#543FCB#543FCB

#543FCB is a mid, highly saturated blue. Relative luminance 0.098; OKLCH L 48.1% C 0.205 H 282.3°. Best body text is #FFFFFF at 7.12:1 contrast (WCAG AA passes).

Color values

HEX#543FCB
RGBrgb(84, 63, 203)
HSLhsl(249, 57%, 52%)
HSVhsv(249, 69%, 80%)
CMYKcmyk(58.6%, 69%, 0%, 20.4%)
CIE-LABlab(37.39, 47.15, -69.62)
CIE-LCHlch(37.39, 84.08, 304.11°)
OKLaboklab(48.06% 0.0436 -0.2005)
OKLCHoklch(48.06% 0.205 282.3)
XYZxyz(16.2098, 9.7505, 57.5162)
Luminance0.0975 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#543FCB #B6CB3F
analogous
#3F70CB #543FCB #9A3FCB
triadic
#543FCB #CB543F #3FCB54
tetradic
#543FCB #CB3F70 #B6CB3F #3FCB9A
square
#543FCB #CB3F70 #B6CB3F #3FCB9A
split-complementary
#543FCB #CB9A3F #70CB3F
monochromatic
#2B1F71 #3D2CA1 #543FCB #7F6FD8 #AA9FE5

Accessibility & contrast

On white

7.12
#543FCB on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.95
#543FCB on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #543FCB
7.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##543FCB#FFFFFF#000000##FFFFFF
##543FCB1.007.122.957.12
#FFFFFF7.121.0021.001.00
#0000002.9521.001.0021.00
##FFFFFF7.121.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005DCF
Deuteranopia (green-blind)
#0053C8
Tritanopia (blue-blind)
#026480
Achromatopsia (no color)
#585858

Design tokens & code

CSS
--color: #543fcb;
/* rgb */ color: rgb(84, 63, 203);
/* oklch */ color: oklch(48.1% 0.205 282.3);
Tailwind
colors: {
  custom: {
    50: '#9176dc',
    500: '#543fcb',
    950: '#000000',
  },
}
SCSS
$custom: #543fcb;
$custom-light: #9176dc;
$custom-dark: #000000;
JSON
{
  "hex": "#543fcb",
  "rgb": {
    "r": 84,
    "g": 63,
    "b": 203
  },
  "hsl": {
    "h": 249,
    "s": 57.377,
    "l": 52.157
  },
  "oklch": {
    "l": 0.48056,
    "c": 0.20519,
    "h": 282.3
  },
  "luminance": 0.09752
}

Semantic roles & 50–950 ramp

primary
#543FCB
secondary
#C8D194
accent
#E147CA
background
#F9F7FD
surface
#F2EDFB
border
#CCC8D4
text
#0E0915
muted
#7E7B83

Preview Lab

Preview with #543FCB

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

Preview Lab → · Contrast checker → · Palette generator →

#543FCB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva