#4B48BB#4B48BB

#4B48BB is a mid, vivid blue. Relative luminance 0.097; OKLCH L 47.4% C 0.176 H 278.5°. Best body text is #FFFFFF at 7.13:1 contrast (WCAG AA passes).

Color values

HEX	#4B48BB
RGB	rgb(75, 72, 187)
HSL	hsl(242, 46%, 51%)
HSV	hsv(242, 61%, 73%)
CMYK	cmyk(59.9%, 61.5%, 0%, 26.7%)
CIE-LAB	lab(37.33, 35.35, -60.41)
CIE-LCH	lch(37.33, 69.99, 300.34°)
OKLab	oklab(47.42% 0.0259 -0.1737)
OKLCH	oklch(47.42% 0.176 278.5)
XYZ	xyz(14.1858, 9.7174, 48.1322)
Luminance	0.0972 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.14

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B48BB #B8BB48

analogous

#487EBB #4B48BB #8448BB

triadic

#4B48BB #BB4B48 #48BB4B

tetradic

#4B48BB #BB487E #B8BB48 #48BB84

square

#4B48BB #BB487E #B8BB48 #48BB84

split-complementary

#4B48BB #BB8448 #7EBB48

monochromatic

#272564 #383690 #4B48BB #7775CC #A3A1DC

Accessibility & contrast

On white

7.13

#4B48BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#4B48BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B48BB

7.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B48BB	#FFFFFF	#000000	##FFFFFF
##4B48BB	1.00	7.13	2.94	7.13
#FFFFFF	7.13	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DBF

Deuteranopia (green-blind)

#0053B9

Tritanopia (blue-blind)

#00647A

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #4b48bb;
/* rgb */ color: rgb(75, 72, 187);
/* oklch */ color: oklch(47.4% 0.176 278.5);

Tailwind

colors: {
  custom: {
    50: '#887bd0',
    500: '#4b48bb',
    950: '#000000',
  },
}

SCSS

$custom: #4b48bb;
$custom-light: #887bd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4b48bb",
  "rgb": {
    "r": 75,
    "g": 72,
    "b": 187
  },
  "hsl": {
    "h": 241.565,
    "s": 45.817,
    "l": 50.784
  },
  "oklch": {
    "l": 0.47423,
    "c": 0.17563,
    "h": 278.5
  },
  "luminance": 0.09718
}

Semantic roles & 50–950 ramp

primary

#4B48BB

secondary

#C8C996

accent

#D552D2

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0D0914

muted

#7D7B82

Preview Lab

Preview with #4B48BB

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

Preview Lab → · Contrast checker → · Palette generator →