#4B42CB#4B42CB

#4B42CB is a mid, highly saturated blue. Relative luminance 0.097; OKLCH L 47.8% C 0.203 H 278.3°. Best body text is #FFFFFF at 7.14:1 contrast (WCAG AA passes).

Color values

HEX	#4B42CB
RGB	rgb(75, 66, 203)
HSL	hsl(244, 57%, 53%)
HSV	hsv(244, 67%, 80%)
CMYK	cmyk(63.1%, 67.5%, 0%, 20.4%)
CIE-LAB	lab(37.30, 44.15, -69.79)
CIE-LCH	lch(37.30, 82.58, 302.32°)
OKLab	oklab(47.81% 0.0295 -0.2013)
OKLCH	oklch(47.81% 0.203 278.3)
XYZ	xyz(15.6259, 9.7028, 57.5377)
Luminance	0.0970 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B42CB #C2CB42

analogous

#427DCB #4B42CB #9042CB

triadic

#4B42CB #CB4B42 #42CB4B

tetradic

#4B42CB #CB427D #C2CB42 #42CB90

square

#4B42CB #CB427D #C2CB42 #42CB90

split-complementary

#4B42CB #CB9042 #7DCB42

monochromatic

#252073 #352DA3 #4B42CB #7972D8 #A6A2E5

Accessibility & contrast

On white

7.14

#4B42CB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#4B42CB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B42CB

7.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B42CB	#FFFFFF	#000000	##FFFFFF
##4B42CB	1.00	7.14	2.94	7.14
#FFFFFF	7.14	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DCF

Deuteranopia (green-blind)

#0052C8

Tritanopia (blue-blind)

#006681

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #4b42cb;
/* rgb */ color: rgb(75, 66, 203);
/* oklch */ color: oklch(47.8% 0.203 278.3);

Tailwind

colors: {
  custom: {
    50: '#8c77dc',
    500: '#4b42cb',
    950: '#000000',
  },
}

SCSS

$custom: #4b42cb;
$custom-light: #8c77dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4b42cb",
  "rgb": {
    "r": 75,
    "g": 66,
    "b": 203
  },
  "hsl": {
    "h": 243.942,
    "s": 56.846,
    "l": 52.745
  },
  "oklch": {
    "l": 0.47814,
    "c": 0.20341,
    "h": 278.3
  },
  "luminance": 0.09704
}

Semantic roles & 50–950 ramp

primary

#4B42CB

secondary

#CED297

accent

#E048D6

background

#F9F7FD

surface

#F2EDFB

border

#CCC8D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #4B42CB

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

Preview Lab → · Contrast checker → · Palette generator →