#4B40BA#4B40BA

#4B40BA is a mid, vivid blue. Relative luminance 0.087; OKLCH L 46.0% C 0.184 H 280.4°. Best body text is #FFFFFF at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#4B40BA
RGB	rgb(75, 64, 186)
HSL	hsl(245, 49%, 49%)
HSV	hsv(245, 66%, 73%)
CMYK	cmyk(59.7%, 65.6%, 0%, 27.1%)
CIE-LAB	lab(35.41, 39.88, -62.94)
CIE-LCH	lch(35.41, 74.51, 302.36°)
OKLab	oklab(46% 0.0332 -0.1812)
OKLCH	oklch(46% 0.184 280.4)
XYZ	xyz(13.5952, 8.7069, 47.4090)
Luminance	0.0871 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.04

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B40BA #AFBA40

analogous

#4072BA #4B40BA #8840BA

triadic

#4B40BA #BA4B40 #40BA4B

tetradic

#4B40BA #BA4072 #AFBA40 #40BA88

square

#4B40BA #BA4072 #AFBA40 #40BA88

split-complementary

#4B40BA #BA8840 #72BA40

monochromatic

#26215F #39308C #4B40BA #746BCC #9F99DC

Accessibility & contrast

On white

7.66

#4B40BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#4B40BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B40BA

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B40BA	#FFFFFF	#000000	##FFFFFF
##4B40BA	1.00	7.66	2.74	7.66
#FFFFFF	7.66	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BE

Deuteranopia (green-blind)

#004FB8

Tritanopia (blue-blind)

#005F77

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4b40ba;
/* rgb */ color: rgb(75, 64, 186);
/* oklch */ color: oklch(46.0% 0.184 280.4);

Tailwind

colors: {
  custom: {
    50: '#8976d0',
    500: '#4b40ba',
    950: '#000000',
  },
}

SCSS

$custom: #4b40ba;
$custom-light: #8976d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4b40ba",
  "rgb": {
    "r": 75,
    "g": 64,
    "b": 186
  },
  "hsl": {
    "h": 245.41,
    "s": 48.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.45999,
    "c": 0.18421,
    "h": 280.4
  },
  "luminance": 0.08708
}

Semantic roles & 50–950 ramp

primary

#4B40BA

secondary

#C2C88E

accent

#D84FCC

background

#F9F7FC

surface

#F1EDF9

border

#CBC8D2

text

#0D0814

muted

#7E7B82

Preview Lab

Preview with #4B40BA

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

Preview Lab → · Contrast checker → · Palette generator →