#4743BB#4743BB

#4743BB is a mid, vivid blue. Relative luminance 0.089; OKLCH L 46.3% C 0.183 H 278.0°. Best body text is #FFFFFF at 7.53:1 contrast (WCAG AA passes).

Color values

HEX	#4743BB
RGB	rgb(71, 67, 187)
HSL	hsl(242, 47%, 50%)
HSV	hsv(242, 64%, 73%)
CMYK	cmyk(62%, 64.2%, 0%, 26.7%)
CIE-LAB	lab(35.87, 37.77, -62.80)
CIE-LCH	lch(35.87, 73.28, 301.02°)
OKLab	oklab(46.28% 0.0254 -0.1809)
OKLCH	oklch(46.28% 0.183 278)
XYZ	xyz(13.5724, 8.9407, 48.0146)
Luminance	0.0894 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.55

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4743BB #B7BB43

analogous

#437BBB #4743BB #8343BB

triadic

#4743BB #BB4743 #43BB47

tetradic

#4743BB #BB437B #B7BB43 #43BB83

square

#4743BB #BB437B #B7BB43 #43BB83

split-complementary

#4743BB #BB8343 #7BBB43

monochromatic

#252361 #36338E #4743BB #7370CC #9F9DDC

Accessibility & contrast

On white

7.53

#4743BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#4743BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4743BB

7.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4743BB	#FFFFFF	#000000	##FFFFFF
##4743BB	1.00	7.53	2.79	7.53
#FFFFFF	7.53	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059BF

Deuteranopia (green-blind)

#004FB9

Tritanopia (blue-blind)

#006179

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #4743bb;
/* rgb */ color: rgb(71, 67, 187);
/* oklch */ color: oklch(46.3% 0.183 278.0);

Tailwind

colors: {
  custom: {
    50: '#8778d0',
    500: '#4743bb',
    950: '#000000',
  },
}

SCSS

$custom: #4743bb;
$custom-light: #8778d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4743bb",
  "rgb": {
    "r": 71,
    "g": 67,
    "b": 187
  },
  "hsl": {
    "h": 242,
    "s": 47.244,
    "l": 49.804
  },
  "oklch": {
    "l": 0.46279,
    "c": 0.18265,
    "h": 278
  },
  "luminance": 0.08942
}

Semantic roles & 50–950 ramp

primary

#4743BB

secondary

#C6C892

accent

#D751D2

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #4743BB

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

Preview Lab → · Contrast checker → · Palette generator →