#4B37C7#4B37C7

#4B37C7 is a mid, highly saturated blue. Relative luminance 0.084; OKLCH L 45.8% C 0.210 H 280.4°. Best body text is #FFFFFF at 7.86:1 contrast (WCAG AA passes).

Color values

HEX	#4B37C7
RGB	rgb(75, 55, 199)
HSL	hsl(248, 57%, 50%)
HSV	hsv(248, 72%, 78%)
CMYK	cmyk(62.3%, 72.4%, 0%, 22%)
CIE-LAB	lab(34.70, 49.07, -71.73)
CIE-LCH	lch(34.70, 86.91, 304.37°)
OKLab	oklab(45.84% 0.0381 -0.2069)
OKLCH	oklch(45.84% 0.21 280.4)
XYZ	xyz(14.5734, 8.3507, 54.8656)
Luminance	0.0835 (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

#4B37C7 #B3C737

analogous

#376BC7 #4B37C7 #9337C7

triadic

#4B37C7 #C74B37 #37C74B

tetradic

#4B37C7 #C7376B #B3C737 #37C793

square

#4B37C7 #C7376B #B3C737 #37C793

split-complementary

#4B37C7 #C79337 #6BC737

monochromatic

#271C67 #392A97 #4B37C7 #7666D5 #A196E2

Accessibility & contrast

On white

7.86

#4B37C7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#4B37C7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B37C7

7.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B37C7	#FFFFFF	#000000	##FFFFFF
##4B37C7	1.00	7.86	2.67	7.86
#FFFFFF	7.86	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057CB

Deuteranopia (green-blind)

#004CC4

Tritanopia (blue-blind)

#005F7C

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #4b37c7;
/* rgb */ color: rgb(75, 55, 199);
/* oklch */ color: oklch(45.8% 0.210 280.4);

Tailwind

colors: {
  custom: {
    50: '#8c70d9',
    500: '#4b37c7',
    950: '#000000',
  },
}

SCSS

$custom: #4b37c7;
$custom-light: #8c70d9;
$custom-dark: #000000;

JSON

{
  "hex": "#4b37c7",
  "rgb": {
    "r": 75,
    "g": 55,
    "b": 199
  },
  "hsl": {
    "h": 248.333,
    "s": 56.693,
    "l": 49.804
  },
  "oklch": {
    "l": 0.45842,
    "c": 0.2104,
    "h": 280.4
  },
  "luminance": 0.08352
}

Semantic roles & 50–950 ramp

primary

#4B37C7

secondary

#C4CD8C

accent

#E048CB

background

#F9F6FD

surface

#F2ECFB

border

#CCC7D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4B37C7

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

Preview Lab → · Contrast checker → · Palette generator →