#4740AF#4740AF

#4740AF is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.7% C 0.171 H 279.8°. Best body text is #FFFFFF at 8.01:1 contrast (WCAG AA passes).

Color values

HEX	#4740AF
RGB	rgb(71, 64, 175)
HSL	hsl(244, 46%, 47%)
HSV	hsv(244, 63%, 69%)
CMYK	cmyk(59.4%, 63.4%, 0%, 31.4%)
CIE-LAB	lab(34.19, 35.65, -58.44)
CIE-LCH	lch(34.19, 68.45, 301.38°)
OKLab	oklab(44.75% 0.029 -0.1681)
OKLCH	oklch(44.75% 0.171 279.8)
XYZ	xyz(12.1673, 8.1007, 41.4715)
Luminance	0.0810 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.55

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4740AF #A8AF40

analogous

#4071AF #4740AF #7F40AF

triadic

#4740AF #AF4740 #40AF47

tetradic

#4740AF #AF4071 #A8AF40 #40AF7F

square

#4740AF #AF4071 #A8AF40 #40AF7F

split-complementary

#4740AF #AF7F40 #71AF40

monochromatic

#231F55 #353082 #4740AF #6C65C7 #9792D7

Accessibility & contrast

On white

8.01

#4740AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#4740AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4740AF

8.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4740AF	#FFFFFF	#000000	##FFFFFF
##4740AF	1.00	8.01	2.62	8.01
#FFFFFF	8.01	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B3

Deuteranopia (green-blind)

#004CAD

Tritanopia (blue-blind)

#005C71

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #4740af;
/* rgb */ color: rgb(71, 64, 175);
/* oklch */ color: oklch(44.7% 0.171 279.8);

Tailwind

colors: {
  custom: {
    50: '#8575c8',
    500: '#4740af',
    950: '#000000',
  },
}

SCSS

$custom: #4740af;
$custom-light: #8575c8;
$custom-dark: #000000;

JSON

{
  "hex": "#4740af",
  "rgb": {
    "r": 71,
    "g": 64,
    "b": 175
  },
  "hsl": {
    "h": 243.784,
    "s": 46.444,
    "l": 46.863
  },
  "oklch": {
    "l": 0.44748,
    "c": 0.17057,
    "h": 279.8
  },
  "luminance": 0.08102
}

Semantic roles & 50–950 ramp

primary

#4740AF

secondary

#BFC388

accent

#D652CE

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #4740AF

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

Preview Lab → · Contrast checker → · Palette generator →