#4C40AC#4C40AC

#4C40AC is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.9% C 0.166 H 282.5°. Best body text is #FFFFFF at 7.97:1 contrast (WCAG AA passes).

Color values

HEX	#4C40AC
RGB	rgb(76, 64, 172)
HSL	hsl(247, 46%, 46%)
HSV	hsv(247, 63%, 67%)
CMYK	cmyk(55.8%, 62.8%, 0%, 32.5%)
CIE-LAB	lab(34.36, 35.56, -56.36)
CIE-LCH	lch(34.36, 66.64, 302.25°)
OKLab	oklab(44.9% 0.0357 -0.1618)
OKLCH	oklch(44.9% 0.166 282.5)
XYZ	xyz(12.2580, 8.1811, 39.9549)
Luminance	0.0818 (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

#4C40AC #A0AC40

analogous

#406AAC #4C40AC #8240AC

triadic

#4C40AC #AC4C40 #40AC4C

tetradic

#4C40AC #AC406A #A0AC40 #40AC82

square

#4C40AC #AC406A #A0AC40 #40AC82

split-complementary

#4C40AC #AC8240 #6AAC40

monochromatic

#251F53 #382F7F #4C40AC #6F64C5 #9891D6

Accessibility & contrast

On white

7.97

#4C40AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#4C40AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4C40AC

7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C40AC	#FFFFFF	#000000	##FFFFFF
##4C40AC	1.00	7.97	2.64	7.97
#FFFFFF	7.97	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054AF

Deuteranopia (green-blind)

#004DAA

Tritanopia (blue-blind)

#1E5A70

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #4c40ac;
/* rgb */ color: rgb(76, 64, 172);
/* oklch */ color: oklch(44.9% 0.166 282.5);

Tailwind

colors: {
  custom: {
    50: '#8775c6',
    500: '#4c40ac',
    950: '#000000',
  },
}

SCSS

$custom: #4c40ac;
$custom-light: #8775c6;
$custom-dark: #000000;

JSON

{
  "hex": "#4c40ac",
  "rgb": {
    "r": 76,
    "g": 64,
    "b": 172
  },
  "hsl": {
    "h": 246.667,
    "s": 45.763,
    "l": 46.275
  },
  "oklch": {
    "l": 0.44896,
    "c": 0.16574,
    "h": 282.5
  },
  "luminance": 0.08182
}

Semantic roles & 50–950 ramp

primary

#4C40AC

secondary

#BBC187

accent

#D552C7

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #4C40AC

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

Preview Lab → · Contrast checker → · Palette generator →