#4730BB#4730BB

#4730BB is a dark, highly saturated blue. Relative luminance 0.070; OKLCH L 43.4% C 0.204 H 281.3°. Best body text is #FFFFFF at 8.72:1 contrast (WCAG AA passes).

Color values

HEX#4730BB
RGBrgb(71, 48, 187)
HSLhsl(250, 59%, 46%)
HSVhsv(250, 74%, 73%)
CMYKcmyk(62%, 74.3%, 0%, 26.7%)
CIE-LABlab(31.90, 48.64, -69.31)
CIE-LCHlch(31.90, 84.67, 305.06°)
OKLaboklab(43.43% 0.0399 -0.1999)
OKLCHoklch(43.43% 0.204 281.3)
XYZxyz(12.6223, 7.0404, 47.6979)
Luminance0.0704 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4730BB #A4BB30
analogous
#305EBB #4730BB #8C30BB
triadic
#4730BB #BB4730 #30BB47
tetradic
#4730BB #BB305E #A4BB30 #30BB8C
square
#4730BB #BB305E #A4BB30 #30BB8C
split-complementary
#4730BB #BB8C30 #5EBB30
monochromatic
#22175A #35238A #4730BB #6A55D3 #9586E0

Accessibility & contrast

On white

8.72
#4730BB on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.41
#4730BB on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4730BB
8.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4730BB#FFFFFF#000000##FFFFFF
##4730BB1.008.722.418.72
#FFFFFF8.721.0021.001.00
#0000002.4121.001.0021.00
##FFFFFF8.721.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0050BF
Deuteranopia (green-blind)
#0046B8
Tritanopia (blue-blind)
#005773
Achromatopsia (no color)
#4B4B4B

Design tokens & code

CSS
--color: #4730bb;
/* rgb */ color: rgb(71, 48, 187);
/* oklch */ color: oklch(43.4% 0.204 281.3);
Tailwind
colors: {
  custom: {
    50: '#886bd1',
    500: '#4730bb',
    950: '#000000',
  },
}
SCSS
$custom: #4730bb;
$custom-light: #886bd1;
$custom-dark: #000000;
JSON
{
  "hex": "#4730bb",
  "rgb": {
    "r": 71,
    "g": 48,
    "b": 187
  },
  "hsl": {
    "h": 249.928,
    "s": 59.149,
    "l": 46.078
  },
  "oklch": {
    "l": 0.43428,
    "c": 0.20386,
    "h": 281.3
  },
  "luminance": 0.07041
}

Semantic roles & 50–950 ramp

primary
#4730BB
secondary
#BDC97D
accent
#E245C8
background
#F9F6FD
surface
#F1EBFA
border
#CBC6D3
text
#0D0714
muted
#7E7A83

Preview Lab

Preview with #4730BB

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

Preview Lab → · Contrast checker → · Palette generator →

#4730BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva