#4E40B2#4E40B2

#4E40B2 is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.6% C 0.173 H 282.6°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#4E40B2
RGB	rgb(78, 64, 178)
HSL	hsl(247, 47%, 47%)
HSV	hsv(247, 64%, 70%)
CMYK	cmyk(56.2%, 64%, 0%, 30.2%)
CIE-LAB	lab(35.00, 37.83, -58.87)
CIE-LCH	lch(35.00, 69.98, 302.72°)
OKLab	oklab(45.56% 0.0379 -0.1691)
OKLCH	oklch(45.56% 0.173 282.6)
XYZ	xyz(13.0087, 8.5000, 43.0660)
Luminance	0.0850 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 0.69

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E40B2 #A4B240

analogous

#406BB2 #4E40B2 #8740B2

triadic

#4E40B2 #B24E40 #40B24E

tetradic

#4E40B2 #B2406B #A4B240 #40B287

square

#4E40B2 #B2406B #A4B240 #40B287

split-complementary

#4E40B2 #B28740 #6BB240

monochromatic

#272058 #3A3085 #4E40B2 #7367C8 #9C94D8

Accessibility & contrast

On white

7.78

#4E40B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#4E40B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4E40B2

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E40B2	#FFFFFF	#000000	##FFFFFF
##4E40B2	1.00	7.78	2.70	7.78
#FFFFFF	7.78	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B6

Deuteranopia (green-blind)

#004EB0

Tritanopia (blue-blind)

#1D5C73

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #4e40b2;
/* rgb */ color: rgb(78, 64, 178);
/* oklch */ color: oklch(45.6% 0.173 282.6);

Tailwind

colors: {
  custom: {
    50: '#8976ca',
    500: '#4e40b2',
    950: '#000000',
  },
}

SCSS

$custom: #4e40b2;
$custom-light: #8976ca;
$custom-dark: #000000;

JSON

{
  "hex": "#4e40b2",
  "rgb": {
    "r": 78,
    "g": 64,
    "b": 178
  },
  "hsl": {
    "h": 247.368,
    "s": 47.107,
    "l": 47.451
  },
  "oklch": {
    "l": 0.45558,
    "c": 0.17335,
    "h": 282.6
  },
  "luminance": 0.08501
}

Semantic roles & 50–950 ramp

primary

#4E40B2

secondary

#BDC48A

accent

#D751C6

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0D0813

muted

#7D7B82

Preview Lab

Preview with #4E40B2

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

Preview Lab → · Contrast checker → · Palette generator →