#4F37D7#4F37D7

#4F37D7 is a mid, highly saturated blue. Relative luminance 0.093; OKLCH L 47.7% C 0.229 H 280.1°. Best body text is #FFFFFF at 7.34:1 contrast (WCAG AA passes).

Color values

HEX	#4F37D7
RGB	rgb(79, 55, 215)
HSL	hsl(249, 67%, 53%)
HSV	hsv(249, 74%, 84%)
CMYK	cmyk(63.3%, 74.4%, 0%, 15.7%)
CIE-LAB	lab(36.55, 54.37, -77.95)
CIE-LCH	lch(36.55, 95.04, 304.89°)
OKLab	oklab(47.69% 0.04 -0.225)
OKLCH	oklch(47.69% 0.229 280.1)
XYZ	xyz(16.8525, 9.2996, 65.1837)
Luminance	0.0930 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 1.51

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F37D7 #BFD737

analogous

#376FD7 #4F37D7 #9F37D7

triadic

#4F37D7 #D74F37 #37D74F

tetradic

#4F37D7 #D7376F #BFD737 #37D79F

square

#4F37D7 #D7376F #BFD737 #37D79F

split-complementary

#4F37D7 #D79F37 #6FD737

monochromatic

#27197B #3823AE #4F37D7 #7C6AE1 #A99DEB

Accessibility & contrast

On white

7.34

#4F37D7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#4F37D7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4F37D7

7.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F37D7	#FFFFFF	#000000	##FFFFFF
##4F37D7	1.00	7.34	2.86	7.34
#FFFFFF	7.34	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CDC

Deuteranopia (green-blind)

#0050D4

Tritanopia (blue-blind)

#006585

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #4f37d7;
/* rgb */ color: rgb(79, 55, 215);
/* oklch */ color: oklch(47.7% 0.229 280.1);

Tailwind

colors: {
  custom: {
    50: '#9171e5',
    500: '#4f37d7',
    950: '#000000',
  },
}

SCSS

$custom: #4f37d7;
$custom-light: #9171e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4f37d7",
  "rgb": {
    "r": 79,
    "g": 55,
    "b": 215
  },
  "hsl": {
    "h": 249,
    "s": 66.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.47694,
    "c": 0.22851,
    "h": 280.1
  },
  "luminance": 0.09301
}

Semantic roles & 50–950 ramp

primary

#4F37D7

secondary

#CDD792

accent

#EA3ED0

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0E0816

muted

#7E7B84

Preview Lab

Preview with #4F37D7

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

Preview Lab → · Contrast checker → · Palette generator →