#4B37BD#4B37BD

#4B37BD is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.9% C 0.198 H 281.6°. Best body text is #FFFFFF at 8.14:1 contrast (WCAG AA passes).

Color values

HEX	#4B37BD
RGB	rgb(75, 55, 189)
HSL	hsl(249, 55%, 48%)
HSV	hsv(249, 71%, 74%)
CMYK	cmyk(60.3%, 70.9%, 0%, 25.9%)
CIE-LAB	lab(33.78, 46.00, -67.39)
CIE-LCH	lch(33.78, 81.59, 304.32°)
OKLab	oklab(44.9% 0.04 -0.1942)
OKLCH	oklch(44.9% 0.198 281.6)
XYZ	xyz(13.4503, 7.9014, 48.9506)
Luminance	0.0790 (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

#4B37BD #A9BD37

analogous

#3766BD #4B37BD #8E37BD

triadic

#4B37BD #BD4B37 #37BD4B

tetradic

#4B37BD #BD3766 #A9BD37 #37BD8E

square

#4B37BD #BD3766 #A9BD37 #37BD8E

split-complementary

#4B37BD #BD8E37 #66BD37

monochromatic

#251B5E #38298E #4B37BD #7160D1 #9C90DF

Accessibility & contrast

On white

8.14

#4B37BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#4B37BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B37BD

8.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B37BD	#FFFFFF	#000000	##FFFFFF
##4B37BD	1.00	8.14	2.58	8.14
#FFFFFF	8.14	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C1

Deuteranopia (green-blind)

#004BBA

Tritanopia (blue-blind)

#005B76

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #4b37bd;
/* rgb */ color: rgb(75, 55, 189);
/* oklch */ color: oklch(44.9% 0.198 281.6);

Tailwind

colors: {
  custom: {
    50: '#8a70d2',
    500: '#4b37bd',
    950: '#000000',
  },
}

SCSS

$custom: #4b37bd;
$custom-light: #8a70d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4b37bd",
  "rgb": {
    "r": 75,
    "g": 55,
    "b": 189
  },
  "hsl": {
    "h": 248.955,
    "s": 54.918,
    "l": 47.843
  },
  "oklch": {
    "l": 0.44902,
    "c": 0.19831,
    "h": 281.6
  },
  "luminance": 0.07902
}

Semantic roles & 50–950 ramp

primary

#4B37BD

secondary

#BFC986

accent

#DE4AC8

background

#F9F6FD

surface

#F1ECFA

border

#CBC7D3

text

#0D0714

muted

#7E7A83

Preview Lab

Preview with #4B37BD

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

Preview Lab → · Contrast checker → · Palette generator →