#4C40BF#4C40BF

#4C40BF is a mid, vivid blue. Relative luminance 0.090; OKLCH L 46.5% C 0.190 H 280.2°. Best body text is #FFFFFF at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#4C40BF
RGB	rgb(76, 64, 191)
HSL	hsl(246, 50%, 50%)
HSV	hsv(246, 66%, 75%)
CMYK	cmyk(60.2%, 66.5%, 0%, 25.1%)
CIE-LAB	lab(35.91, 41.63, -65.06)
CIE-LCH	lch(35.91, 77.24, 302.62°)
OKLab	oklab(46.51% 0.0339 -0.1874)
OKLCH	oklch(46.51% 0.19 280.2)
XYZ	xyz(14.2149, 8.9639, 50.2612)
Luminance	0.0896 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.56

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C40BF #B3BF40

analogous

#4074BF #4C40BF #8B40BF

triadic

#4C40BF #BF4C40 #40BF4C

tetradic

#4C40BF #BF4074 #B3BF40 #40BF8B

square

#4C40BF #BF4074 #B3BF40 #40BF8B

split-complementary

#4C40BF #BF8B40 #74BF40

monochromatic

#282163 #3A3191 #4C40BF #776ECE #A29CDE

Accessibility & contrast

On white

7.52

#4C40BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#4C40BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4C40BF

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C40BF	#FFFFFF	#000000	##FFFFFF
##4C40BF	1.00	7.52	2.79	7.52
#FFFFFF	7.52	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C3

Deuteranopia (green-blind)

#0050BD

Tritanopia (blue-blind)

#00617A

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #4c40bf;
/* rgb */ color: rgb(76, 64, 191);
/* oklch */ color: oklch(46.5% 0.190 280.2);

Tailwind

colors: {
  custom: {
    50: '#8a76d3',
    500: '#4c40bf',
    950: '#000000',
  },
}

SCSS

$custom: #4c40bf;
$custom-light: #8a76d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4c40bf",
  "rgb": {
    "r": 76,
    "g": 64,
    "b": 191
  },
  "hsl": {
    "h": 245.669,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.46512,
    "c": 0.19042,
    "h": 280.2
  },
  "luminance": 0.08965
}

Semantic roles & 50–950 ramp

primary

#4C40BF

secondary

#C4CA91

accent

#D94ECC

background

#F9F7FD

surface

#F1EDFA

border

#CBC8D3

text

#0D0814

muted

#7E7B83

Preview Lab

Preview with #4C40BF

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

Preview Lab → · Contrast checker → · Palette generator →