#4C42EB#4C42EB

#4C42EB is a mid, highly saturated blue. Relative luminance 0.114; OKLCH L 50.9% C 0.242 H 276.1°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#4C42EB
RGB	rgb(76, 66, 235)
HSL	hsl(244, 81%, 59%)
HSV	hsv(244, 72%, 92%)
CMYK	cmyk(67.7%, 71.9%, 0%, 7.8%)
CIE-LAB	lab(40.29, 54.35, -83.21)
CIE-LCH	lch(40.29, 99.39, 303.15°)
OKLab	oklab(50.86% 0.0256 -0.2405)
OKLCH	oklch(50.86% 0.242 276.1)
XYZ	xyz(19.9192, 11.4293, 79.7375)
Luminance	0.1143 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C42EB #E1EB42

analogous

#428DEB #4C42EB #A142EB

triadic

#4C42EB #EB4C42 #42EB4C

tetradic

#4C42EB #EB428D #E1EB42 #42EBA1

square

#4C42EB #EB428D #E1EB42 #42EBA1

split-complementary

#4C42EB #EBA142 #8DEB42

monochromatic

#1A11A2 #2217D9 #4C42EB #8079F1 #B5B1F7

Accessibility & contrast

On white

6.39

#4C42EB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#4C42EB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C42EB

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C42EB	#FFFFFF	#000000	##FFFFFF
##4C42EB	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)

#0066F0

Deuteranopia (green-blind)

#0057E8

Tritanopia (blue-blind)

#007293

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #4c42eb;
/* rgb */ color: rgb(76, 66, 235);
/* oklch */ color: oklch(50.9% 0.242 276.1);

Tailwind

colors: {
  custom: {
    50: '#9279f3',
    500: '#4c42eb',
    950: '#000000',
  },
}

SCSS

$custom: #4c42eb;
$custom-light: #9279f3;
$custom-dark: #000000;

JSON

{
  "hex": "#4c42eb",
  "rgb": {
    "r": 76,
    "g": 66,
    "b": 235
  },
  "hsl": {
    "h": 243.55,
    "s": 80.861,
    "l": 59.02
  },
  "oklch": {
    "l": 0.5086,
    "c": 0.24184,
    "h": 276.1
  },
  "luminance": 0.11431
}

Semantic roles & 50–950 ramp

primary

#4C42EB

secondary

#E2E6A3

accent

#F731EC

background

#FAF7FF

surface

#F3EDFE

border

#CDC8D6

text

#0F0917

muted

#7F7B85

Preview Lab

Preview with #4C42EB

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

Preview Lab → · Contrast checker → · Palette generator →