#4D42BB#4D42BB

#4D42BB is a mid, vivid blue. Relative luminance 0.091; OKLCH L 46.6% C 0.183 H 280.7°. Best body text is #FFFFFF at 7.47:1 contrast (WCAG AA passes).

Color values

HEX	#4D42BB
RGB	rgb(77, 66, 187)
HSL	hsl(245, 48%, 50%)
HSV	hsv(245, 65%, 73%)
CMYK	cmyk(58.8%, 64.7%, 0%, 26.7%)
CIE-LAB	lab(36.10, 39.33, -62.40)
CIE-LCH	lch(36.10, 73.76, 302.22°)
OKLab	oklab(46.56% 0.0339 -0.1795)
OKLCH	oklch(46.56% 0.183 280.7)
XYZ	xyz(13.9756, 9.0611, 48.0166)
Luminance	0.0906 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 0.92

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D42BB #B0BB42

analogous

#4273BB #4D42BB #8A42BB

triadic

#4D42BB #BB4D42 #42BB4D

tetradic

#4D42BB #BB4273 #B0BB42 #42BB8A

square

#4D42BB #BB4273 #B0BB42 #42BB8A

split-complementary

#4D42BB #BB8A42 #73BB42

monochromatic

#282261 #3A328E #4D42BB #776ECC #A19CDC

Accessibility & contrast

On white

7.47

#4D42BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#4D42BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D42BB

7.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D42BB	#FFFFFF	#000000	##FFFFFF
##4D42BB	1.00	7.47	2.81	7.47
#FFFFFF	7.47	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059BF

Deuteranopia (green-blind)

#0050B9

Tritanopia (blue-blind)

#016078

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #4d42bb;
/* rgb */ color: rgb(77, 66, 187);
/* oklch */ color: oklch(46.6% 0.183 280.7);

Tailwind

colors: {
  custom: {
    50: '#8a77d0',
    500: '#4d42bb',
    950: '#000000',
  },
}

SCSS

$custom: #4d42bb;
$custom-light: #8a77d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4d42bb",
  "rgb": {
    "r": 77,
    "g": 66,
    "b": 187
  },
  "hsl": {
    "h": 245.455,
    "s": 47.826,
    "l": 49.608
  },
  "oklch": {
    "l": 0.46564,
    "c": 0.18271,
    "h": 280.7
  },
  "luminance": 0.09062
}

Semantic roles & 50–950 ramp

primary

#4D42BB

secondary

#C3C891

accent

#D750CB

background

#F9F7FC

surface

#F1EDF9

border

#CBC8D2

text

#0D0914

muted

#7E7B82

Preview Lab

Preview with #4D42BB

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

Preview Lab → · Contrast checker → · Palette generator →