#4E40B4#4E40B4

#4E40B4 is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.7% C 0.176 H 282.4°. Best body text is #FFFFFF at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#4E40B4
RGB	rgb(78, 64, 180)
HSL	hsl(247, 48%, 48%)
HSV	hsv(247, 64%, 71%)
CMYK	cmyk(56.7%, 64.4%, 0%, 29.4%)
CIE-LAB	lab(35.16, 38.46, -59.80)
CIE-LCH	lch(35.16, 71.10, 302.75°)
OKLab	oklab(45.73% 0.0377 -0.1719)
OKLCH	oklch(45.73% 0.176 282.4)
XYZ	xyz(13.2110, 8.5809, 44.1313)
Luminance	0.0858 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 0.57

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E40B4 #A6B440

analogous

#406CB4 #4E40B4 #8840B4

triadic

#4E40B4 #B44E40 #40B44E

tetradic

#4E40B4 #B4406C #A6B440 #40B488

square

#4E40B4 #B4406C #A6B440 #40B488

split-complementary

#4E40B4 #B48840 #6CB440

monochromatic

#27205A #3A3087 #4E40B4 #7468C9 #9D95D9

Accessibility & contrast

On white

7.73

#4E40B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#4E40B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4E40B4

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E40B4	#FFFFFF	#000000	##FFFFFF
##4E40B4	1.00	7.73	2.72	7.73
#FFFFFF	7.73	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057B8

Deuteranopia (green-blind)

#004FB2

Tritanopia (blue-blind)

#1A5D74

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4e40b4;
/* rgb */ color: rgb(78, 64, 180);
/* oklch */ color: oklch(45.7% 0.176 282.4);

Tailwind

colors: {
  custom: {
    50: '#8976cb',
    500: '#4e40b4',
    950: '#000000',
  },
}

SCSS

$custom: #4e40b4;
$custom-light: #8976cb;
$custom-dark: #000000;

JSON

{
  "hex": "#4e40b4",
  "rgb": {
    "r": 78,
    "g": 64,
    "b": 180
  },
  "hsl": {
    "h": 247.241,
    "s": 47.541,
    "l": 47.843
  },
  "oklch": {
    "l": 0.45726,
    "c": 0.17595,
    "h": 282.4
  },
  "luminance": 0.08582
}

Semantic roles & 50–950 ramp

primary

#4E40B4

secondary

#BEC58B

accent

#D751C7

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0D0813

muted

#7D7B82

Preview Lab

Preview with #4E40B4

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

Preview Lab → · Contrast checker → · Palette generator →