#4B40CF#4B40CF

#4B40CF is a mid, highly saturated blue. Relative luminance 0.097; OKLCH L 47.9% C 0.211 H 278.3°. Best body text is #FFFFFF at 7.16:1 contrast (WCAG AA passes).

Color values

HEX	#4B40CF
RGB	rgb(75, 64, 207)
HSL	hsl(245, 60%, 53%)
HSV	hsv(245, 69%, 81%)
CMYK	cmyk(63.8%, 69.1%, 0%, 18.8%)
CIE-LAB	lab(37.24, 46.57, -72.22)
CIE-LCH	lch(37.24, 85.93, 302.82°)
OKLab	oklab(47.88% 0.0304 -0.2084)
OKLCH	oklch(47.88% 0.211 278.3)
XYZ	xyz(15.9939, 9.6663, 60.0423)
Luminance	0.0967 (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

#4B40CF #C4CF40

analogous

#407DCF #4B40CF #9240CF

triadic

#4B40CF #CF4B40 #40CF4B

tetradic

#4B40CF #CF407D #C4CF40 #40CF92

square

#4B40CF #CF407D #C4CF40 #40CF92

split-complementary

#4B40CF #CF9240 #7DCF40

monochromatic

#251E77 #342AA8 #4B40CF #7971DB #A7A2E8

Accessibility & contrast

On white

7.16

#4B40CF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#4B40CF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B40CF

7.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B40CF	#FFFFFF	#000000	##FFFFFF
##4B40CF	1.00	7.16	2.93	7.16
#FFFFFF	7.16	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DD3

Deuteranopia (green-blind)

#0052CC

Tritanopia (blue-blind)

#006783

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #4b40cf;
/* rgb */ color: rgb(75, 64, 207);
/* oklch */ color: oklch(47.9% 0.211 278.3);

Tailwind

colors: {
  custom: {
    50: '#8d76df',
    500: '#4b40cf',
    950: '#000000',
  },
}

SCSS

$custom: #4b40cf;
$custom-light: #8d76df;
$custom-dark: #000000;

JSON

{
  "hex": "#4b40cf",
  "rgb": {
    "r": 75,
    "g": 64,
    "b": 207
  },
  "hsl": {
    "h": 244.615,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.47875,
    "c": 0.21058,
    "h": 278.3
  },
  "luminance": 0.09668
}

Semantic roles & 50–950 ramp

primary

#4B40CF

secondary

#CFD497

accent

#E345D7

background

#F9F7FD

surface

#F2EDFB

border

#CCC8D4

text

#0E0915

muted

#7E7B83

Preview Lab

Preview with #4B40CF

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

Preview Lab → · Contrast checker → · Palette generator →