#4F42BA#4F42BA

#4F42BA is a mid, vivid blue. Relative luminance 0.091; OKLCH L 46.6% C 0.181 H 281.7°. Best body text is #FFFFFF at 7.44:1 contrast (WCAG AA passes).

Color values

HEX	#4F42BA
RGB	rgb(79, 66, 186)
HSL	hsl(247, 48%, 49%)
HSV	hsv(247, 65%, 73%)
CMYK	cmyk(57.5%, 64.5%, 0%, 27.1%)
CIE-LAB	lab(36.18, 39.34, -61.68)
CIE-LCH	lch(36.18, 73.16, 302.53°)
OKLab	oklab(46.64% 0.0366 -0.1773)
OKLCH	oklch(46.64% 0.181 281.7)
XYZ	xyz(14.0328, 9.1029, 47.4624)
Luminance	0.0910 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 0.72

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F42BA #ADBA42

analogous

#4271BA #4F42BA #8B42BA

triadic

#4F42BA #BA4F42 #42BA4F

tetradic

#4F42BA #BA4271 #ADBA42 #42BA8B

square

#4F42BA #BA4271 #ADBA42 #42BA8B

split-complementary

#4F42BA #BA8B42 #71BA42

monochromatic

#292260 #3C328D #4F42BA #786ECB #A29BDB

Accessibility & contrast

On white

7.44

#4F42BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#4F42BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4F42BA

7.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F42BA	#FFFFFF	#000000	##FFFFFF
##4F42BA	1.00	7.44	2.82	7.44
#FFFFFF	7.44	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059BE

Deuteranopia (green-blind)

#0051B8

Tritanopia (blue-blind)

#126078

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #4f42ba;
/* rgb */ color: rgb(79, 66, 186);
/* oklch */ color: oklch(46.6% 0.181 281.7);

Tailwind

colors: {
  custom: {
    50: '#8b77d0',
    500: '#4f42ba',
    950: '#000000',
  },
}

SCSS

$custom: #4f42ba;
$custom-light: #8b77d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4f42ba",
  "rgb": {
    "r": 79,
    "g": 66,
    "b": 186
  },
  "hsl": {
    "h": 246.5,
    "s": 47.619,
    "l": 49.412
  },
  "oklch": {
    "l": 0.46638,
    "c": 0.18109,
    "h": 281.7
  },
  "luminance": 0.09104
}

Semantic roles & 50–950 ramp

primary

#4F42BA

secondary

#C2C890

accent

#D751C9

background

#F9F7FC

surface

#F1EDF9

border

#CBC8D2

text

#0D0914

muted

#7E7B82

Preview Lab

Preview with #4F42BA

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

Preview Lab → · Contrast checker → · Palette generator →