#4C43E9#4C43E9

#4C43E9 is a mid, highly saturated blue. Relative luminance 0.114; OKLCH L 50.8% C 0.239 H 276.1°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#4C43E9
RGB	rgb(76, 67, 233)
HSL	hsl(243, 79%, 59%)
HSV	hsv(243, 71%, 91%)
CMYK	cmyk(67.4%, 71.2%, 0%, 8.6%)
CIE-LAB	lab(40.30, 53.19, -82.07)
CIE-LCH	lch(40.30, 97.80, 302.94°)
OKLab	oklab(50.81% 0.0254 -0.2372)
OKLCH	oklch(50.81% 0.239 276.1)
XYZ	xyz(19.6908, 11.4322, 78.2439)
Luminance	0.1143 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C43E9 #E0E943

analogous

#438DE9 #4C43E9 #9F43E9

triadic

#4C43E9 #E94C43 #43E94C

tetradic

#4C43E9 #E9438D #E0E943 #43E99F

square

#4C43E9 #E9438D #E0E943 #43E99F

split-complementary

#4C43E9 #E99F43 #8DE943

monochromatic

#1A139F #2319D6 #4C43E9 #807AEF #B4B1F6

Accessibility & contrast

On white

6.39

#4C43E9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#4C43E9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C43E9

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C43E9	#FFFFFF	#000000	##FFFFFF
##4C43E9	1.00	6.39	3.29	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066EE

Deuteranopia (green-blind)

#0058E6

Tritanopia (blue-blind)

#007292

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #4c43e9;
/* rgb */ color: rgb(76, 67, 233);
/* oklch */ color: oklch(50.8% 0.239 276.1);

Tailwind

colors: {
  custom: {
    50: '#9279f1',
    500: '#4c43e9',
    950: '#000000',
  },
}

SCSS

$custom: #4c43e9;
$custom-light: #9279f1;
$custom-dark: #000000;

JSON

{
  "hex": "#4c43e9",
  "rgb": {
    "r": 76,
    "g": 67,
    "b": 233
  },
  "hsl": {
    "h": 243.253,
    "s": 79.048,
    "l": 58.824
  },
  "oklch": {
    "l": 0.50806,
    "c": 0.23852,
    "h": 276.1
  },
  "luminance": 0.11434
}

Semantic roles & 50–950 ramp

primary

#4C43E9

secondary

#E1E5A3

accent

#F632EB

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0F0917

muted

#7E7B85

Preview Lab

Preview with #4C43E9

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

Preview Lab → · Contrast checker → · Palette generator →