#4740D7#4740D7

#4740D7 is a mid, highly saturated blue. Relative luminance 0.099; OKLCH L 48.3% C 0.221 H 276.3°. Best body text is #FFFFFF at 7.04:1 contrast (WCAG AA passes).

Color values

HEX	#4740D7
RGB	rgb(71, 64, 215)
HSL	hsl(243, 65%, 55%)
HSV	hsv(243, 70%, 84%)
CMYK	cmyk(67%, 70.2%, 0%, 15.7%)
CIE-LAB	lab(37.68, 48.62, -76.11)
CIE-LCH	lch(37.68, 90.32, 302.57°)
OKLab	oklab(48.34% 0.0241 -0.2199)
OKLCH	oklch(48.34% 0.221 276.3)
XYZ	xyz(16.6937, 9.9112, 65.3101)
Luminance	0.0991 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4740D7 #D0D740

analogous

#4085D7 #4740D7 #9240D7

triadic

#4740D7 #D74740 #40D747

tetradic

#4740D7 #D74085 #D0D740 #40D792

square

#4740D7 #D74085 #D0D740 #40D792

split-complementary

#4740D7 #D79240 #85D740

monochromatic

#201B81 #2C26B4 #4740D7 #7873E2 #A8A5EC

Accessibility & contrast

On white

7.04

#4740D7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#4740D7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4740D7

7.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4740D7	#FFFFFF	#000000	##FFFFFF
##4740D7	1.00	7.04	2.98	7.04
#FFFFFF	7.04	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FDC

Deuteranopia (green-blind)

#0052D4

Tritanopia (blue-blind)

#006A87

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #4740d7;
/* rgb */ color: rgb(71, 64, 215);
/* oklch */ color: oklch(48.3% 0.221 276.3);

Tailwind

colors: {
  custom: {
    50: '#8c76e5',
    500: '#4740d7',
    950: '#000000',
  },
}

SCSS

$custom: #4740d7;
$custom-light: #8c76e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4740d7",
  "rgb": {
    "r": 71,
    "g": 64,
    "b": 215
  },
  "hsl": {
    "h": 242.781,
    "s": 65.368,
    "l": 54.706
  },
  "oklch": {
    "l": 0.48343,
    "c": 0.22118,
    "h": 276.3
  },
  "luminance": 0.09913
}

Semantic roles & 50–950 ramp

primary

#4740D7

secondary

#D6D99A

accent

#E83FE1

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4740D7

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

Preview Lab → · Contrast checker → · Palette generator →