#4F37E0#4F37E0

#4F37E0 is a mid, highly saturated blue. Relative luminance 0.098; OKLCH L 48.6% C 0.239 H 279.1°. Best body text is #FFFFFF at 7.11:1 contrast (WCAG AA passes).

Color values

HEX	#4F37E0
RGB	rgb(79, 55, 224)
HSL	hsl(249, 73%, 55%)
HSV	hsv(249, 75%, 88%)
CMYK	cmyk(64.7%, 75.4%, 0%, 12.2%)
CIE-LAB	lab(37.44, 57.02, -81.66)
CIE-LCH	lch(37.44, 99.60, 304.93°)
OKLab	oklab(48.58% 0.0379 -0.2358)
OKLCH	oklch(48.58% 0.239 279.1)
XYZ	xyz(18.0409, 9.7750, 71.4426)
Luminance	0.0978 (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

#4F37E0 #C8E037

analogous

#3773E0 #4F37E0 #A437E0

triadic

#4F37E0 #E04F37 #37E04F

tetradic

#4F37E0 #E03773 #C8E037 #37E0A4

square

#4F37E0 #E03773 #C8E037 #37E0A4

split-complementary

#4F37E0 #E0A437 #73E037

monochromatic

#251588 #341DBD #4F37E0 #7E6CE8 #ACA1F0

Accessibility & contrast

On white

7.11

#4F37E0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#4F37E0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4F37E0

7.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F37E0	#FFFFFF	#000000	##FFFFFF
##4F37E0	1.00	7.11	2.96	7.11
#FFFFFF	7.11	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EE5

Deuteranopia (green-blind)

#0051DD

Tritanopia (blue-blind)

#00688A

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #4f37e0;
/* rgb */ color: rgb(79, 55, 224);
/* oklch */ color: oklch(48.6% 0.239 279.1);

Tailwind

colors: {
  custom: {
    50: '#9272eb',
    500: '#4f37e0',
    950: '#000000',
  },
}

SCSS

$custom: #4f37e0;
$custom-light: #9272eb;
$custom-dark: #000000;

JSON

{
  "hex": "#4f37e0",
  "rgb": {
    "r": 79,
    "g": 55,
    "b": 224
  },
  "hsl": {
    "h": 248.521,
    "s": 73.16,
    "l": 54.706
  },
  "oklch": {
    "l": 0.48576,
    "c": 0.23883,
    "h": 279.1
  },
  "luminance": 0.09776
}

Semantic roles & 50–950 ramp

primary

#4F37E0

secondary

#D3DD96

accent

#F038D6

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0F0816

muted

#7E7B84

Preview Lab

Preview with #4F37E0

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

Preview Lab → · Contrast checker → · Palette generator →