#4F47E0#4F47E0

#4F47E0 is a mid, highly saturated blue. Relative luminance 0.116; OKLCH L 50.7% C 0.223 H 277.2°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#4F47E0
RGB	rgb(79, 71, 224)
HSL	hsl(243, 71%, 58%)
HSV	hsv(243, 68%, 88%)
CMYK	cmyk(64.7%, 68.3%, 0%, 12.2%)
CIE-LAB	lab(40.49, 48.49, -76.63)
CIE-LCH	lch(40.49, 90.69, 302.32°)
OKLab	oklab(50.75% 0.028 -0.2212)
OKLCH	oklch(50.75% 0.223 277.2)
XYZ	xyz(18.9279, 11.5490, 71.7383)
Luminance	0.1155 (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

#4F47E0 #D8E047

analogous

#478CE0 #4F47E0 #9B47E0

triadic

#4F47E0 #E04F47 #47E04F

tetradic

#4F47E0 #E0478C #D8E047 #47E09B

square

#4F47E0 #E0478C #D8E047 #47E09B

split-complementary

#4F47E0 #E09B47 #8CE047

monochromatic

#1F1994 #2A22C8 #4F47E0 #817BE9 #B3B0F2

Accessibility & contrast

On white

6.34

#4F47E0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#4F47E0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F47E0

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F47E0	#FFFFFF	#000000	##FFFFFF
##4F47E0	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066E5

Deuteranopia (green-blind)

#0059DD

Tritanopia (blue-blind)

#00708E

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #4f47e0;
/* rgb */ color: rgb(79, 71, 224);
/* oklch */ color: oklch(50.7% 0.223 277.2);

Tailwind

colors: {
  custom: {
    50: '#917beb',
    500: '#4f47e0',
    950: '#000000',
  },
}

SCSS

$custom: #4f47e0;
$custom-light: #917beb;
$custom-dark: #000000;

JSON

{
  "hex": "#4f47e0",
  "rgb": {
    "r": 79,
    "g": 71,
    "b": 224
  },
  "hsl": {
    "h": 243.137,
    "s": 71.163,
    "l": 57.843
  },
  "oklch": {
    "l": 0.50748,
    "c": 0.22296,
    "h": 277.2
  },
  "luminance": 0.11551
}

Semantic roles & 50–950 ramp

primary

#4F47E0

secondary

#DDE0A3

accent

#EE3AE5

background

#F9F7FE

surface

#F2EEFD

border

#CCC9D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4F47E0

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

Preview Lab → · Contrast checker → · Palette generator →