#4F47CB#4F47CB

#4F47CB is a mid, vivid blue. Relative luminance 0.105; OKLCH L 48.9% C 0.197 H 278.9°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#4F47CB
RGB	rgb(79, 71, 203)
HSL	hsl(244, 56%, 54%)
HSV	hsv(244, 65%, 80%)
CMYK	cmyk(61.1%, 65%, 0%, 20.4%)
CIE-LAB	lab(38.69, 41.80, -67.51)
CIE-LCH	lch(38.69, 79.40, 301.76°)
OKLab	oklab(48.89% 0.0306 -0.1945)
OKLCH	oklch(48.89% 0.197 278.9)
XYZ	xyz(16.2537, 10.4793, 57.6545)
Luminance	0.1048 (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

#4F47CB #C3CB47

analogous

#4781CB #4F47CB #9147CB

triadic

#4F47CB #CB4F47 #47CB4F

tetradic

#4F47CB #CB4781 #C3CB47 #47CB91

square

#4F47CB #CB4781 #C3CB47 #47CB91

split-complementary

#4F47CB #CB9147 #81CB47

monochromatic

#272176 #362FA6 #4F47CB #7D77D8 #AAA6E6

Accessibility & contrast

On white

6.78

#4F47CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#4F47CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F47CB

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F47CB	#FFFFFF	#000000	##FFFFFF
##4F47CB	1.00	6.78	3.10	6.78
#FFFFFF	6.78	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060CF

Deuteranopia (green-blind)

#0056C8

Tritanopia (blue-blind)

#006983

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #4f47cb;
/* rgb */ color: rgb(79, 71, 203);
/* oklch */ color: oklch(48.9% 0.197 278.9);

Tailwind

colors: {
  custom: {
    50: '#8d7bdc',
    500: '#4f47cb',
    950: '#000000',
  },
}

SCSS

$custom: #4f47cb;
$custom-light: #8d7bdc;
$custom-dark: #000000;

JSON

{
  "hex": "#4f47cb",
  "rgb": {
    "r": 79,
    "g": 71,
    "b": 203
  },
  "hsl": {
    "h": 243.636,
    "s": 55.932,
    "l": 53.725
  },
  "oklch": {
    "l": 0.48893,
    "c": 0.19685,
    "h": 278.9
  },
  "luminance": 0.10481
}

Semantic roles & 50–950 ramp

primary

#4F47CB

secondary

#D0D39B

accent

#DF49D6

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #4F47CB

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

Preview Lab → · Contrast checker → · Palette generator →