#4C40BC#4C40BC

#4C40BC is a mid, vivid blue. Relative luminance 0.088; OKLCH L 46.3% C 0.187 H 280.6°. Best body text is #FFFFFF at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#4C40BC
RGB	rgb(76, 64, 188)
HSL	hsl(246, 49%, 49%)
HSV	hsv(246, 66%, 74%)
CMYK	cmyk(59.6%, 66%, 0%, 26.3%)
CIE-LAB	lab(35.66, 40.68, -63.71)
CIE-LCH	lch(35.66, 75.59, 302.56°)
OKLab	oklab(46.25% 0.0342 -0.1834)
OKLCH	oklch(46.25% 0.187 280.6)
XYZ	xyz(13.8881, 8.8332, 48.5403)
Luminance	0.0883 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.20

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C40BC #B0BC40

analogous

#4072BC #4C40BC #8A40BC

triadic

#4C40BC #BC4C40 #40BC4C

tetradic

#4C40BC #BC4072 #B0BC40 #40BC8A

square

#4C40BC #BC4072 #B0BC40 #40BC8A

split-complementary

#4C40BC #BC8A40 #72BC40

monochromatic

#272161 #3A308E #4C40BC #766CCD #A09ADD

Accessibility & contrast

On white

7.59

#4C40BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#4C40BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4C40BC

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C40BC	#FFFFFF	#000000	##FFFFFF
##4C40BC	1.00	7.59	2.77	7.59
#FFFFFF	7.59	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C0

Deuteranopia (green-blind)

#004FBA

Tritanopia (blue-blind)

#006078

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #4c40bc;
/* rgb */ color: rgb(76, 64, 188);
/* oklch */ color: oklch(46.3% 0.187 280.6);

Tailwind

colors: {
  custom: {
    50: '#8a76d1',
    500: '#4c40bc',
    950: '#000000',
  },
}

SCSS

$custom: #4c40bc;
$custom-light: #8a76d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4c40bc",
  "rgb": {
    "r": 76,
    "g": 64,
    "b": 188
  },
  "hsl": {
    "h": 245.806,
    "s": 49.206,
    "l": 49.412
  },
  "oklch": {
    "l": 0.4625,
    "c": 0.18659,
    "h": 280.6
  },
  "luminance": 0.08834
}

Semantic roles & 50–950 ramp

primary

#4C40BC

secondary

#C3C98F

accent

#D94FCB

background

#F9F7FD

surface

#F1EDFA

border

#CBC8D3

text

#0D0814

muted

#7E7B83

Preview Lab

Preview with #4C40BC

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

Preview Lab → · Contrast checker → · Palette generator →