#4742BB#4742BB

#4742BB is a mid, vivid blue. Relative luminance 0.088; OKLCH L 46.1% C 0.184 H 278.2°. Best body text is #FFFFFF at 7.60:1 contrast (WCAG AA passes).

Color values

HEX	#4742BB
RGB	rgb(71, 66, 187)
HSL	hsl(242, 48%, 50%)
HSV	hsv(242, 65%, 73%)
CMYK	cmyk(62%, 64.7%, 0%, 26.7%)
CIE-LAB	lab(35.64, 38.37, -63.17)
CIE-LCH	lch(35.64, 73.92, 301.28°)
OKLab	oklab(46.11% 0.0262 -0.182)
OKLCH	oklch(46.11% 0.184 278.2)
XYZ	xyz(13.5135, 8.8228, 47.9949)
Luminance	0.0882 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.47

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4742BB #B6BB42

analogous

#427ABB #4742BB #8342BB

triadic

#4742BB #BB4742 #42BB47

tetradic

#4742BB #BB427A #B6BB42 #42BB83

square

#4742BB #BB427A #B6BB42 #42BB83

split-complementary

#4742BB #BB8342 #7ABB42

monochromatic

#252261 #36328E #4742BB #726ECC #9E9CDC

Accessibility & contrast

On white

7.60

#4742BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#4742BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4742BB

7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4742BB	#FFFFFF	#000000	##FFFFFF
##4742BB	1.00	7.60	2.76	7.60
#FFFFFF	7.60	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059BF

Deuteranopia (green-blind)

#004FB9

Tritanopia (blue-blind)

#006178

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #4742bb;
/* rgb */ color: rgb(71, 66, 187);
/* oklch */ color: oklch(46.1% 0.184 278.2);

Tailwind

colors: {
  custom: {
    50: '#8777d0',
    500: '#4742bb',
    950: '#000000',
  },
}

SCSS

$custom: #4742bb;
$custom-light: #8777d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4742bb",
  "rgb": {
    "r": 71,
    "g": 66,
    "b": 187
  },
  "hsl": {
    "h": 242.479,
    "s": 47.826,
    "l": 49.608
  },
  "oklch": {
    "l": 0.46112,
    "c": 0.18386,
    "h": 278.2
  },
  "luminance": 0.08824
}

Semantic roles & 50–950 ramp

primary

#4742BB

secondary

#C6C891

accent

#D750D2

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #4742BB

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

Preview Lab → · Contrast checker → · Palette generator →