#4737BC#4737BC

#4737BC is a dark, vivid blue. Relative luminance 0.077; OKLCH L 44.5% C 0.198 H 280.1°. Best body text is #FFFFFF at 8.27:1 contrast (WCAG AA passes).

Color values

HEX	#4737BC
RGB	rgb(71, 55, 188)
HSL	hsl(247, 55%, 48%)
HSV	hsv(247, 71%, 74%)
CMYK	cmyk(62.2%, 70.7%, 0%, 26.3%)
CIE-LAB	lab(33.35, 45.14, -67.51)
CIE-LCH	lch(33.35, 81.21, 303.77°)
OKLab	oklab(44.49% 0.0348 -0.1947)
OKLCH	oklch(44.49% 0.198 280.1)
XYZ	xyz(13.0389, 7.7018, 48.3667)
Luminance	0.0770 (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

#4737BC #ACBC37

analogous

#3769BC #4737BC #8937BC

triadic

#4737BC #BC4737 #37BC47

tetradic

#4737BC #BC3769 #ACBC37 #37BC89

square

#4737BC #BC3769 #ACBC37 #37BC89

split-complementary

#4737BC #BC8937 #69BC37

monochromatic

#231B5D #35298D #4737BC #6D60D0 #998FDE

Accessibility & contrast

On white

8.27

#4737BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#4737BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4737BC

8.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4737BC	#FFFFFF	#000000	##FFFFFF
##4737BC	1.00	8.27	2.54	8.27
#FFFFFF	8.27	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053C0

Deuteranopia (green-blind)

#0049BA

Tritanopia (blue-blind)

#005B76

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #4737bc;
/* rgb */ color: rgb(71, 55, 188);
/* oklch */ color: oklch(44.5% 0.198 280.1);

Tailwind

colors: {
  custom: {
    50: '#8870d1',
    500: '#4737bc',
    950: '#000000',
  },
}

SCSS

$custom: #4737bc;
$custom-light: #8870d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4737bc",
  "rgb": {
    "r": 71,
    "g": 55,
    "b": 188
  },
  "hsl": {
    "h": 247.218,
    "s": 54.733,
    "l": 47.647
  },
  "oklch": {
    "l": 0.4449,
    "c": 0.19777,
    "h": 280.1
  },
  "luminance": 0.07703
}

Semantic roles & 50–950 ramp

primary

#4737BC

secondary

#C1C986

accent

#DE4ACC

background

#F9F6FD

surface

#F1ECFA

border

#CBC7D3

text

#0D0714

muted

#7E7A83

Preview Lab

Preview with #4737BC

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

Preview Lab → · Contrast checker → · Palette generator →