#4E40BB#4E40BB

#4E40BB is a mid, vivid blue. Relative luminance 0.089; OKLCH L 46.3% C 0.185 H 281.5°. Best body text is #FFFFFF at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#4E40BB
RGB	rgb(78, 64, 187)
HSL	hsl(247, 49%, 49%)
HSV	hsv(247, 66%, 73%)
CMYK	cmyk(58.3%, 65.8%, 0%, 26.7%)
CIE-LAB	lab(35.74, 40.68, -62.99)
CIE-LCH	lch(35.74, 74.98, 302.85°)
OKLab	oklab(46.32% 0.037 -0.1812)
OKLCH	oklch(46.32% 0.185 281.5)
XYZ	xyz(13.9421, 8.8734, 47.9821)
Luminance	0.0887 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.03

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E40BB #ADBB40

analogous

#4070BB #4E40BB #8C40BB

triadic

#4E40BB #BB4E40 #40BB4E

tetradic

#4E40BB #BB4070 #ADBB40 #40BB8C

square

#4E40BB #BB4070 #ADBB40 #40BB8C

split-complementary

#4E40BB #BB8C40 #70BB40

monochromatic

#282160 #3B308D #4E40BB #776CCD #A199DC

Accessibility & contrast

On white

7.57

#4E40BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#4E40BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4E40BB

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E40BB	#FFFFFF	#000000	##FFFFFF
##4E40BB	1.00	7.57	2.77	7.57
#FFFFFF	7.57	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BF

Deuteranopia (green-blind)

#0050B9

Tritanopia (blue-blind)

#095F78

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #4e40bb;
/* rgb */ color: rgb(78, 64, 187);
/* oklch */ color: oklch(46.3% 0.185 281.5);

Tailwind

colors: {
  custom: {
    50: '#8b76d0',
    500: '#4e40bb',
    950: '#000000',
  },
}

SCSS

$custom: #4e40bb;
$custom-light: #8b76d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4e40bb",
  "rgb": {
    "r": 78,
    "g": 64,
    "b": 187
  },
  "hsl": {
    "h": 246.829,
    "s": 49.004,
    "l": 49.216
  },
  "oklch": {
    "l": 0.46322,
    "c": 0.18497,
    "h": 281.5
  },
  "luminance": 0.08874
}

Semantic roles & 50–950 ramp

primary

#4E40BB

secondary

#C2C88F

accent

#D94FC9

background

#F9F7FC

surface

#F1EDF9

border

#CBC8D2

text

#0D0814

muted

#7E7B82

Preview Lab

Preview with #4E40BB

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

Preview Lab → · Contrast checker → · Palette generator →