#4B40DF#4B40DF

#4B40DF is a mid, highly saturated blue. Relative luminance 0.105; OKLCH L 49.4% C 0.230 H 276.9°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#4B40DF
RGB	rgb(75, 64, 223)
HSL	hsl(244, 71%, 56%)
HSV	hsv(244, 71%, 87%)
CMYK	cmyk(66.4%, 71.3%, 0%, 12.5%)
CIE-LAB	lab(38.71, 51.60, -79.01)
CIE-LCH	lch(38.71, 94.36, 303.15°)
OKLab	oklab(49.37% 0.0277 -0.2282)
OKLCH	oklch(49.37% 0.23 276.9)
XYZ	xyz(18.0500, 10.4888, 70.8711)
Luminance	0.1049 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B40DF #D4DF40

analogous

#4085DF #4B40DF #9B40DF

triadic

#4B40DF #DF4B40 #40DF4B

tetradic

#4B40DF #DF4085 #D4DF40 #40DF9B

square

#4B40DF #DF4085 #D4DF40 #40DF9B

split-complementary

#4B40DF #DF9B40 #85DF40

monochromatic

#20188D #2C20C1 #4B40DF #7C74E8 #AEA9F1

Accessibility & contrast

On white

6.78

#4B40DF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#4B40DF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B40DF

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B40DF	#FFFFFF	#000000	##FFFFFF
##4B40DF	1.00	6.78	3.10	6.78
#FFFFFF	6.78	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062E4

Deuteranopia (green-blind)

#0054DC

Tritanopia (blue-blind)

#006C8B

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #4b40df;
/* rgb */ color: rgb(75, 64, 223);
/* oklch */ color: oklch(49.4% 0.230 276.9);

Tailwind

colors: {
  custom: {
    50: '#9077ea',
    500: '#4b40df',
    950: '#000000',
  },
}

SCSS

$custom: #4b40df;
$custom-light: #9077ea;
$custom-dark: #000000;

JSON

{
  "hex": "#4b40df",
  "rgb": {
    "r": 75,
    "g": 64,
    "b": 223
  },
  "hsl": {
    "h": 244.151,
    "s": 71.3,
    "l": 56.275
  },
  "oklch": {
    "l": 0.4937,
    "c": 0.22989,
    "h": 276.9
  },
  "luminance": 0.1049
}

Semantic roles & 50–950 ramp

primary

#4B40DF

secondary

#DADE9D

accent

#EE3AE2

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4B40DF

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

Preview Lab → · Contrast checker → · Palette generator →