#3547AD#3547AD

#3547AD is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.7% C 0.163 H 270.7°. Best body text is #FFFFFF at 7.91:1 contrast (WCAG AA passes).

Color values

HEX#3547AD
RGBrgb(53, 71, 173)
HSLhsl(231, 53%, 44%)
HSVhsv(231, 69%, 68%)
CMYKcmyk(69.4%, 59%, 0%, 32.2%)
CIE-LABlab(34.56, 27.66, -56.70)
CIE-LCHlch(34.56, 63.09, 296.00°)
OKLaboklab(44.66% 0.0019 -0.1634)
OKLCHoklch(44.66% 0.163 270.7)
XYZxyz(11.2617, 8.2794, 40.5316)
Luminance0.0828 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3547AD #AD9B35
analogous
#3583AD #3547AD #5F35AD
triadic
#3547AD #AD3547 #47AD35
tetradic
#3547AD #AD3583 #AD9B35 #35AD5F
square
#3547AD #AD3583 #AD9B35 #35AD5F
split-complementary
#3547AD #AD5F35 #83AD35
monochromatic
#18214F #27347E #3547AD #5466CB #8390D9

Accessibility & contrast

On white

7.91
#3547AD on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.66
#3547AD on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3547AD
7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3547AD#FFFFFF#000000##FFFFFF
##3547AD1.007.912.667.91
#FFFFFF7.911.0021.001.00
#0000002.6621.001.0021.00
##FFFFFF7.911.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0057B0
Deuteranopia (green-blind)
#004CAB
Tritanopia (blue-blind)
#006073
Achromatopsia (no color)
#515151

Design tokens & code

CSS
--color: #3547ad;
/* rgb */ color: rgb(53, 71, 173);
/* oklch */ color: oklch(44.7% 0.163 270.7);
Tailwind
colors: {
  custom: {
    50: '#7b7ac6',
    500: '#3547ad',
    950: '#000000',
  },
}
SCSS
$custom: #3547ad;
$custom-light: #7b7ac6;
$custom-dark: #000000;
JSON
{
  "hex": "#3547ad",
  "rgb": {
    "r": 53,
    "g": 71,
    "b": 173
  },
  "hsl": {
    "h": 231,
    "s": 53.097,
    "l": 44.314
  },
  "oklch": {
    "l": 0.44656,
    "c": 0.16342,
    "h": 270.7
  },
  "luminance": 0.0828
}

Semantic roles & 50–950 ramp

primary
#3547AD
secondary
#C3B87B
accent
#C74BDD
background
#F8F7FC
surface
#EFEDF8
border
#CAC8D1
text
#0B0913
muted
#7C7B82

Preview Lab

Preview with #3547AD

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

Preview Lab → · Contrast checker → · Palette generator →

#3547AD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva