#4740D9#4740D9

#4740D9 is a mid, highly saturated blue. Relative luminance 0.100; OKLCH L 48.5% C 0.224 H 276.1°. Best body text is #FFFFFF at 6.99:1 contrast (WCAG AA passes).

Color values

HEX	#4740D9
RGB	rgb(71, 64, 217)
HSL	hsl(243, 67%, 55%)
HSV	hsv(243, 71%, 85%)
CMYK	cmyk(67.3%, 70.5%, 0%, 14.9%)
CIE-LAB	lab(37.87, 49.26, -76.96)
CIE-LCH	lch(37.87, 91.37, 302.62°)
OKLab	oklab(48.53% 0.0238 -0.2223)
OKLCH	oklch(48.53% 0.224 276.1)
XYZ	xyz(16.9522, 10.0146, 66.6718)
Luminance	0.1002 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.96

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4740D9 #D2D940

analogous

#4086D9 #4740D9 #9340D9

triadic

#4740D9 #D94740 #40D947

tetradic

#4740D9 #D94086 #D2D940 #40D993

square

#4740D9 #D94086 #D2D940 #40D993

split-complementary

#4740D9 #D99340 #86D940

monochromatic

#1F1A84 #2B24B7 #4740D9 #7873E3 #A9A6ED

Accessibility & contrast

On white

6.99

#4740D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.00

#4740D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4740D9

6.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4740D9	#FFFFFF	#000000	##FFFFFF
##4740D9	1.00	6.99	3.00	6.99
#FFFFFF	6.99	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	6.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060DE

Deuteranopia (green-blind)

#0052D6

Tritanopia (blue-blind)

#006A88

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #4740d9;
/* rgb */ color: rgb(71, 64, 217);
/* oklch */ color: oklch(48.5% 0.224 276.1);

Tailwind

colors: {
  custom: {
    50: '#8d76e6',
    500: '#4740d9',
    950: '#000000',
  },
}

SCSS

$custom: #4740d9;
$custom-light: #8d76e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4740d9",
  "rgb": {
    "r": 71,
    "g": 64,
    "b": 217
  },
  "hsl": {
    "h": 242.745,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.48532,
    "c": 0.2236,
    "h": 276.1
  },
  "luminance": 0.10016
}

Semantic roles & 50–950 ramp

primary

#4740D9

secondary

#D8DA9A

accent

#EA3EE2

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4740D9

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

Preview Lab → · Contrast checker → · Palette generator →