#4F42BB#4F42BB

#4F42BB is a mid, vivid blue. Relative luminance 0.091; OKLCH L 46.7% C 0.182 H 281.5°. Best body text is #FFFFFF at 7.42:1 contrast (WCAG AA passes).

Color values

HEX	#4F42BB
RGB	rgb(79, 66, 187)
HSL	hsl(246, 48%, 50%)
HSV	hsv(246, 65%, 73%)
CMYK	cmyk(57.8%, 64.7%, 0%, 26.7%)
CIE-LAB	lab(36.26, 39.66, -62.13)
CIE-LCH	lch(36.26, 73.71, 302.55°)
OKLab	oklab(46.72% 0.0365 -0.1787)
OKLCH	oklch(46.72% 0.182 281.5)
XYZ	xyz(14.1395, 9.1456, 48.0243)
Luminance	0.0915 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 0.87

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F42BB #AEBB42

analogous

#4272BB #4F42BB #8B42BB

triadic

#4F42BB #BB4F42 #42BB4F

tetradic

#4F42BB #BB4272 #AEBB42 #42BB8B

square

#4F42BB #BB4272 #AEBB42 #42BB8B

split-complementary

#4F42BB #BB8B42 #72BB42

monochromatic

#292261 #3C328E #4F42BB #786ECC #A29CDC

Accessibility & contrast

On white

7.42

#4F42BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#4F42BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4F42BB

7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F42BB	#FFFFFF	#000000	##FFFFFF
##4F42BB	1.00	7.42	2.83	7.42
#FFFFFF	7.42	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ABF

Deuteranopia (green-blind)

#0051B9

Tritanopia (blue-blind)

#106078

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #4f42bb;
/* rgb */ color: rgb(79, 66, 187);
/* oklch */ color: oklch(46.7% 0.182 281.5);

Tailwind

colors: {
  custom: {
    50: '#8b77d0',
    500: '#4f42bb',
    950: '#000000',
  },
}

SCSS

$custom: #4f42bb;
$custom-light: #8b77d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4f42bb",
  "rgb": {
    "r": 79,
    "g": 66,
    "b": 187
  },
  "hsl": {
    "h": 246.446,
    "s": 47.826,
    "l": 49.608
  },
  "oklch": {
    "l": 0.46722,
    "c": 0.18238,
    "h": 281.5
  },
  "luminance": 0.09147
}

Semantic roles & 50–950 ramp

primary

#4F42BB

secondary

#C2C891

accent

#D750C9

background

#F9F7FC

surface

#F1EDF9

border

#CBC8D2

text

#0D0914

muted

#7E7B82

Preview Lab

Preview with #4F42BB

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

Preview Lab → · Contrast checker → · Palette generator →