#4B43DD#4B43DD

#4B43DD is a mid, highly saturated blue. Relative luminance 0.107; OKLCH L 49.6% C 0.224 H 276.7°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX#4B43DD
RGBrgb(75, 67, 221)
HSLhsl(243, 69%, 56%)
HSVhsv(243, 70%, 87%)
CMYKcmyk(66.1%, 69.7%, 0%, 13.3%)
CIE-LABlab(39.12, 49.31, -77.18)
CIE-LCHlch(39.12, 91.59, 302.57°)
OKLaboklab(49.61% 0.0262 -0.2229)
OKLCHoklch(49.61% 0.224 276.7)
XYZxyz(17.9557, 10.7291, 69.5173)
Luminance0.1073 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4B43DD #D5DD43
analogous
#4388DD #4B43DD #9843DD
triadic
#4B43DD #DD4B43 #43DD4B
tetradic
#4B43DD #DD4388 #D5DD43 #43DD98
square
#4B43DD #DD4388 #D5DD43 #43DD98
split-complementary
#4B43DD #DD9843 #88DD43
monochromatic
#1F198C #2B23C0 #4B43DD #7D77E6 #AEABF0

Accessibility & contrast

On white

6.67
#4B43DD on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.15
#4B43DD on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B43DD
6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4B43DD#FFFFFF#000000##FFFFFF
##4B43DD1.006.673.156.67
#FFFFFF6.671.0021.001.00
#0000003.1521.001.0021.00
##FFFFFF6.671.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0063E2
Deuteranopia (green-blind)
#0055DA
Tritanopia (blue-blind)
#006D8B
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #4b43dd;
/* rgb */ color: rgb(75, 67, 221);
/* oklch */ color: oklch(49.6% 0.224 276.7);
Tailwind
colors: {
  custom: {
    50: '#8f79e9',
    500: '#4b43dd',
    950: '#000000',
  },
}
SCSS
$custom: #4b43dd;
$custom-light: #8f79e9;
$custom-dark: #000000;
JSON
{
  "hex": "#4b43dd",
  "rgb": {
    "r": 75,
    "g": 67,
    "b": 221
  },
  "hsl": {
    "h": 243.117,
    "s": 69.369,
    "l": 56.471
  },
  "oklch": {
    "l": 0.49611,
    "c": 0.22442,
    "h": 276.7
  },
  "luminance": 0.10731
}

Semantic roles & 50–950 ramp

primary
#4B43DD
secondary
#DADE9E
accent
#EC3CE3
background
#F9F7FE
surface
#F2EDFD
border
#CCC8D5
text
#0E0916
muted
#7E7B84

Preview Lab

Preview with #4B43DD

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

Preview Lab → · Contrast checker → · Palette generator →

#4B43DD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva