#4D40AC#4D40AC

#4D40AC is a dark, vivid blue. Relative luminance 0.082; OKLCH L 45.0% C 0.166 H 282.9°. Best body text is #FFFFFF at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#4D40AC
RGB	rgb(77, 64, 172)
HSL	hsl(247, 46%, 46%)
HSV	hsv(247, 63%, 67%)
CMYK	cmyk(55.2%, 62.8%, 0%, 32.5%)
CIE-LAB	lab(34.44, 35.74, -56.22)
CIE-LCH	lch(34.44, 66.62, 302.45°)
OKLab	oklab(44.98% 0.0371 -0.1614)
OKLCH	oklch(44.98% 0.166 282.9)
XYZ	xyz(12.3381, 8.2224, 39.9587)
Luminance	0.0822 (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

#4D40AC #9FAC40

analogous

#4069AC #4D40AC #8340AC

triadic

#4D40AC #AC4D40 #40AC4D

tetradic

#4D40AC #AC4069 #9FAC40 #40AC83

square

#4D40AC #AC4069 #9FAC40 #40AC83

split-complementary

#4D40AC #AC8340 #69AC40

monochromatic

#251F53 #392F7F #4D40AC #7064C5 #9991D6

Accessibility & contrast

On white

7.94

#4D40AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#4D40AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D40AC

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D40AC	#FFFFFF	#000000	##FFFFFF
##4D40AC	1.00	7.94	2.64	7.94
#FFFFFF	7.94	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054AF

Deuteranopia (green-blind)

#004DAA

Tritanopia (blue-blind)

#215A70

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #4d40ac;
/* rgb */ color: rgb(77, 64, 172);
/* oklch */ color: oklch(45.0% 0.166 282.9);

Tailwind

colors: {
  custom: {
    50: '#8875c6',
    500: '#4d40ac',
    950: '#000000',
  },
}

SCSS

$custom: #4d40ac;
$custom-light: #8875c6;
$custom-dark: #000000;

JSON

{
  "hex": "#4d40ac",
  "rgb": {
    "r": 77,
    "g": 64,
    "b": 172
  },
  "hsl": {
    "h": 247.222,
    "s": 45.763,
    "l": 46.275
  },
  "oklch": {
    "l": 0.44979,
    "c": 0.16559,
    "h": 282.9
  },
  "luminance": 0.08223
}

Semantic roles & 50–950 ramp

primary

#4D40AC

secondary

#BAC187

accent

#D552C6

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #4D40AC

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

Preview Lab → · Contrast checker → · Palette generator →