#4737AD#4737AD

#4737AD is a dark, vivid blue. Relative luminance 0.071; OKLCH L 43.1% C 0.179 H 282.0°. Best body text is #FFFFFF at 8.69:1 contrast (WCAG AA passes).

Color values

HEX	#4737AD
RGB	rgb(71, 55, 173)
HSL	hsl(248, 52%, 45%)
HSV	hsv(248, 68%, 68%)
CMYK	cmyk(59%, 68.2%, 0%, 32.2%)
CIE-LAB	lab(32.01, 40.41, -60.81)
CIE-LCH	lch(32.01, 73.01, 303.60°)
OKLab	oklab(43.11% 0.0372 -0.1751)
OKLCH	oklch(43.11% 0.179 282)
XYZ	xyz(11.5052, 7.0883, 40.2890)
Luminance	0.0709 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 3.21

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4737AD #9DAD37

analogous

#3762AD #4737AD #8237AD

triadic

#4737AD #AD4737 #37AD47

tetradic

#4737AD #AD3762 #9DAD37 #37AD82

square

#4737AD #AD3762 #9DAD37 #37AD82

split-complementary

#4737AD #AD8237 #62AD37

monochromatic

#211950 #34287F #4737AD #6757CA #9186D8

Accessibility & contrast

On white

8.69

#4737AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#4737AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4737AD

8.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4737AD	#FFFFFF	#000000	##FFFFFF
##4737AD	1.00	8.69	2.42	8.69
#FFFFFF	8.69	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB1

Deuteranopia (green-blind)

#0047AB

Tritanopia (blue-blind)

#05566D

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #4737ad;
/* rgb */ color: rgb(71, 55, 173);
/* oklch */ color: oklch(43.1% 0.179 282.0);

Tailwind

colors: {
  custom: {
    50: '#856fc6',
    500: '#4737ad',
    950: '#000000',
  },
}

SCSS

$custom: #4737ad;
$custom-light: #856fc6;
$custom-dark: #000000;

JSON

{
  "hex": "#4737ad",
  "rgb": {
    "r": 71,
    "g": 55,
    "b": 173
  },
  "hsl": {
    "h": 248.136,
    "s": 51.754,
    "l": 44.706
  },
  "oklch": {
    "l": 0.43112,
    "c": 0.179,
    "h": 282
  },
  "luminance": 0.07089
}

Semantic roles & 50–950 ramp

primary

#4737AD

secondary

#B9C27D

accent

#DB4DC8

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4737AD

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

Preview Lab → · Contrast checker → · Palette generator →