#4C40BB#4C40BB

#4C40BB is a mid, vivid blue. Relative luminance 0.088; OKLCH L 46.2% C 0.185 H 280.7°. Best body text is #FFFFFF at 7.61:1 contrast (WCAG AA passes).

Color values

HEX	#4C40BB
RGB	rgb(76, 64, 187)
HSL	hsl(246, 49%, 49%)
HSV	hsv(246, 66%, 73%)
CMYK	cmyk(59.4%, 65.8%, 0%, 26.7%)
CIE-LAB	lab(35.58, 40.36, -63.26)
CIE-LCH	lch(35.58, 75.04, 302.54°)
OKLab	oklab(46.16% 0.0344 -0.1821)
OKLCH	oklch(46.16% 0.185 280.7)
XYZ	xyz(13.7807, 8.7902, 47.9746)
Luminance	0.0879 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.09

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C40BB #AFBB40

analogous

#4072BB #4C40BB #8A40BB

triadic

#4C40BB #BB4C40 #40BB4C

tetradic

#4C40BB #BB4072 #AFBB40 #40BB8A

square

#4C40BB #BB4072 #AFBB40 #40BB8A

split-complementary

#4C40BB #BB8A40 #72BB40

monochromatic

#272160 #39308D #4C40BB #756CCD #A099DC

Accessibility & contrast

On white

7.61

#4C40BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#4C40BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4C40BB

7.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C40BB	#FFFFFF	#000000	##FFFFFF
##4C40BB	1.00	7.61	2.76	7.61
#FFFFFF	7.61	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BF

Deuteranopia (green-blind)

#004FB9

Tritanopia (blue-blind)

#005F78

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #4c40bb;
/* rgb */ color: rgb(76, 64, 187);
/* oklch */ color: oklch(46.2% 0.185 280.7);

Tailwind

colors: {
  custom: {
    50: '#8a76d0',
    500: '#4c40bb',
    950: '#000000',
  },
}

SCSS

$custom: #4c40bb;
$custom-light: #8a76d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4c40bb",
  "rgb": {
    "r": 76,
    "g": 64,
    "b": 187
  },
  "hsl": {
    "h": 245.854,
    "s": 49.004,
    "l": 49.216
  },
  "oklch": {
    "l": 0.46164,
    "c": 0.18531,
    "h": 280.7
  },
  "luminance": 0.08791
}

Semantic roles & 50–950 ramp

primary

#4C40BB

secondary

#C2C88F

accent

#D94FCB

background

#F9F7FC

surface

#F1EDF9

border

#CBC8D2

text

#0D0814

muted

#7E7B82

Preview Lab

Preview with #4C40BB

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

Preview Lab → · Contrast checker → · Palette generator →