#4E40A8#4E40A8

#4E40A8 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.7% C 0.160 H 284.0°. Best body text is #FFFFFF at 8.01:1 contrast (WCAG AA passes).

Color values

HEX	#4E40A8
RGB	rgb(78, 64, 168)
HSL	hsl(248, 45%, 45%)
HSV	hsv(248, 62%, 66%)
CMYK	cmyk(53.6%, 61.9%, 0%, 34.1%)
CIE-LAB	lab(34.22, 34.66, -54.19)
CIE-LCH	lch(34.22, 64.33, 302.61°)
OKLab	oklab(44.74% 0.0387 -0.1554)
OKLCH	oklch(44.74% 0.16 284)
XYZ	xyz(12.0410, 8.1130, 37.9697)
Luminance	0.0811 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E40A8 #9AA840

analogous

#4066A8 #4E40A8 #8240A8

triadic

#4E40A8 #A84E40 #40A84E

tetradic

#4E40A8 #A84066 #9AA840 #40A882

square

#4E40A8 #A84066 #9AA840 #40A882

split-complementary

#4E40A8 #A88240 #66A840

monochromatic

#251E4F #392F7C #4E40A8 #6F62C3 #988ED4

Accessibility & contrast

On white

8.01

#4E40A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#4E40A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4E40A8

8.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E40A8	#FFFFFF	#000000	##FFFFFF
##4E40A8	1.00	8.01	2.62	8.01
#FFFFFF	8.01	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054AB

Deuteranopia (green-blind)

#004DA6

Tritanopia (blue-blind)

#29596E

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #4e40a8;
/* rgb */ color: rgb(78, 64, 168);
/* oklch */ color: oklch(44.7% 0.160 284.0);

Tailwind

colors: {
  custom: {
    50: '#8875c3',
    500: '#4e40a8',
    950: '#000000',
  },
}

SCSS

$custom: #4e40a8;
$custom-light: #8875c3;
$custom-dark: #000000;

JSON

{
  "hex": "#4e40a8",
  "rgb": {
    "r": 78,
    "g": 64,
    "b": 168
  },
  "hsl": {
    "h": 248.077,
    "s": 44.828,
    "l": 45.49
  },
  "oklch": {
    "l": 0.44738,
    "c": 0.16014,
    "h": 284
  },
  "luminance": 0.08114
}

Semantic roles & 50–950 ramp

primary

#4E40A8

secondary

#B7BF85

accent

#D553C3

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0C0812

muted

#7D7B81

Preview Lab

Preview with #4E40A8

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

Preview Lab → · Contrast checker → · Palette generator →