#3073B3#3073B3

#3073B3 is a mid, vivid cyan. Relative luminance 0.161; OKLCH L 54.4% C 0.121 H 250.2°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).

Color values

HEX#3073B3
RGBrgb(48, 115, 179)
HSLhsl(209, 58%, 45%)
HSVhsv(209, 73%, 70%)
CMYKcmyk(73.2%, 35.8%, 0%, 29.8%)
CIE-LABlab(47.16, 0.83, -40.01)
CIE-LCHlch(47.16, 40.02, 271.18°)
OKLaboklab(54.39% -0.041 -0.1137)
OKLCHoklch(54.39% 0.121 250.2)
XYZxyz(15.4833, 16.1428, 44.9389)
Luminance0.1615 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3073B3 #B37030
analogous
#30B3B2 #3073B3 #3032B3
triadic
#3073B3 #B33073 #73B330
tetradic
#3073B3 #B230B3 #B37030 #32B330
square
#3073B3 #B230B3 #B37030 #32B330
split-complementary
#3073B3 #B33032 #B3B230
monochromatic
#163552 #235483 #3073B3 #5092D0 #80B0DD

Accessibility & contrast

On white

4.97
#3073B3 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.23
#3073B3 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3073B3
4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3073B3#FFFFFF#000000##FFFFFF
##3073B31.004.974.234.97
#FFFFFF4.971.0021.001.00
#0000004.2321.001.0021.00
##FFFFFF4.971.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5677B6
Deuteranopia (green-blind)
#436AB2
Tritanopia (blue-blind)
#00828A
Achromatopsia (no color)
#707070

Design tokens & code

CSS
--color: #3073b3;
/* rgb */ color: rgb(48, 115, 179);
/* oklch */ color: oklch(54.4% 0.121 250.2);
Tailwind
colors: {
  custom: {
    50: '#799aca',
    500: '#3073b3',
    950: '#000000',
  },
}
SCSS
$custom: #3073b3;
$custom-light: #799aca;
$custom-dark: #000000;
JSON
{
  "hex": "#3073b3",
  "rgb": {
    "r": 48,
    "g": 115,
    "b": 179
  },
  "hsl": {
    "h": 209.313,
    "s": 57.709,
    "l": 44.51
  },
  "oklch": {
    "l": 0.54387,
    "c": 0.1209,
    "h": 250.2
  },
  "luminance": 0.16145
}

Semantic roles & 50–950 ramp

primary
#3073B3
secondary
#C69F79
accent
#9247E1
background
#F7F9FC
surface
#EEF2F8
border
#C9CCD1
text
#0A0E13
muted
#7C7E82

Preview Lab

Preview with #3073B3

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

Preview Lab → · Contrast checker → · Palette generator →

#3073B3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva