#4B42DD#4B42DD

#4B42DD is a mid, highly saturated blue. Relative luminance 0.106; OKLCH L 49.5% C 0.225 H 276.8°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#4B42DD
RGB	rgb(75, 66, 221)
HSL	hsl(243, 70%, 56%)
HSV	hsv(243, 70%, 87%)
CMYK	cmyk(66.1%, 70.1%, 0%, 13.3%)
CIE-LAB	lab(38.92, 49.87, -77.51)
CIE-LCH	lch(38.92, 92.17, 302.75°)
OKLab	oklab(49.47% 0.0268 -0.2239)
OKLCH	oklch(49.47% 0.225 276.8)
XYZ	xyz(17.8968, 10.6112, 69.4976)
Luminance	0.1061 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 3.41

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B42DD #D4DD42

analogous

#4287DD #4B42DD #9942DD

triadic

#4B42DD #DD4B42 #42DD4B

tetradic

#4B42DD #DD4287 #D4DD42 #42DD99

square

#4B42DD #DD4287 #D4DD42 #42DD99

split-complementary

#4B42DD #DD9942 #87DD42

monochromatic

#20198C #2C22BF #4B42DD #7C76E6 #AEAAF0

Accessibility & contrast

On white

6.73

#4B42DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#4B42DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B42DD

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B42DD	#FFFFFF	#000000	##FFFFFF
##4B42DD	1.00	6.73	3.12	6.73
#FFFFFF	6.73	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062E2

Deuteranopia (green-blind)

#0055DA

Tritanopia (blue-blind)

#006D8B

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #4b42dd;
/* rgb */ color: rgb(75, 66, 221);
/* oklch */ color: oklch(49.5% 0.225 276.8);

Tailwind

colors: {
  custom: {
    50: '#8f78e9',
    500: '#4b42dd',
    950: '#000000',
  },
}

SCSS

$custom: #4b42dd;
$custom-light: #8f78e9;
$custom-dark: #000000;

JSON

{
  "hex": "#4b42dd",
  "rgb": {
    "r": 75,
    "g": 66,
    "b": 221
  },
  "hsl": {
    "h": 243.484,
    "s": 69.507,
    "l": 56.275
  },
  "oklch": {
    "l": 0.49466,
    "c": 0.22547,
    "h": 276.8
  },
  "luminance": 0.10613
}

Semantic roles & 50–950 ramp

primary

#4B42DD

secondary

#DADD9D

accent

#EC3BE2

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4B42DD

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

Preview Lab → · Contrast checker → · Palette generator →