#4740B2#4740B2

#4740B2 is a mid, vivid blue. Relative luminance 0.082; OKLCH L 45.0% C 0.175 H 279.5°. Best body text is #FFFFFF at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#4740B2
RGB	rgb(71, 64, 178)
HSL	hsl(244, 47%, 47%)
HSV	hsv(244, 64%, 70%)
CMYK	cmyk(60.1%, 64%, 0%, 30.2%)
CIE-LAB	lab(34.44, 36.63, -59.82)
CIE-LCH	lch(34.44, 70.15, 301.48°)
OKLab	oklab(45% 0.0288 -0.1721)
OKLCH	oklch(45% 0.175 279.5)
XYZ	xyz(12.4653, 8.2198, 43.0406)
Luminance	0.0822 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.35

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4740B2 #ABB240

analogous

#4072B2 #4740B2 #8040B2

triadic

#4740B2 #B24740 #40B247

tetradic

#4740B2 #B24072 #ABB240 #40B280

square

#4740B2 #B24072 #ABB240 #40B280

split-complementary

#4740B2 #B28040 #72B240

monochromatic

#232058 #353085 #4740B2 #6D67C8 #9894D8

Accessibility & contrast

On white

7.94

#4740B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#4740B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4740B2

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4740B2	#FFFFFF	#000000	##FFFFFF
##4740B2	1.00	7.94	2.64	7.94
#FFFFFF	7.94	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B6

Deuteranopia (green-blind)

#004CB0

Tritanopia (blue-blind)

#005D73

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #4740b2;
/* rgb */ color: rgb(71, 64, 178);
/* oklch */ color: oklch(45.0% 0.175 279.5);

Tailwind

colors: {
  custom: {
    50: '#8575ca',
    500: '#4740b2',
    950: '#000000',
  },
}

SCSS

$custom: #4740b2;
$custom-light: #8575ca;
$custom-dark: #000000;

JSON

{
  "hex": "#4740b2",
  "rgb": {
    "r": 71,
    "g": 64,
    "b": 178
  },
  "hsl": {
    "h": 243.684,
    "s": 47.107,
    "l": 47.451
  },
  "oklch": {
    "l": 0.45003,
    "c": 0.17454,
    "h": 279.5
  },
  "luminance": 0.08221
}

Semantic roles & 50–950 ramp

primary

#4740B2

secondary

#C0C48A

accent

#D751CF

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #4740B2

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

Preview Lab → · Contrast checker → · Palette generator →