#4347AB#4347AB

#4347AB is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.4% C 0.157 H 276.4°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX#4347AB
RGBrgb(67, 71, 171)
HSLhsl(238, 44%, 47%)
HSVhsv(238, 61%, 67%)
CMYKcmyk(60.8%, 58.5%, 0%, 32.9%)
CIE-LABlab(35.28, 29.21, -54.30)
CIE-LCHlch(35.28, 61.66, 298.28°)
OKLaboklab(45.38% 0.0176 -0.156)
OKLCHoklch(45.38% 0.157 276.4)
XYZxyz(11.9163, 8.6391, 39.5598)
Luminance0.0864 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4347AB #ABA743
analogous
#437BAB #4347AB #7343AB
triadic
#4347AB #AB4347 #47AB43
tetradic
#4347AB #AB437B #ABA743 #43AB73
square
#4347AB #AB437B #ABA743 #43AB73
split-complementary
#4347AB #AB7343 #7BAB43
monochromatic
#212253 #32357F #4347AB #686BC4 #9496D5

Accessibility & contrast

On white

7.70
#4347AB on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.73
#4347AB on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4347AB
7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4347AB#FFFFFF#000000##FFFFFF
##4347AB1.007.702.737.70
#FFFFFF7.701.0021.001.00
#0000002.7321.001.0021.00
##FFFFFF7.701.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0057AE
Deuteranopia (green-blind)
#004FA9
Tritanopia (blue-blind)
#005F72
Achromatopsia (no color)
#535353

Design tokens & code

CSS
--color: #4347ab;
/* rgb */ color: rgb(67, 71, 171);
/* oklch */ color: oklch(45.4% 0.157 276.4);
Tailwind
colors: {
  custom: {
    50: '#827ac5',
    500: '#4347ab',
    950: '#000000',
  },
}
SCSS
$custom: #4347ab;
$custom-light: #827ac5;
$custom-dark: #000000;
JSON
{
  "hex": "#4347ab",
  "rgb": {
    "r": 67,
    "g": 71,
    "b": 171
  },
  "hsl": {
    "h": 237.692,
    "s": 43.697,
    "l": 46.667
  },
  "oklch": {
    "l": 0.45375,
    "c": 0.15698,
    "h": 276.4
  },
  "luminance": 0.0864
}

Semantic roles & 50–950 ramp

primary
#4347AB
secondary
#C0BE89
accent
#CF54D3
background
#F8F7FC
surface
#F0EDF8
border
#CBC8D1
text
#0B0913
muted
#7C7B82

Preview Lab

Preview with #4347AB

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

Preview Lab → · Contrast checker → · Palette generator →

#4347AB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva