#4743BF#4743BF

#4743BF is a mid, vivid blue. Relative luminance 0.091; OKLCH L 46.6% C 0.188 H 277.7°. Best body text is #FFFFFF at 7.44:1 contrast (WCAG AA passes).

Color values

HEX	#4743BF
RGB	rgb(71, 67, 191)
HSL	hsl(242, 49%, 51%)
HSV	hsv(242, 65%, 75%)
CMYK	cmyk(62.8%, 64.9%, 0%, 25.1%)
CIE-LAB	lab(36.20, 39.08, -64.60)
CIE-LCH	lch(36.20, 75.51, 301.17°)
OKLab	oklab(46.63% 0.025 -0.1862)
OKLCH	oklch(46.63% 0.188 277.7)
XYZ	xyz(14.0066, 9.1144, 50.3013)
Luminance	0.0911 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.87

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4743BF #BBBF43

analogous

#437DBF #4743BF #8543BF

triadic

#4743BF #BF4743 #43BF47

tetradic

#4743BF #BF437D #BBBF43 #43BF85

square

#4743BF #BF437D #BBBF43 #43BF85

split-complementary

#4743BF #BF8543 #7DBF43

monochromatic

#252265 #353293 #4743BF #7471CF #A09EDE

Accessibility & contrast

On white

7.44

#4743BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#4743BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4743BF

7.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4743BF	#FFFFFF	#000000	##FFFFFF
##4743BF	1.00	7.44	2.82	7.44
#FFFFFF	7.44	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AC3

Deuteranopia (green-blind)

#0050BD

Tritanopia (blue-blind)

#00637B

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #4743bf;
/* rgb */ color: rgb(71, 67, 191);
/* oklch */ color: oklch(46.6% 0.188 277.7);

Tailwind

colors: {
  custom: {
    50: '#8878d3',
    500: '#4743bf',
    950: '#000000',
  },
}

SCSS

$custom: #4743bf;
$custom-light: #8878d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4743bf",
  "rgb": {
    "r": 71,
    "g": 67,
    "b": 191
  },
  "hsl": {
    "h": 241.935,
    "s": 49.206,
    "l": 50.588
  },
  "oklch": {
    "l": 0.46626,
    "c": 0.18785,
    "h": 277.7
  },
  "luminance": 0.09115
}

Semantic roles & 50–950 ramp

primary

#4743BF

secondary

#C9CA93

accent

#D94FD4

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0D0914

muted

#7D7B83

Preview Lab

Preview with #4743BF

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

Preview Lab → · Contrast checker → · Palette generator →