#3543C9#3543C9

#3543C9 is a mid, highly saturated blue. Relative luminance 0.090; OKLCH L 46.4% C 0.205 H 271.0°. Best body text is #FFFFFF at 7.51:1 contrast (WCAG AA passes).

Color values

HEX#3543C9
RGBrgb(53, 67, 201)
HSLhsl(234, 58%, 50%)
HSVhsv(234, 74%, 79%)
CMYKcmyk(73.6%, 66.7%, 0%, 21.2%)
CIE-LABlab(35.96, 40.19, -70.89)
CIE-LCHlch(35.96, 81.49, 299.55°)
OKLaboklab(46.42% 0.0036 -0.205)
OKLCHoklch(46.42% 0.205 271)
XYZxyz(14.0144, 8.9868, 56.2430)
Luminance0.0899 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3543C9 #C9BB35
analogous
#358DC9 #3543C9 #7135C9
triadic
#3543C9 #C93543 #43C935
tetradic
#3543C9 #C9358D #C9BB35 #35C971
square
#3543C9 #C9358D #C9BB35 #35C971
split-complementary
#3543C9 #C97135 #8DC935
monochromatic
#1B2368 #283399 #3543C9 #6570D6 #959DE3

Accessibility & contrast

On white

7.51
#3543C9 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.80
#3543C9 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3543C9
7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3543C9#FFFFFF#000000##FFFFFF
##3543C91.007.512.807.51
#FFFFFF7.511.0021.001.00
#0000002.8021.001.0021.00
##FFFFFF7.511.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005CCD
Deuteranopia (green-blind)
#004EC6
Tritanopia (blue-blind)
#006780
Achromatopsia (no color)
#555555

Design tokens & code

CSS
--color: #3543c9;
/* rgb */ color: rgb(53, 67, 201);
/* oklch */ color: oklch(46.4% 0.205 271.0);
Tailwind
colors: {
  custom: {
    50: '#8277db',
    500: '#3543c9',
    950: '#000000',
  },
}
SCSS
$custom: #3543c9;
$custom-light: #8277db;
$custom-dark: #000000;
JSON
{
  "hex": "#3543c9",
  "rgb": {
    "r": 53,
    "g": 67,
    "b": 201
  },
  "hsl": {
    "h": 234.324,
    "s": 58.268,
    "l": 49.804
  },
  "oklch": {
    "l": 0.46421,
    "c": 0.20506,
    "h": 271
  },
  "luminance": 0.08988
}

Semantic roles & 50–950 ramp

primary
#3543C9
secondary
#CEC88B
accent
#D346E1
background
#F8F7FD
surface
#F0EDFB
border
#CBC8D4
text
#0C0915
muted
#7D7B83

Preview Lab

Preview with #3543C9

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

Preview Lab → · Contrast checker → · Palette generator →

#3543C9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva