#4D37BD#4D37BD

#4D37BD is a mid, vivid blue. Relative luminance 0.080; OKLCH L 45.1% C 0.198 H 282.5°. Best body text is #FFFFFF at 8.09:1 contrast (WCAG AA passes).

Color values

HEX	#4D37BD
RGB	rgb(77, 55, 189)
HSL	hsl(250, 55%, 48%)
HSV	hsv(250, 71%, 74%)
CMYK	cmyk(59.3%, 70.9%, 0%, 25.9%)
CIE-LAB	lab(33.95, 46.28, -67.10)
CIE-LCH	lch(33.95, 81.52, 304.60°)
OKLab	oklab(45.07% 0.0428 -0.1933)
OKLCH	oklch(45.07% 0.198 282.5)
XYZ	xyz(13.6092, 7.9834, 48.9580)
Luminance	0.0798 (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

#4D37BD #A7BD37

analogous

#3764BD #4D37BD #9037BD

triadic

#4D37BD #BD4D37 #37BD4D

tetradic

#4D37BD #BD3764 #A7BD37 #37BD90

square

#4D37BD #BD3764 #A7BD37 #37BD90

split-complementary

#4D37BD #BD9037 #64BD37

monochromatic

#261B5E #3A298E #4D37BD #7360D1 #9D90DF

Accessibility & contrast

On white

8.09

#4D37BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#4D37BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D37BD

8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D37BD	#FFFFFF	#000000	##FFFFFF
##4D37BD	1.00	8.09	2.60	8.09
#FFFFFF	8.09	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C1

Deuteranopia (green-blind)

#004BBA

Tritanopia (blue-blind)

#005B76

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #4d37bd;
/* rgb */ color: rgb(77, 55, 189);
/* oklch */ color: oklch(45.1% 0.198 282.5);

Tailwind

colors: {
  custom: {
    50: '#8b70d2',
    500: '#4d37bd',
    950: '#000000',
  },
}

SCSS

$custom: #4d37bd;
$custom-light: #8b70d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4d37bd",
  "rgb": {
    "r": 77,
    "g": 55,
    "b": 189
  },
  "hsl": {
    "h": 249.851,
    "s": 54.918,
    "l": 47.843
  },
  "oklch": {
    "l": 0.45067,
    "c": 0.198,
    "h": 282.5
  },
  "luminance": 0.07984
}

Semantic roles & 50–950 ramp

primary

#4D37BD

secondary

#BEC986

accent

#DE4AC6

background

#F9F6FD

surface

#F1ECFA

border

#CBC7D3

text

#0D0814

muted

#7E7B83

Preview Lab

Preview with #4D37BD

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

Preview Lab → · Contrast checker → · Palette generator →