#4F47BC#4F47BC

#4F47BC is a mid, vivid blue. Relative luminance 0.098; OKLCH L 47.6% C 0.177 H 280.3°. Best body text is #FFFFFF at 7.09:1 contrast (WCAG AA passes).

Color values

HEX	#4F47BC
RGB	rgb(79, 71, 188)
HSL	hsl(244, 47%, 51%)
HSV	hsv(244, 62%, 74%)
CMYK	cmyk(58%, 62.2%, 0%, 26.3%)
CIE-LAB	lab(37.48, 36.97, -60.74)
CIE-LCH	lch(37.48, 71.11, 301.33°)
OKLab	oklab(47.63% 0.0318 -0.1746)
OKLCH	oklch(47.63% 0.177 280.3)
XYZ	xyz(14.5519, 9.7986, 48.6917)
Luminance	0.0980 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.73

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F47BC #B4BC47

analogous

#4779BC #4F47BC #8A47BC

triadic

#4F47BC #BC4F47 #47BC4F

tetradic

#4F47BC #BC4779 #B4BC47 #47BC8A

square

#4F47BC #BC4779 #B4BC47 #47BC8A

split-complementary

#4F47BC #BC8A47 #79BC47

monochromatic

#292464 #3B3591 #4F47BC #7A74CC #A5A1DD

Accessibility & contrast

On white

7.09

#4F47BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#4F47BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4F47BC

7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F47BC	#FFFFFF	#000000	##FFFFFF
##4F47BC	1.00	7.09	2.96	7.09
#FFFFFF	7.09	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DC0

Deuteranopia (green-blind)

#0054BA

Tritanopia (blue-blind)

#0B647B

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #4f47bc;
/* rgb */ color: rgb(79, 71, 188);
/* oklch */ color: oklch(47.6% 0.177 280.3);

Tailwind

colors: {
  custom: {
    50: '#8b7bd1',
    500: '#4f47bc',
    950: '#000000',
  },
}

SCSS

$custom: #4f47bc;
$custom-light: #8b7bd1;
$custom-dark: #000000;

JSON

{
  "hex": "#4f47bc",
  "rgb": {
    "r": 79,
    "g": 71,
    "b": 188
  },
  "hsl": {
    "h": 244.103,
    "s": 46.614,
    "l": 50.784
  },
  "oklch": {
    "l": 0.47633,
    "c": 0.17745,
    "h": 280.3
  },
  "luminance": 0.098
}

Semantic roles & 50–950 ramp

primary

#4F47BC

secondary

#C6C995

accent

#D652CD

background

#F9F7FC

surface

#F1EEF9

border

#CBC9D2

text

#0D0914

muted

#7E7B82

Preview Lab

Preview with #4F47BC

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

Preview Lab → · Contrast checker → · Palette generator →