#2D73B3#2D73B3

#2D73B3 is a mid, vivid cyan. Relative luminance 0.161; OKLCH L 54.3% C 0.122 H 249.5°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX#2D73B3
RGBrgb(45, 115, 179)
HSLhsl(209, 60%, 44%)
HSVhsv(209, 75%, 70%)
CMYKcmyk(74.9%, 35.8%, 0%, 29.8%)
CIE-LABlab(47.07, 0.42, -40.16)
CIE-LCHlch(47.07, 40.16, 270.59°)
OKLaboklab(54.29% -0.0428 -0.1142)
OKLCHoklch(54.29% 0.122 249.5)
XYZxyz(15.3465, 16.0723, 44.9325)
Luminance0.1607 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2D73B3 #B36D2D
analogous
#2DB3B0 #2D73B3 #2D30B3
triadic
#2D73B3 #B32D73 #73B32D
tetradic
#2D73B3 #B02DB3 #B36D2D #30B32D
square
#2D73B3 #B02DB3 #B36D2D #30B32D
split-complementary
#2D73B3 #B32D30 #B3B02D
monochromatic
#143451 #215482 #2D73B3 #4B92D2 #7CAFDE

Accessibility & contrast

On white

4.98
#2D73B3 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.21
#2D73B3 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2D73B3
4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2D73B3#FFFFFF#000000##FFFFFF
##2D73B31.004.984.214.98
#FFFFFF4.981.0021.001.00
#0000004.2121.001.0021.00
##FFFFFF4.981.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5676B6
Deuteranopia (green-blind)
#426AB2
Tritanopia (blue-blind)
#00828A
Achromatopsia (no color)
#707070

Design tokens & code

CSS
--color: #2d73b3;
/* rgb */ color: rgb(45, 115, 179);
/* oklch */ color: oklch(54.3% 0.122 249.5);
Tailwind
colors: {
  custom: {
    50: '#789aca',
    500: '#2d73b3',
    950: '#000000',
  },
}
SCSS
$custom: #2d73b3;
$custom-light: #789aca;
$custom-dark: #000000;
JSON
{
  "hex": "#2d73b3",
  "rgb": {
    "r": 45,
    "g": 115,
    "b": 179
  },
  "hsl": {
    "h": 208.657,
    "s": 59.821,
    "l": 43.922
  },
  "oklch": {
    "l": 0.54289,
    "c": 0.12198,
    "h": 249.5
  },
  "luminance": 0.16074
}

Semantic roles & 50–950 ramp

primary
#2D73B3
secondary
#C79C75
accent
#9045E3
background
#F7F9FC
surface
#EEF2F8
border
#C9CCD1
text
#0A0E13
muted
#7C7E82

Preview Lab

Preview with #2D73B3

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

Preview Lab → · Contrast checker → · Palette generator →

#2D73B3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva