#3A73B7#3A73B7

#3A73B7 is a mid, vivid cyan. Relative luminance 0.166; OKLCH L 55.0% C 0.122 H 254.3°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX#3A73B7
RGBrgb(58, 115, 183)
HSLhsl(213, 52%, 47%)
HSVhsv(213, 68%, 72%)
CMYKcmyk(68.3%, 37.2%, 0%, 28.2%)
CIE-LABlab(47.72, 3.80, -41.42)
CIE-LCHlch(47.72, 41.59, 275.24°)
OKLaboklab(55% -0.0331 -0.1177)
OKLCHoklch(55% 0.122 254.3)
XYZxyz(16.4198, 16.5782, 47.1251)
Luminance0.1658 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3A73B7 #B77E3A
analogous
#3AB2B7 #3A73B7 #403AB7
triadic
#3A73B7 #B73A73 #73B73A
tetradic
#3A73B7 #B73AB2 #B77E3A #3AB740
square
#3A73B7 #B73AB2 #B77E3A #3AB740
split-complementary
#3A73B7 #B7403A #B2B73A
monochromatic
#1D395A #2B5689 #3A73B7 #6192CD #90B2DC

Accessibility & contrast

On white

4.87
#3A73B7 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.32
#3A73B7 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A73B7
4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3A73B7#FFFFFF#000000##FFFFFF
##3A73B71.004.874.324.87
#FFFFFF4.871.0021.001.00
#0000004.3221.001.0021.00
##FFFFFF4.871.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5578BA
Deuteranopia (green-blind)
#426CB6
Tritanopia (blue-blind)
#00838C
Achromatopsia (no color)
#717171

Design tokens & code

CSS
--color: #3a73b7;
/* rgb */ color: rgb(58, 115, 183);
/* oklch */ color: oklch(55.0% 0.122 254.3);
Tailwind
colors: {
  custom: {
    50: '#7e9acd',
    500: '#3a73b7',
    950: '#000000',
  },
}
SCSS
$custom: #3a73b7;
$custom-light: #7e9acd;
$custom-dark: #000000;
JSON
{
  "hex": "#3a73b7",
  "rgb": {
    "r": 58,
    "g": 115,
    "b": 183
  },
  "hsl": {
    "h": 212.64,
    "s": 51.867,
    "l": 47.255
  },
  "oklch": {
    "l": 0.54995,
    "c": 0.12231,
    "h": 254.3
  },
  "luminance": 0.1658
}

Semantic roles & 50–950 ramp

primary
#3A73B7
secondary
#C7A986
accent
#9A4CDB
background
#F8F9FC
surface
#EFF2F9
border
#CACCD2
text
#0B0E13
muted
#7C7E82

Preview Lab

Preview with #3A73B7

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

Preview Lab → · Contrast checker → · Palette generator →

#3A73B7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva