#4737BD#4737BD

#4737BD is a dark, vivid blue. Relative luminance 0.077; OKLCH L 44.6% C 0.199 H 280.0°. Best body text is #FFFFFF at 8.24:1 contrast (WCAG AA passes).

Color values

HEX	#4737BD
RGB	rgb(71, 55, 189)
HSL	hsl(247, 55%, 48%)
HSV	hsv(247, 71%, 74%)
CMYK	cmyk(62.4%, 70.9%, 0%, 25.9%)
CIE-LAB	lab(33.45, 45.45, -67.95)
CIE-LCH	lch(33.45, 81.75, 303.78°)
OKLab	oklab(44.58% 0.0346 -0.196)
OKLCH	oklch(44.58% 0.199 280)
XYZ	xyz(13.1471, 7.7451, 48.9364)
Luminance	0.0775 (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

#4737BD #ADBD37

analogous

#376ABD #4737BD #8A37BD

triadic

#4737BD #BD4737 #37BD47

tetradic

#4737BD #BD376A #ADBD37 #37BD8A

square

#4737BD #BD376A #ADBD37 #37BD8A

split-complementary

#4737BD #BD8A37 #6ABD37

monochromatic

#231B5E #35298E #4737BD #6E60D1 #9990DF

Accessibility & contrast

On white

8.24

#4737BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#4737BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4737BD

8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4737BD	#FFFFFF	#000000	##FFFFFF
##4737BD	1.00	8.24	2.55	8.24
#FFFFFF	8.24	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C1

Deuteranopia (green-blind)

#0049BA

Tritanopia (blue-blind)

#005B76

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #4737bd;
/* rgb */ color: rgb(71, 55, 189);
/* oklch */ color: oklch(44.6% 0.199 280.0);

Tailwind

colors: {
  custom: {
    50: '#8870d2',
    500: '#4737bd',
    950: '#000000',
  },
}

SCSS

$custom: #4737bd;
$custom-light: #8870d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4737bd",
  "rgb": {
    "r": 71,
    "g": 55,
    "b": 189
  },
  "hsl": {
    "h": 247.164,
    "s": 54.918,
    "l": 47.843
  },
  "oklch": {
    "l": 0.44584,
    "c": 0.199,
    "h": 280
  },
  "luminance": 0.07746
}

Semantic roles & 50–950 ramp

primary

#4737BD

secondary

#C1C986

accent

#DE4ACC

background

#F9F6FD

surface

#F1ECFA

border

#CBC7D3

text

#0D0714

muted

#7E7A83

Preview Lab

Preview with #4737BD

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

Preview Lab → · Contrast checker → · Palette generator →