#4B37E0#4B37E0

#4B37E0 is a mid, highly saturated blue. Relative luminance 0.096; OKLCH L 48.3% C 0.240 H 277.8°. Best body text is #FFFFFF at 7.19:1 contrast (WCAG AA passes).

Color values

HEX	#4B37E0
RGB	rgb(75, 55, 224)
HSL	hsl(247, 73%, 55%)
HSV	hsv(247, 75%, 88%)
CMYK	cmyk(66.5%, 75.4%, 0%, 12.2%)
CIE-LAB	lab(37.13, 56.61, -82.18)
CIE-LCH	lch(37.13, 99.79, 304.56°)
OKLab	oklab(48.29% 0.0326 -0.2374)
OKLCH	oklch(48.29% 0.24 277.8)
XYZ	xyz(17.7180, 9.6085, 71.4275)
Luminance	0.0961 (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

#4B37E0 #CCE037

analogous

#3777E0 #4B37E0 #A037E0

triadic

#4B37E0 #E04B37 #37E04B

tetradic

#4B37E0 #E03777 #CCE037 #37E0A0

square

#4B37E0 #E03777 #CCE037 #37E0A0

split-complementary

#4B37E0 #E0A037 #77E037

monochromatic

#231588 #301DBD #4B37E0 #7B6CE8 #AAA1F0

Accessibility & contrast

On white

7.19

#4B37E0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#4B37E0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B37E0

7.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B37E0	#FFFFFF	#000000	##FFFFFF
##4B37E0	1.00	7.19	2.92	7.19
#FFFFFF	7.19	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EE5

Deuteranopia (green-blind)

#0050DD

Tritanopia (blue-blind)

#00698A

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #4b37e0;
/* rgb */ color: rgb(75, 55, 224);
/* oklch */ color: oklch(48.3% 0.240 277.8);

Tailwind

colors: {
  custom: {
    50: '#9171eb',
    500: '#4b37e0',
    950: '#000000',
  },
}

SCSS

$custom: #4b37e0;
$custom-light: #9171eb;
$custom-dark: #000000;

JSON

{
  "hex": "#4b37e0",
  "rgb": {
    "r": 75,
    "g": 55,
    "b": 224
  },
  "hsl": {
    "h": 247.101,
    "s": 73.16,
    "l": 54.706
  },
  "oklch": {
    "l": 0.48285,
    "c": 0.23963,
    "h": 277.8
  },
  "luminance": 0.0961
}

Semantic roles & 50–950 ramp

primary

#4B37E0

secondary

#D5DD96

accent

#F038DA

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0816

muted

#7E7B84

Preview Lab

Preview with #4B37E0

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

Preview Lab → · Contrast checker → · Palette generator →