#4E40B8#4E40B8

#4E40B8 is a mid, vivid blue. Relative luminance 0.087; OKLCH L 46.1% C 0.181 H 281.9°. Best body text is #FFFFFF at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#4E40B8
RGB	rgb(78, 64, 184)
HSL	hsl(247, 48%, 49%)
HSV	hsv(247, 65%, 72%)
CMYK	cmyk(57.6%, 65.2%, 0%, 27.8%)
CIE-LAB	lab(35.49, 39.73, -61.63)
CIE-LCH	lch(35.49, 73.32, 302.81°)
OKLab	oklab(46.07% 0.0373 -0.1772)
OKLCH	oklch(46.07% 0.181 281.9)
XYZ	xyz(13.6243, 8.7463, 46.3084)
Luminance	0.0875 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 0.71

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E40B8 #AAB840

analogous

#406EB8 #4E40B8 #8A40B8

triadic

#4E40B8 #B84E40 #40B84E

tetradic

#4E40B8 #B8406E #AAB840 #40B88A

square

#4E40B8 #B8406E #AAB840 #40B88A

split-complementary

#4E40B8 #B88A40 #6EB840

monochromatic

#28205D #3B308B #4E40B8 #756ACB #9F97DB

Accessibility & contrast

On white

7.64

#4E40B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#4E40B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4E40B8

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E40B8	#FFFFFF	#000000	##FFFFFF
##4E40B8	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)

#0058BC

Deuteranopia (green-blind)

#004FB6

Tritanopia (blue-blind)

#125E76

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4e40b8;
/* rgb */ color: rgb(78, 64, 184);
/* oklch */ color: oklch(46.1% 0.181 281.9);

Tailwind

colors: {
  custom: {
    50: '#8a76ce',
    500: '#4e40b8',
    950: '#000000',
  },
}

SCSS

$custom: #4e40b8;
$custom-light: #8a76ce;
$custom-dark: #000000;

JSON

{
  "hex": "#4e40b8",
  "rgb": {
    "r": 78,
    "g": 64,
    "b": 184
  },
  "hsl": {
    "h": 247,
    "s": 48.387,
    "l": 48.627
  },
  "oklch": {
    "l": 0.46065,
    "c": 0.18113,
    "h": 281.9
  },
  "luminance": 0.08747
}

Semantic roles & 50–950 ramp

primary

#4E40B8

secondary

#C0C78D

accent

#D850C8

background

#F9F7FC

surface

#F1EDF9

border

#CBC8D2

text

#0D0814

muted

#7E7B82

Preview Lab

Preview with #4E40B8

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

Preview Lab → · Contrast checker → · Palette generator →