#4742BF#4742BF

#4742BF is a mid, vivid blue. Relative luminance 0.090; OKLCH L 46.5% C 0.189 H 277.9°. Best body text is #FFFFFF at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#4742BF
RGB	rgb(71, 66, 191)
HSL	hsl(242, 49%, 50%)
HSV	hsv(242, 65%, 75%)
CMYK	cmyk(62.8%, 65.4%, 0%, 25.1%)
CIE-LAB	lab(35.98, 39.69, -64.97)
CIE-LCH	lch(35.98, 76.14, 301.42°)
OKLab	oklab(46.46% 0.0258 -0.1873)
OKLCH	oklch(46.46% 0.189 277.9)
XYZ	xyz(13.9477, 8.9965, 50.2816)
Luminance	0.0900 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.82

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4742BF #BABF42

analogous

#427BBF #4742BF #8542BF

triadic

#4742BF #BF4742 #42BF47

tetradic

#4742BF #BF427B #BABF42 #42BF85

square

#4742BF #BF427B #BABF42 #42BF85

split-complementary

#4742BF #BF8542 #7BBF42

monochromatic

#252265 #353292 #4742BF #7470CE #A09DDE

Accessibility & contrast

On white

7.50

#4742BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#4742BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4742BF

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4742BF	#FFFFFF	#000000	##FFFFFF
##4742BF	1.00	7.50	2.80	7.50
#FFFFFF	7.50	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AC3

Deuteranopia (green-blind)

#004FBD

Tritanopia (blue-blind)

#00627A

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #4742bf;
/* rgb */ color: rgb(71, 66, 191);
/* oklch */ color: oklch(46.5% 0.189 277.9);

Tailwind

colors: {
  custom: {
    50: '#8877d3',
    500: '#4742bf',
    950: '#000000',
  },
}

SCSS

$custom: #4742bf;
$custom-light: #8877d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4742bf",
  "rgb": {
    "r": 71,
    "g": 66,
    "b": 191
  },
  "hsl": {
    "h": 242.4,
    "s": 49.407,
    "l": 50.392
  },
  "oklch": {
    "l": 0.46461,
    "c": 0.18903,
    "h": 277.9
  },
  "luminance": 0.08998
}

Semantic roles & 50–950 ramp

primary

#4742BF

secondary

#C8CA93

accent

#D94FD3

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0D0914

muted

#7D7B83

Preview Lab

Preview with #4742BF

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

Preview Lab → · Contrast checker → · Palette generator →