#3A43C9#3A43C9

#3A43C9 is a mid, highly saturated blue. Relative luminance 0.091; OKLCH L 46.7% C 0.204 H 272.5°. Best body text is #FFFFFF at 7.43:1 contrast (WCAG AA passes).

Color values

HEX#3A43C9
RGBrgb(58, 67, 201)
HSLhsl(236, 57%, 51%)
HSVhsv(236, 71%, 79%)
CMYKcmyk(71.1%, 66.7%, 0%, 21.2%)
CIE-LABlab(36.23, 40.74, -70.43)
CIE-LCHlch(36.23, 81.36, 300.05°)
OKLaboklab(46.69% 0.0089 -0.2036)
OKLCHoklch(46.69% 0.204 272.5)
XYZxyz(14.2911, 9.1295, 56.2560)
Luminance0.0913 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3A43C9 #C9C03A
analogous
#3A8AC9 #3A43C9 #783AC9
triadic
#3A43C9 #C93A43 #43C93A
tetradic
#3A43C9 #C93A8A #C9C03A #3AC978
square
#3A43C9 #C93A8A #C9C03A #3AC978
split-complementary
#3A43C9 #C9783A #8AC93A
monochromatic
#1D226B #2B329B #3A43C9 #6A71D6 #9A9FE3

Accessibility & contrast

On white

7.43
#3A43C9 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.83
#3A43C9 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A43C9
7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3A43C9#FFFFFF#000000##FFFFFF
##3A43C91.007.432.837.43
#FFFFFF7.431.0021.001.00
#0000002.8321.001.0021.00
##FFFFFF7.431.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005CCD
Deuteranopia (green-blind)
#004FC6
Tritanopia (blue-blind)
#006780
Achromatopsia (no color)
#555555

Design tokens & code

CSS
--color: #3a43c9;
/* rgb */ color: rgb(58, 67, 201);
/* oklch */ color: oklch(46.7% 0.204 272.5);
Tailwind
colors: {
  custom: {
    50: '#8477db',
    500: '#3a43c9',
    950: '#000000',
  },
}
SCSS
$custom: #3a43c9;
$custom-light: #8477db;
$custom-dark: #000000;
JSON
{
  "hex": "#3a43c9",
  "rgb": {
    "r": 58,
    "g": 67,
    "b": 201
  },
  "hsl": {
    "h": 236.224,
    "s": 56.972,
    "l": 50.784
  },
  "oklch": {
    "l": 0.46694,
    "c": 0.20376,
    "h": 272.5
  },
  "luminance": 0.09131
}

Semantic roles & 50–950 ramp

primary
#3A43C9
secondary
#CFCB90
accent
#D748E0
background
#F8F7FD
surface
#F0EDFB
border
#CBC8D4
text
#0C0915
muted
#7D7B83

Preview Lab

Preview with #3A43C9

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

Preview Lab → · Contrast checker → · Palette generator →

#3A43C9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva