#4F40B7#4F40B7

#4F40B7 is a mid, vivid blue. Relative luminance 0.087; OKLCH L 46.1% C 0.180 H 282.5°. Best body text is #FFFFFF at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#4F40B7
RGB	rgb(79, 64, 183)
HSL	hsl(248, 48%, 48%)
HSV	hsv(248, 65%, 72%)
CMYK	cmyk(56.8%, 65%, 0%, 28.2%)
CIE-LAB	lab(35.49, 39.58, -61.03)
CIE-LCH	lch(35.49, 72.74, 302.97°)
OKLab	oklab(46.06% 0.0388 -0.1755)
OKLCH	oklch(46.06% 0.18 282.5)
XYZ	xyz(13.6024, 8.7471, 45.7621)
Luminance	0.0875 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 0.64

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F40B7 #A8B740

analogous

#406CB7 #4F40B7 #8A40B7

triadic

#4F40B7 #B74F40 #40B74F

tetradic

#4F40B7 #B7406C #A8B740 #40B78A

square

#4F40B7 #B7406C #A8B740 #40B78A

split-complementary

#4F40B7 #B78A40 #6CB740

monochromatic

#28205C #3B308A #4F40B7 #7669CB #9F97DB

Accessibility & contrast

On white

7.64

#4F40B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#4F40B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4F40B7

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F40B7	#FFFFFF	#000000	##FFFFFF
##4F40B7	1.00	7.64	2.75	7.64
#FFFFFF	7.64	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057BB

Deuteranopia (green-blind)

#004FB5

Tritanopia (blue-blind)

#195E76

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4f40b7;
/* rgb */ color: rgb(79, 64, 183);
/* oklch */ color: oklch(46.1% 0.180 282.5);

Tailwind

colors: {
  custom: {
    50: '#8b76ce',
    500: '#4f40b7',
    950: '#000000',
  },
}

SCSS

$custom: #4f40b7;
$custom-light: #8b76ce;
$custom-dark: #000000;

JSON

{
  "hex": "#4f40b7",
  "rgb": {
    "r": 79,
    "g": 64,
    "b": 183
  },
  "hsl": {
    "h": 247.563,
    "s": 48.178,
    "l": 48.431
  },
  "oklch": {
    "l": 0.46061,
    "c": 0.17969,
    "h": 282.5
  },
  "luminance": 0.08748
}

Semantic roles & 50–950 ramp

primary

#4F40B7

secondary

#BFC68D

accent

#D850C7

background

#F9F7FC

surface

#F1EDF9

border

#CBC8D2

text

#0D0814

muted

#7E7B82

Preview Lab

Preview with #4F40B7

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

Preview Lab → · Contrast checker → · Palette generator →