#4740D8#4740D8

#4740D8 is a mid, highly saturated blue. Relative luminance 0.100; OKLCH L 48.4% C 0.222 H 276.2°. Best body text is #FFFFFF at 7.02:1 contrast (WCAG AA passes).

Color values

HEX	#4740D8
RGB	rgb(71, 64, 216)
HSL	hsl(243, 66%, 55%)
HSV	hsv(243, 70%, 85%)
CMYK	cmyk(67.1%, 70.4%, 0%, 15.3%)
CIE-LAB	lab(37.78, 48.94, -76.54)
CIE-LCH	lch(37.78, 90.84, 302.60°)
OKLab	oklab(48.44% 0.0239 -0.2211)
OKLCH	oklch(48.44% 0.222 276.2)
XYZ	xyz(16.8225, 9.9628, 65.9889)
Luminance	0.0996 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.90

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4740D8 #D1D840

analogous

#4085D8 #4740D8 #9340D8

triadic

#4740D8 #D84740 #40D847

tetradic

#4740D8 #D84085 #D1D840 #40D893

square

#4740D8 #D84085 #D1D840 #40D893

split-complementary

#4740D8 #D89340 #85D840

monochromatic

#201B83 #2C25B6 #4740D8 #7873E2 #A9A6ED

Accessibility & contrast

On white

7.02

#4740D8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#4740D8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4740D8

7.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4740D8	#FFFFFF	#000000	##FFFFFF
##4740D8	1.00	7.02	2.99	7.02
#FFFFFF	7.02	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FDD

Deuteranopia (green-blind)

#0052D5

Tritanopia (blue-blind)

#006A88

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #4740d8;
/* rgb */ color: rgb(71, 64, 216);
/* oklch */ color: oklch(48.4% 0.222 276.2);

Tailwind

colors: {
  custom: {
    50: '#8d76e5',
    500: '#4740d8',
    950: '#000000',
  },
}

SCSS

$custom: #4740d8;
$custom-light: #8d76e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4740d8",
  "rgb": {
    "r": 71,
    "g": 64,
    "b": 216
  },
  "hsl": {
    "h": 242.763,
    "s": 66.087,
    "l": 54.902
  },
  "oklch": {
    "l": 0.48437,
    "c": 0.22239,
    "h": 276.2
  },
  "luminance": 0.09964
}

Semantic roles & 50–950 ramp

primary

#4740D8

secondary

#D7DA9A

accent

#E93FE1

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4740D8

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

Preview Lab → · Contrast checker → · Palette generator →