#4E40A7#4E40A7

#4E40A7 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.7% C 0.159 H 284.1°. Best body text is #FFFFFF at 8.03:1 contrast (WCAG AA passes).

Color values

HEX	#4E40A7
RGB	rgb(78, 64, 167)
HSL	hsl(248, 45%, 45%)
HSV	hsv(248, 62%, 65%)
CMYK	cmyk(53.3%, 61.7%, 0%, 34.5%)
CIE-LAB	lab(34.14, 34.35, -53.72)
CIE-LCH	lch(34.14, 63.76, 302.60°)
OKLab	oklab(44.66% 0.0387 -0.154)
OKLCH	oklch(44.66% 0.159 284.1)
XYZ	xyz(11.9482, 8.0759, 37.4809)
Luminance	0.0808 (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

#4E40A7 #99A740

analogous

#4066A7 #4E40A7 #8140A7

triadic

#4E40A7 #A74E40 #40A74E

tetradic

#4E40A7 #A74066 #99A740 #40A781

square

#4E40A7 #A74066 #99A740 #40A781

split-complementary

#4E40A7 #A78140 #66A740

monochromatic

#251E4F #392F7B #4E40A7 #6F62C3 #978ED4

Accessibility & contrast

On white

8.03

#4E40A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#4E40A7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4E40A7

8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E40A7	#FFFFFF	#000000	##FFFFFF
##4E40A7	1.00	8.03	2.62	8.03
#FFFFFF	8.03	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053AA

Deuteranopia (green-blind)

#004DA5

Tritanopia (blue-blind)

#29596D

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #4e40a7;
/* rgb */ color: rgb(78, 64, 167);
/* oklch */ color: oklch(44.7% 0.159 284.1);

Tailwind

colors: {
  custom: {
    50: '#8775c2',
    500: '#4e40a7',
    950: '#000000',
  },
}

SCSS

$custom: #4e40a7;
$custom-light: #8775c2;
$custom-dark: #000000;

JSON

{
  "hex": "#4e40a7",
  "rgb": {
    "r": 78,
    "g": 64,
    "b": 167
  },
  "hsl": {
    "h": 248.155,
    "s": 44.589,
    "l": 45.294
  },
  "oklch": {
    "l": 0.44658,
    "c": 0.15879,
    "h": 284.1
  },
  "luminance": 0.08077
}

Semantic roles & 50–950 ramp

primary

#4E40A7

secondary

#B7BF84

accent

#D454C3

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0C0812

muted

#7D7B81

Preview Lab

Preview with #4E40A7

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

Preview Lab → · Contrast checker → · Palette generator →