#4E40B1#4E40B1

#4E40B1 is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.5% C 0.172 H 282.8°. Best body text is #FFFFFF at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#4E40B1
RGB	rgb(78, 64, 177)
HSL	hsl(247, 47%, 47%)
HSV	hsv(247, 64%, 69%)
CMYK	cmyk(55.9%, 63.8%, 0%, 30.6%)
CIE-LAB	lab(34.92, 37.51, -58.41)
CIE-LCH	lch(34.92, 69.42, 302.71°)
OKLab	oklab(45.48% 0.038 -0.1678)
OKLCH	oklch(45.48% 0.172 282.8)
XYZ	xyz(12.9087, 8.4600, 42.5392)
Luminance	0.0846 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 0.79

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E40B1 #A3B140

analogous

#406AB1 #4E40B1 #8740B1

triadic

#4E40B1 #B14E40 #40B14E

tetradic

#4E40B1 #B1406A #A3B140 #40B187

square

#4E40B1 #B1406A #A3B140 #40B187

split-complementary

#4E40B1 #B18740 #6AB140

monochromatic

#261F57 #3A3084 #4E40B1 #7266C8 #9C93D8

Accessibility & contrast

On white

7.80

#4E40B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#4E40B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4E40B1

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E40B1	#FFFFFF	#000000	##FFFFFF
##4E40B1	1.00	7.80	2.69	7.80
#FFFFFF	7.80	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B5

Deuteranopia (green-blind)

#004EAF

Tritanopia (blue-blind)

#1E5C72

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #4e40b1;
/* rgb */ color: rgb(78, 64, 177);
/* oklch */ color: oklch(45.5% 0.172 282.8);

Tailwind

colors: {
  custom: {
    50: '#8976c9',
    500: '#4e40b1',
    950: '#000000',
  },
}

SCSS

$custom: #4e40b1;
$custom-light: #8976c9;
$custom-dark: #000000;

JSON

{
  "hex": "#4e40b1",
  "rgb": {
    "r": 78,
    "g": 64,
    "b": 177
  },
  "hsl": {
    "h": 247.434,
    "s": 46.888,
    "l": 47.255
  },
  "oklch": {
    "l": 0.45475,
    "c": 0.17204,
    "h": 282.8
  },
  "luminance": 0.08461
}

Semantic roles & 50–950 ramp

primary

#4E40B1

secondary

#BCC389

accent

#D751C6

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #4E40B1

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

Preview Lab → · Contrast checker → · Palette generator →