#4D37BE#4D37BE

#4D37BE is a mid, vivid blue. Relative luminance 0.080; OKLCH L 45.2% C 0.199 H 282.4°. Best body text is #FFFFFF at 8.06:1 contrast (WCAG AA passes).

Color values

HEX	#4D37BE
RGB	rgb(77, 55, 190)
HSL	hsl(250, 55%, 48%)
HSV	hsv(250, 71%, 75%)
CMYK	cmyk(59.5%, 71.1%, 0%, 25.5%)
CIE-LAB	lab(34.04, 46.59, -67.54)
CIE-LCH	lch(34.04, 82.05, 304.60°)
OKLab	oklab(45.16% 0.0426 -0.1946)
OKLCH	oklch(45.16% 0.199 282.4)
XYZ	xyz(13.7181, 8.0269, 49.5317)
Luminance	0.0803 (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

#4D37BE #A8BE37

analogous

#3764BE #4D37BE #9037BE

triadic

#4D37BE #BE4D37 #37BE4D

tetradic

#4D37BE #BE3764 #A8BE37 #37BE90

square

#4D37BE #BE3764 #A8BE37 #37BE90

split-complementary

#4D37BE #BE9037 #64BE37

monochromatic

#271C5F #3A298F #4D37BE #7361D1 #9D90DF

Accessibility & contrast

On white

8.06

#4D37BE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#4D37BE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D37BE

8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D37BE	#FFFFFF	#000000	##FFFFFF
##4D37BE	1.00	8.06	2.61	8.06
#FFFFFF	8.06	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C2

Deuteranopia (green-blind)

#004BBB

Tritanopia (blue-blind)

#005B77

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #4d37be;
/* rgb */ color: rgb(77, 55, 190);
/* oklch */ color: oklch(45.2% 0.199 282.4);

Tailwind

colors: {
  custom: {
    50: '#8b70d3',
    500: '#4d37be',
    950: '#000000',
  },
}

SCSS

$custom: #4d37be;
$custom-light: #8b70d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4d37be",
  "rgb": {
    "r": 77,
    "g": 55,
    "b": 190
  },
  "hsl": {
    "h": 249.778,
    "s": 55.102,
    "l": 48.039
  },
  "oklch": {
    "l": 0.45159,
    "c": 0.19922,
    "h": 282.4
  },
  "luminance": 0.08028
}

Semantic roles & 50–950 ramp

primary

#4D37BE

secondary

#BFCA87

accent

#DE49C6

background

#F9F6FD

surface

#F1ECFA

border

#CBC7D3

text

#0D0814

muted

#7E7B83

Preview Lab

Preview with #4D37BE

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

Preview Lab → · Contrast checker → · Palette generator →