#4B37B2#4B37B2

#4B37B2 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.9% C 0.185 H 283.1°. Best body text is #FFFFFF at 8.44:1 contrast (WCAG AA passes).

Color values

HEX	#4B37B2
RGB	rgb(75, 55, 178)
HSL	hsl(250, 53%, 46%)
HSV	hsv(250, 69%, 70%)
CMYK	cmyk(57.9%, 69.1%, 0%, 30.2%)
CIE-LAB	lab(32.79, 42.60, -62.50)
CIE-LCH	lch(32.79, 75.64, 304.28°)
OKLab	oklab(43.9% 0.042 -0.1799)
OKLCH	oklch(43.9% 0.185 283.1)
XYZ	xyz(12.3012, 7.4418, 42.8991)
Luminance	0.0744 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.93

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B37B2 #9EB237

analogous

#3760B2 #4B37B2 #8837B2

triadic

#4B37B2 #B24B37 #37B24B

tetradic

#4B37B2 #B23760 #9EB237 #37B288

square

#4B37B2 #B23760 #9EB237 #37B288

split-complementary

#4B37B2 #B28837 #60B237

monochromatic

#241A54 #372983 #4B37B2 #6D5ACC #9689DB

Accessibility & contrast

On white

8.44

#4B37B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#4B37B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B37B2

8.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B37B2	#FFFFFF	#000000	##FFFFFF
##4B37B2	1.00	8.44	2.49	8.44
#FFFFFF	8.44	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B6

Deuteranopia (green-blind)

#0049B0

Tritanopia (blue-blind)

#115770

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #4b37b2;
/* rgb */ color: rgb(75, 55, 178);
/* oklch */ color: oklch(43.9% 0.185 283.1);

Tailwind

colors: {
  custom: {
    50: '#8870ca',
    500: '#4b37b2',
    950: '#000000',
  },
}

SCSS

$custom: #4b37b2;
$custom-light: #8870ca;
$custom-dark: #000000;

JSON

{
  "hex": "#4b37b2",
  "rgb": {
    "r": 75,
    "g": 55,
    "b": 178
  },
  "hsl": {
    "h": 249.756,
    "s": 52.79,
    "l": 45.686
  },
  "oklch": {
    "l": 0.43896,
    "c": 0.18471,
    "h": 283.1
  },
  "luminance": 0.07443
}

Semantic roles & 50–950 ramp

primary

#4B37B2

secondary

#B9C580

accent

#DC4CC5

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0D0713

muted

#7D7A82

Preview Lab

Preview with #4B37B2

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

Preview Lab → · Contrast checker → · Palette generator →