#4B37C5#4B37C5

#4B37C5 is a mid, highly saturated blue. Relative luminance 0.083; OKLCH L 45.7% C 0.208 H 280.7°. Best body text is #FFFFFF at 7.92:1 contrast (WCAG AA passes).

Color values

HEX	#4B37C5
RGB	rgb(75, 55, 197)
HSL	hsl(248, 56%, 49%)
HSV	hsv(248, 72%, 77%)
CMYK	cmyk(61.9%, 72.1%, 0%, 22.7%)
CIE-LAB	lab(34.52, 48.46, -70.87)
CIE-LCH	lch(34.52, 85.85, 304.36°)
OKLab	oklab(45.65% 0.0385 -0.2044)
OKLCH	oklch(45.65% 0.208 280.7)
XYZ	xyz(14.3427, 8.2584, 53.6507)
Luminance	0.0826 (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

#4B37C5 #B1C537

analogous

#376AC5 #4B37C5 #9237C5

triadic

#4B37C5 #C54B37 #37C54B

tetradic

#4B37C5 #C5376A #B1C537 #37C592

square

#4B37C5 #C5376A #B1C537 #37C592

split-complementary

#4B37C5 #C59237 #6AC537

monochromatic

#271C65 #392A95 #4B37C5 #7565D4 #A095E1

Accessibility & contrast

On white

7.92

#4B37C5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#4B37C5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B37C5

7.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B37C5	#FFFFFF	#000000	##FFFFFF
##4B37C5	1.00	7.92	2.65	7.92
#FFFFFF	7.92	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056C9

Deuteranopia (green-blind)

#004CC2

Tritanopia (blue-blind)

#005E7B

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #4b37c5;
/* rgb */ color: rgb(75, 55, 197);
/* oklch */ color: oklch(45.7% 0.208 280.7);

Tailwind

colors: {
  custom: {
    50: '#8c70d8',
    500: '#4b37c5',
    950: '#000000',
  },
}

SCSS

$custom: #4b37c5;
$custom-light: #8c70d8;
$custom-dark: #000000;

JSON

{
  "hex": "#4b37c5",
  "rgb": {
    "r": 75,
    "g": 55,
    "b": 197
  },
  "hsl": {
    "h": 248.451,
    "s": 56.349,
    "l": 49.412
  },
  "oklch": {
    "l": 0.45653,
    "c": 0.208,
    "h": 280.7
  },
  "luminance": 0.08259
}

Semantic roles & 50–950 ramp

primary

#4B37C5

secondary

#C3CD8B

accent

#E048CA

background

#F9F6FD

surface

#F2ECFB

border

#CCC7D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4B37C5

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

Preview Lab → · Contrast checker → · Palette generator →