#4737AE#4737AE

#4737AE is a dark, vivid blue. Relative luminance 0.071; OKLCH L 43.2% C 0.180 H 281.9°. Best body text is #FFFFFF at 8.66:1 contrast (WCAG AA passes).

Color values

HEX	#4737AE
RGB	rgb(71, 55, 174)
HSL	hsl(248, 52%, 45%)
HSV	hsv(248, 68%, 68%)
CMYK	cmyk(59.2%, 68.4%, 0%, 31.8%)
CIE-LAB	lab(32.09, 40.73, -61.27)
CIE-LCH	lch(32.09, 73.57, 303.61°)
OKLab	oklab(43.2% 0.0371 -0.1764)
OKLCH	oklch(43.2% 0.18 281.9)
XYZ	xyz(11.6023, 7.1272, 40.8005)
Luminance	0.0713 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 3.16

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4737AE #9EAE37

analogous

#3763AE #4737AE #8237AE

triadic

#4737AE #AE4737 #37AE47

tetradic

#4737AE #AE3763 #9EAE37 #37AE82

square

#4737AE #AE3763 #9EAE37 #37AE82

split-complementary

#4737AE #AE8237 #63AE37

monochromatic

#211A51 #34287F #4737AE #6758CA #9286D9

Accessibility & contrast

On white

8.66

#4737AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#4737AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4737AE

8.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4737AE	#FFFFFF	#000000	##FFFFFF
##4737AE	1.00	8.66	2.43	8.66
#FFFFFF	8.66	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B2

Deuteranopia (green-blind)

#0047AC

Tritanopia (blue-blind)

#02566E

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #4737ae;
/* rgb */ color: rgb(71, 55, 174);
/* oklch */ color: oklch(43.2% 0.180 281.9);

Tailwind

colors: {
  custom: {
    50: '#856fc7',
    500: '#4737ae',
    950: '#000000',
  },
}

SCSS

$custom: #4737ae;
$custom-light: #856fc7;
$custom-dark: #000000;

JSON

{
  "hex": "#4737ae",
  "rgb": {
    "r": 71,
    "g": 55,
    "b": 174
  },
  "hsl": {
    "h": 248.067,
    "s": 51.965,
    "l": 44.902
  },
  "oklch": {
    "l": 0.43202,
    "c": 0.18027,
    "h": 281.9
  },
  "luminance": 0.07128
}

Semantic roles & 50–950 ramp

primary

#4737AE

secondary

#BAC37E

accent

#DB4CC8

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4737AE

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

Preview Lab → · Contrast checker → · Palette generator →