#403AD3#403AD3

#403AD3 is a mid, highly saturated blue. Relative luminance 0.088; OKLCH L 46.6% C 0.224 H 275.0°. Best body text is #FFFFFF at 7.60:1 contrast (WCAG AA passes).

Color values

HEX#403AD3
RGBrgb(64, 58, 211)
HSLhsl(242, 63%, 53%)
HSVhsv(242, 73%, 83%)
CMYKcmyk(69.7%, 72.5%, 0%, 17.3%)
CIE-LABlab(35.63, 49.92, -77.20)
CIE-LCHlch(35.63, 91.94, 302.89°)
OKLaboklab(46.64% 0.0197 -0.2232)
OKLCHoklch(46.64% 0.224 275)
XYZxyz(15.3814, 8.8178, 62.5068)
Luminance0.0882 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#403AD3 #CDD33A
analogous
#3A80D3 #403AD3 #8C3AD3
triadic
#403AD3 #D3403A #3AD340
tetradic
#403AD3 #D33A80 #CDD33A #3AD38C
square
#403AD3 #D33A80 #CDD33A #3AD38C
split-complementary
#403AD3 #D38C3A #80D33A
monochromatic
#1E1B78 #2B26AA #403AD3 #716CDE #A19EE9

Accessibility & contrast

On white

7.60
#403AD3 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.76
#403AD3 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403AD3
7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##403AD3#FFFFFF#000000##FFFFFF
##403AD31.007.602.767.60
#FFFFFF7.601.0021.001.00
#0000002.7621.001.0021.00
##FFFFFF7.601.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005BD7
Deuteranopia (green-blind)
#004DD0
Tritanopia (blue-blind)
#006683
Achromatopsia (no color)
#545454

Design tokens & code

CSS
--color: #403ad3;
/* rgb */ color: rgb(64, 58, 211);
/* oklch */ color: oklch(46.6% 0.224 275.0);
Tailwind
colors: {
  custom: {
    50: '#8972e2',
    500: '#403ad3',
    950: '#000000',
  },
}
SCSS
$custom: #403ad3;
$custom-light: #8972e2;
$custom-dark: #000000;
JSON
{
  "hex": "#403ad3",
  "rgb": {
    "r": 64,
    "g": 58,
    "b": 211
  },
  "hsl": {
    "h": 242.353,
    "s": 63.485,
    "l": 52.745
  },
  "oklch": {
    "l": 0.46642,
    "c": 0.22407,
    "h": 275
  },
  "luminance": 0.08819
}

Semantic roles & 50–950 ramp

primary
#403AD3
secondary
#D3D693
accent
#E741E0
background
#F9F7FE
surface
#F2EDFC
border
#CCC8D5
text
#0D0816
muted
#7E7B84

Preview Lab

Preview with #403AD3

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

Preview Lab → · Contrast checker → · Palette generator →

#403AD3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva