#4E40B7#4E40B7

#4E40B7 is a mid, vivid blue. Relative luminance 0.087; OKLCH L 46.0% C 0.180 H 282.0°. Best body text is #FFFFFF at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#4E40B7
RGB	rgb(78, 64, 183)
HSL	hsl(247, 48%, 48%)
HSV	hsv(247, 65%, 72%)
CMYK	cmyk(57.4%, 65%, 0%, 28.2%)
CIE-LAB	lab(35.41, 39.41, -61.17)
CIE-LCH	lch(35.41, 72.77, 302.79°)
OKLab	oklab(45.98% 0.0374 -0.1759)
OKLCH	oklch(45.98% 0.18 282)
XYZ	xyz(13.5199, 8.7045, 45.7583)
Luminance	0.0871 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 0.63

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E40B7 #A9B740

analogous

#406DB7 #4E40B7 #8940B7

triadic

#4E40B7 #B74E40 #40B74E

tetradic

#4E40B7 #B7406D #A9B740 #40B789

square

#4E40B7 #B7406D #A9B740 #40B789

split-complementary

#4E40B7 #B78940 #6DB740

monochromatic

#27205C #3B308A #4E40B7 #7569CB #9F97DB

Accessibility & contrast

On white

7.66

#4E40B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#4E40B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4E40B7

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E40B7	#FFFFFF	#000000	##FFFFFF
##4E40B7	1.00	7.66	2.74	7.66
#FFFFFF	7.66	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057BB

Deuteranopia (green-blind)

#004FB5

Tritanopia (blue-blind)

#145E76

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4e40b7;
/* rgb */ color: rgb(78, 64, 183);
/* oklch */ color: oklch(46.0% 0.180 282.0);

Tailwind

colors: {
  custom: {
    50: '#8a76ce',
    500: '#4e40b7',
    950: '#000000',
  },
}

SCSS

$custom: #4e40b7;
$custom-light: #8a76ce;
$custom-dark: #000000;

JSON

{
  "hex": "#4e40b7",
  "rgb": {
    "r": 78,
    "g": 64,
    "b": 183
  },
  "hsl": {
    "h": 247.059,
    "s": 48.178,
    "l": 48.431
  },
  "oklch": {
    "l": 0.4598,
    "c": 0.17984,
    "h": 282
  },
  "luminance": 0.08705
}

Semantic roles & 50–950 ramp

primary

#4E40B7

secondary

#BFC68D

accent

#D850C8

background

#F9F7FC

surface

#F1EDF9

border

#CBC8D2

text

#0D0814

muted

#7E7B82

Preview Lab

Preview with #4E40B7

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

Preview Lab → · Contrast checker → · Palette generator →