#4B37BA#4B37BA

#4B37BA is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.6% C 0.195 H 282.0°. Best body text is #FFFFFF at 8.22:1 contrast (WCAG AA passes).

Color values

HEX	#4B37BA
RGB	rgb(75, 55, 186)
HSL	hsl(249, 54%, 47%)
HSV	hsv(249, 70%, 73%)
CMYK	cmyk(59.7%, 70.4%, 0%, 27.1%)
CIE-LAB	lab(33.50, 45.08, -66.07)
CIE-LCH	lch(33.50, 79.98, 304.30°)
OKLab	oklab(44.63% 0.0406 -0.1903)
OKLCH	oklch(44.63% 0.195 282)
XYZ	xyz(13.1280, 7.7725, 47.2533)
Luminance	0.0777 (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

#4B37BA #A6BA37

analogous

#3765BA #4B37BA #8C37BA

triadic

#4B37BA #BA4B37 #37BA4B

tetradic

#4B37BA #BA3765 #A6BA37 #37BA8C

square

#4B37BA #BA3765 #A6BA37 #37BA8C

split-complementary

#4B37BA #BA8C37 #65BA37

monochromatic

#251B5C #38298B #4B37BA #705FD0 #9A8EDE

Accessibility & contrast

On white

8.22

#4B37BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#4B37BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B37BA

8.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B37BA	#FFFFFF	#000000	##FFFFFF
##4B37BA	1.00	8.22	2.55	8.22
#FFFFFF	8.22	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053BE

Deuteranopia (green-blind)

#004AB8

Tritanopia (blue-blind)

#005A74

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #4b37ba;
/* rgb */ color: rgb(75, 55, 186);
/* oklch */ color: oklch(44.6% 0.195 282.0);

Tailwind

colors: {
  custom: {
    50: '#8a70d0',
    500: '#4b37ba',
    950: '#000000',
  },
}

SCSS

$custom: #4b37ba;
$custom-light: #8a70d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4b37ba",
  "rgb": {
    "r": 75,
    "g": 55,
    "b": 186
  },
  "hsl": {
    "h": 249.16,
    "s": 54.357,
    "l": 47.255
  },
  "oklch": {
    "l": 0.44625,
    "c": 0.19463,
    "h": 282
  },
  "luminance": 0.07773
}

Semantic roles & 50–950 ramp

primary

#4B37BA

secondary

#BEC885

accent

#DE4AC7

background

#F9F6FC

surface

#F1ECF9

border

#CBC7D2

text

#0D0714

muted

#7E7A82

Preview Lab

Preview with #4B37BA

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

Preview Lab → · Contrast checker → · Palette generator →