#4F41BB#4F41BB

#4F41BB is a mid, vivid blue. Relative luminance 0.090; OKLCH L 46.6% C 0.184 H 281.8°. Best body text is #FFFFFF at 7.48:1 contrast (WCAG AA passes).

Color values

HEX	#4F41BB
RGB	rgb(79, 65, 187)
HSL	hsl(247, 48%, 49%)
HSV	hsv(247, 65%, 73%)
CMYK	cmyk(57.8%, 65.2%, 0%, 26.7%)
CIE-LAB	lab(36.04, 40.25, -62.49)
CIE-LCH	lch(36.04, 74.34, 302.79°)
OKLab	oklab(46.56% 0.0374 -0.1797)
OKLCH	oklch(46.56% 0.184 281.8)
XYZ	xyz(14.0816, 9.0298, 48.0050)
Luminance	0.0903 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 0.91

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F41BB #ADBB41

analogous

#4170BB #4F41BB #8C41BB

triadic

#4F41BB #BB4F41 #41BB4F

tetradic

#4F41BB #BB4170 #ADBB41 #41BB8C

square

#4F41BB #BB4170 #ADBB41 #41BB8C

split-complementary

#4F41BB #BB8C41 #70BB41

monochromatic

#292160 #3C318E #4F41BB #786DCC #A29ADC

Accessibility & contrast

On white

7.48

#4F41BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#4F41BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4F41BB

7.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F41BB	#FFFFFF	#000000	##FFFFFF
##4F41BB	1.00	7.48	2.81	7.48
#FFFFFF	7.48	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059BF

Deuteranopia (green-blind)

#0050B9

Tritanopia (blue-blind)

#106078

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #4f41bb;
/* rgb */ color: rgb(79, 65, 187);
/* oklch */ color: oklch(46.6% 0.184 281.8);

Tailwind

colors: {
  custom: {
    50: '#8b77d0',
    500: '#4f41bb',
    950: '#000000',
  },
}

SCSS

$custom: #4f41bb;
$custom-light: #8b77d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4f41bb",
  "rgb": {
    "r": 79,
    "g": 65,
    "b": 187
  },
  "hsl": {
    "h": 246.885,
    "s": 48.413,
    "l": 49.412
  },
  "oklch": {
    "l": 0.46561,
    "c": 0.1836,
    "h": 281.8
  },
  "luminance": 0.09031
}

Semantic roles & 50–950 ramp

primary

#4F41BB

secondary

#C2C890

accent

#D850C8

background

#F9F7FC

surface

#F1EDF9

border

#CBC8D2

text

#0D0814

muted

#7E7B82

Preview Lab

Preview with #4F41BB

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

Preview Lab → · Contrast checker → · Palette generator →