#473DAB#473DAB

#473DAB is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.9% C 0.169 H 280.9°. Best body text is #FFFFFF at 8.32:1 contrast (WCAG AA passes).

Color values

HEX#473DAB
RGBrgb(71, 61, 171)
HSLhsl(245, 47%, 45%)
HSVhsv(245, 64%, 67%)
CMYKcmyk(58.5%, 64.3%, 0%, 32.9%)
CIE-LABlab(33.17, 36.18, -57.72)
CIE-LCHlch(33.17, 68.12, 302.08°)
OKLaboklab(43.9% 0.0321 -0.166)
OKLCHoklch(43.9% 0.169 280.9)
XYZxyz(11.6157, 7.6166, 39.3782)
Luminance0.0762 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#473DAB #A1AB3D
analogous
#3D6AAB #473DAB #7E3DAB
triadic
#473DAB #AB473D #3DAB47
tetradic
#473DAB #AB3D6A #A1AB3D #3DAB7E
square
#473DAB #AB3D6A #A1AB3D #3DAB7E
split-complementary
#473DAB #AB7E3D #6AAB3D
monochromatic
#221D51 #342D7E #473DAB #695FC6 #938CD6

Accessibility & contrast

On white

8.32
#473DAB on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.52
#473DAB on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #473DAB
8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##473DAB#FFFFFF#000000##FFFFFF
##473DAB1.008.322.528.32
#FFFFFF8.321.0021.001.00
#0000002.5221.001.0021.00
##FFFFFF8.321.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0052AE
Deuteranopia (green-blind)
#004AA9
Tritanopia (blue-blind)
#09586E
Achromatopsia (no color)
#4E4E4E

Design tokens & code

CSS
--color: #473dab;
/* rgb */ color: rgb(71, 61, 171);
/* oklch */ color: oklch(43.9% 0.169 280.9);
Tailwind
colors: {
  custom: {
    50: '#8473c5',
    500: '#473dab',
    950: '#000000',
  },
}
SCSS
$custom: #473dab;
$custom-light: #8473c5;
$custom-dark: #000000;
JSON
{
  "hex": "#473dab",
  "rgb": {
    "r": 71,
    "g": 61,
    "b": 171
  },
  "hsl": {
    "h": 245.455,
    "s": 47.414,
    "l": 45.49
  },
  "oklch": {
    "l": 0.43902,
    "c": 0.16906,
    "h": 280.9
  },
  "luminance": 0.07617
}

Semantic roles & 50–950 ramp

primary
#473DAB
secondary
#BBC183
accent
#D751CB
background
#F8F7FC
surface
#F0EDF8
border
#CBC8D1
text
#0C0813
muted
#7D7B82

Preview Lab

Preview with #473DAB

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

Preview Lab → · Contrast checker → · Palette generator →

#473DAB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva