body text is #FFFFFF at 4.99:1 contrast (WCAG AA passes).

Color values

HEX#2B73B3
RGBrgb(43, 115, 179)
HSLhsl(208, 61%, 44%)
HSVhsv(208, 76%, 70%)
CMYKcmyk(76%, 35.8%, 0%, 29.8%)
CIE-LABlab(47.01, 0.16, -40.26)
CIE-LCHlch(47.01, 40.26, 270.22°)
OKLaboklab(54.23% -0.044 -0.1145)
OKLCHoklch(54.23% 0.123 249)
XYZxyz(15.2606, 16.0280, 44.9285)
Luminance0.1603 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2B73B3 #B36B2B
analogous
#2BB3AF #2B73B3 #2B2FB3
triadic
#2B73B3 #B32B73 #73B32B
tetradic
#2B73B3 #AF2BB3 #B36B2B #2FB32B
square
#2B73B3 #AF2BB3 #B36B2B #2FB32B
split-complementary
#2B73B3 #B32B2F #B3AF2B
monochromatic
#133450 #1F5382 #2B73B3 #4892D3 #79AFDF

Accessibility & contrast

On white

4.99
#2B73B3 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.21
#2B73B3 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B73B3
4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2B73B3#FFFFFF#000000##FFFFFF
##2B73B31.004.994.214.99
#FFFFFF4.991.0021.001.00
#0000004.2121.001.0021.00
##FFFFFF4.991.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5576B6
Deuteranopia (green-blind)
#416AB2
Tritanopia (blue-blind)
#00828A
Achromatopsia (no color)
#6F6F6F

Design tokens & code

CSS
--color: #2b73b3;
/* rgb */ color: rgb(43, 115, 179);
/* oklch */ color: oklch(54.2% 0.123 249.0);
Tailwind
colors: {
  custom: {
    50: '#779aca',
    500: '#2b73b3',
    950: '#000000',
  },
}
SCSS
$custom: #2b73b3;
$custom-light: #779aca;
$custom-dark: #000000;
JSON
{
  "hex": "#2b73b3",
  "rgb": {
    "r": 43,
    "g": 115,
    "b": 179
  },
  "hsl": {
    "h": 208.235,
    "s": 61.261,
    "l": 43.529
  },
  "oklch": {
    "l": 0.54227,
    "c": 0.12267,
    "h": 249
  },
  "luminance": 0.1603
}

Semantic roles & 50–950 ramp

primary
#2B73B3
secondary
#C79A73
accent
#8F43E4
background
#F7F9FC
surface
#EEF2F8
border
#C9CCD1
text
#0A0E13
muted
#7C7E82

Preview Lab

Preview with #2B73B3

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

Preview Lab → · Contrast checker → · Palette generator →

#2B73B3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva