#4B39CB#4B39CB

#4B39CB is a mid, highly saturated blue. Relative luminance 0.087; OKLCH L 46.5% C 0.213 H 279.7°. Best body text is #FFFFFF at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#4B39CB
RGB	rgb(75, 57, 203)
HSL	hsl(247, 58%, 51%)
HSV	hsv(247, 72%, 80%)
CMYK	cmyk(63.1%, 71.9%, 0%, 20.4%)
CIE-LAB	lab(35.46, 49.21, -72.81)
CIE-LCH	lch(35.46, 87.88, 304.06°)
OKLab	oklab(46.5% 0.0359 -0.2101)
OKLCH	oklch(46.5% 0.213 279.7)
XYZ	xyz(15.1408, 8.7327, 57.3760)
Luminance	0.0873 (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

#4B39CB #B9CB39

analogous

#3970CB #4B39CB #9439CB

triadic

#4B39CB #CB4B39 #39CB4B

tetradic

#4B39CB #CB3970 #B9CB39 #39CB94

square

#4B39CB #CB3970 #B9CB39 #39CB94

split-complementary

#4B39CB #CB9439 #70CB39

monochromatic

#271D6D #38299D #4B39CB #7769D8 #A39AE4

Accessibility & contrast

On white

7.65

#4B39CB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#4B39CB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B39CB

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B39CB	#FFFFFF	#000000	##FFFFFF
##4B39CB	1.00	7.65	2.75	7.65
#FFFFFF	7.65	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059CF

Deuteranopia (green-blind)

#004EC8

Tritanopia (blue-blind)

#00617E

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4b39cb;
/* rgb */ color: rgb(75, 57, 203);
/* oklch */ color: oklch(46.5% 0.213 279.7);

Tailwind

colors: {
  custom: {
    50: '#8d72dc',
    500: '#4b39cb',
    950: '#000000',
  },
}

SCSS

$custom: #4b39cb;
$custom-light: #8d72dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4b39cb",
  "rgb": {
    "r": 75,
    "g": 57,
    "b": 203
  },
  "hsl": {
    "h": 247.397,
    "s": 58.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.46497,
    "c": 0.21314,
    "h": 279.7
  },
  "luminance": 0.08734
}

Semantic roles & 50–950 ramp

primary

#4B39CB

secondary

#C8D090

accent

#E246CE

background

#F9F7FD

surface

#F2EDFB

border

#CCC8D4

text

#0E0815

muted

#7E7B83

Preview Lab

Preview with #4B39CB

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

Preview Lab → · Contrast checker → · Palette generator →