#4E40A3#4E40A3

#4E40A3 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.3% C 0.153 H 284.7°. Best body text is #FFFFFF at 8.12:1 contrast (WCAG AA passes).

Color values

HEX	#4E40A3
RGB	rgb(78, 64, 163)
HSL	hsl(248, 44%, 45%)
HSV	hsv(248, 61%, 64%)
CMYK	cmyk(52.1%, 60.7%, 0%, 36.1%)
CIE-LAB	lab(33.84, 33.09, -51.81)
CIE-LCH	lch(33.84, 61.47, 302.56°)
OKLab	oklab(44.34% 0.0389 -0.1484)
OKLCH	oklch(44.34% 0.153 284.7)
XYZ	xyz(11.5842, 7.9302, 35.5635)
Luminance	0.0793 (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

#4E40A3 #95A340

analogous

#4064A3 #4E40A3 #8040A3

triadic

#4E40A3 #A34E40 #40A34E

tetradic

#4E40A3 #A34064 #95A340 #40A380

square

#4E40A3 #A34064 #95A340 #40A380

split-complementary

#4E40A3 #A38040 #64A340

monochromatic

#241D4B #392F77 #4E40A3 #6D60C0 #968CD2

Accessibility & contrast

On white

8.12

#4E40A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#4E40A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4E40A3

8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E40A3	#FFFFFF	#000000	##FFFFFF
##4E40A3	1.00	8.12	2.59	8.12
#FFFFFF	8.12	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052A6

Deuteranopia (green-blind)

#004CA1

Tritanopia (blue-blind)

#2D576B

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #4e40a3;
/* rgb */ color: rgb(78, 64, 163);
/* oklch */ color: oklch(44.3% 0.153 284.7);

Tailwind

colors: {
  custom: {
    50: '#8775bf',
    500: '#4e40a3',
    950: '#000000',
  },
}

SCSS

$custom: #4e40a3;
$custom-light: #8775bf;
$custom-dark: #000000;

JSON

{
  "hex": "#4e40a3",
  "rgb": {
    "r": 78,
    "g": 64,
    "b": 163
  },
  "hsl": {
    "h": 248.485,
    "s": 43.612,
    "l": 44.51
  },
  "oklch": {
    "l": 0.4434,
    "c": 0.15341,
    "h": 284.7
  },
  "luminance": 0.07931
}

Semantic roles & 50–950 ramp

primary

#4E40A3

secondary

#B4BD82

accent

#D354C1

background

#F8F7FB

surface

#F0EDF7

border

#CBC8D0

text

#0C0812

muted

#7D7B81

Preview Lab

Preview with #4E40A3

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

Preview Lab → · Contrast checker → · Palette generator →