#4B4BBC#4B4BBC

#4B4BBC is a mid, vivid blue. Relative luminance 0.102; OKLCH L 48.0% C 0.173 H 277.7°. Best body text is #FFFFFF at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#4B4BBC
RGB	rgb(75, 75, 188)
HSL	hsl(240, 46%, 52%)
HSV	hsv(240, 60%, 74%)
CMYK	cmyk(60.1%, 60.1%, 0%, 26.3%)
CIE-LAB	lab(38.12, 33.82, -59.70)
CIE-LCH	lch(38.12, 68.62, 299.53°)
OKLab	oklab(48.03% 0.0231 -0.1716)
OKLCH	oklch(48.03% 0.173 277.7)
XYZ	xyz(14.4919, 10.1578, 48.7642)
Luminance	0.1016 (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

#4B4BBC #BCBC4B

analogous

#4B84BC #4B4BBC #844BBC

triadic

#4B4BBC #BC4B4B #4BBC4B

tetradic

#4B4BBC #BC4B84 #BCBC4B #4BBC84

square

#4B4BBC #BC4B84 #BCBC4B #4BBC84

split-complementary

#4B4BBC #BC844B #84BC4B

monochromatic

#262666 #373793 #4B4BBC #7878CD #A4A4DD

Accessibility & contrast

On white

6.93

#4B4BBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#4B4BBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B4BBC

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B4BBC	#FFFFFF	#000000	##FFFFFF
##4B4BBC	1.00	6.93	3.03	6.93
#FFFFFF	6.93	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FC0

Deuteranopia (green-blind)

#0055BA

Tritanopia (blue-blind)

#00667C

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #4b4bbc;
/* rgb */ color: rgb(75, 75, 188);
/* oklch */ color: oklch(48.0% 0.173 277.7);

Tailwind

colors: {
  custom: {
    50: '#887dd1',
    500: '#4b4bbc',
    950: '#000000',
  },
}

SCSS

$custom: #4b4bbc;
$custom-light: #887dd1;
$custom-dark: #000000;

JSON

{
  "hex": "#4b4bbc",
  "rgb": {
    "r": 75,
    "g": 75,
    "b": 188
  },
  "hsl": {
    "h": 240,
    "s": 45.749,
    "l": 51.569
  },
  "oklch": {
    "l": 0.48032,
    "c": 0.17317,
    "h": 277.7
  },
  "luminance": 0.10159
}

Semantic roles & 50–950 ramp

primary

#4B4BBC

secondary

#CACA99

accent

#D552D5

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0D0914

muted

#7D7B82

Preview Lab

Preview with #4B4BBC

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

Preview Lab → · Contrast checker → · Palette generator →