#4E40B0#4E40B0

#4E40B0 is a mid, vivid blue. Relative luminance 0.084; OKLCH L 45.4% C 0.171 H 282.9°. Best body text is #FFFFFF at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#4E40B0
RGB	rgb(78, 64, 176)
HSL	hsl(248, 47%, 47%)
HSV	hsv(248, 64%, 69%)
CMYK	cmyk(55.7%, 63.6%, 0%, 31%)
CIE-LAB	lab(34.84, 37.20, -57.95)
CIE-LCH	lch(34.84, 68.86, 302.70°)
OKLab	oklab(45.39% 0.0381 -0.1664)
OKLCH	oklch(45.39% 0.171 282.9)
XYZ	xyz(12.8093, 8.4203, 42.0162)
Luminance	0.0842 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 0.90

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E40B0 #A2B040

analogous

#406AB0 #4E40B0 #8640B0

triadic

#4E40B0 #B04E40 #40B04E

tetradic

#4E40B0 #B0406A #A2B040 #40B086

square

#4E40B0 #B0406A #A2B040 #40B086

split-complementary

#4E40B0 #B08640 #6AB040

monochromatic

#261F56 #3A3083 #4E40B0 #7266C7 #9B93D8

Accessibility & contrast

On white

7.82

#4E40B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#4E40B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4E40B0

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E40B0	#FFFFFF	#000000	##FFFFFF
##4E40B0	1.00	7.82	2.68	7.82
#FFFFFF	7.82	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B4

Deuteranopia (green-blind)

#004EAE

Tritanopia (blue-blind)

#205C72

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #4e40b0;
/* rgb */ color: rgb(78, 64, 176);
/* oklch */ color: oklch(45.4% 0.171 282.9);

Tailwind

colors: {
  custom: {
    50: '#8976c8',
    500: '#4e40b0',
    950: '#000000',
  },
}

SCSS

$custom: #4e40b0;
$custom-light: #8976c8;
$custom-dark: #000000;

JSON

{
  "hex": "#4e40b0",
  "rgb": {
    "r": 78,
    "g": 64,
    "b": 176
  },
  "hsl": {
    "h": 247.5,
    "s": 46.667,
    "l": 47.059
  },
  "oklch": {
    "l": 0.45392,
    "c": 0.17073,
    "h": 282.9
  },
  "luminance": 0.08421
}

Semantic roles & 50–950 ramp

primary

#4E40B0

secondary

#BCC389

accent

#D651C6

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #4E40B0

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

Preview Lab → · Contrast checker → · Palette generator →