#4B37C8#4B37C8

#4B37C8 is a mid, highly saturated blue. Relative luminance 0.084; OKLCH L 45.9% C 0.212 H 280.3°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#4B37C8
RGB	rgb(75, 55, 200)
HSL	hsl(248, 57%, 50%)
HSV	hsv(248, 73%, 78%)
CMYK	cmyk(62.5%, 72.5%, 0%, 21.6%)
CIE-LAB	lab(34.80, 49.37, -72.16)
CIE-LCH	lch(34.80, 87.44, 304.38°)
OKLab	oklab(45.94% 0.0379 -0.2082)
OKLCH	oklch(45.94% 0.212 280.3)
XYZ	xyz(14.6899, 8.3972, 55.4791)
Luminance	0.0840 (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

#4B37C8 #B4C837

analogous

#376BC8 #4B37C8 #9437C8

triadic

#4B37C8 #C84B37 #37C84B

tetradic

#4B37C8 #C8376B #B4C837 #37C894

square

#4B37C8 #C8376B #B4C837 #37C894

split-complementary

#4B37C8 #C89437 #6BC837

monochromatic

#271D68 #392A98 #4B37C8 #7667D5 #A197E2

Accessibility & contrast

On white

7.84

#4B37C8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#4B37C8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B37C8

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B37C8	#FFFFFF	#000000	##FFFFFF
##4B37C8	1.00	7.84	2.68	7.84
#FFFFFF	7.84	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057CC

Deuteranopia (green-blind)

#004CC5

Tritanopia (blue-blind)

#005F7C

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #4b37c8;
/* rgb */ color: rgb(75, 55, 200);
/* oklch */ color: oklch(45.9% 0.212 280.3);

Tailwind

colors: {
  custom: {
    50: '#8c70da',
    500: '#4b37c8',
    950: '#000000',
  },
}

SCSS

$custom: #4b37c8;
$custom-light: #8c70da;
$custom-dark: #000000;

JSON

{
  "hex": "#4b37c8",
  "rgb": {
    "r": 75,
    "g": 55,
    "b": 200
  },
  "hsl": {
    "h": 248.276,
    "s": 56.863,
    "l": 50
  },
  "oklch": {
    "l": 0.45938,
    "c": 0.2116,
    "h": 280.3
  },
  "luminance": 0.08398
}

Semantic roles & 50–950 ramp

primary

#4B37C8

secondary

#C5CE8D

accent

#E048CB

background

#F9F6FD

surface

#F2ECFB

border

#CCC7D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4B37C8

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

Preview Lab → · Contrast checker → · Palette generator →