#4C40CF#4C40CF

#4C40CF is a mid, highly saturated blue. Relative luminance 0.097; OKLCH L 47.9% C 0.210 H 278.7°. Best body text is #FFFFFF at 7.14:1 contrast (WCAG AA passes).

Color values

HEX	#4C40CF
RGB	rgb(76, 64, 207)
HSL	hsl(245, 60%, 53%)
HSV	hsv(245, 69%, 81%)
CMYK	cmyk(63.3%, 69.1%, 0%, 18.8%)
CIE-LAB	lab(37.31, 46.70, -72.09)
CIE-LCH	lch(37.31, 85.90, 302.94°)
OKLab	oklab(47.95% 0.0316 -0.208)
OKLCH	oklch(47.95% 0.21 278.7)
XYZ	xyz(16.0728, 9.7070, 60.0460)
Luminance	0.0971 (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

#4C40CF #C3CF40

analogous

#407BCF #4C40CF #9340CF

triadic

#4C40CF #CF4C40 #40CF4C

tetradic

#4C40CF #CF407B #C3CF40 #40CF93

square

#4C40CF #CF407B #C3CF40 #40CF93

split-complementary

#4C40CF #CF9340 #7BCF40

monochromatic

#251E77 #352AA8 #4C40CF #7A71DB #A8A2E8

Accessibility & contrast

On white

7.14

#4C40CF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#4C40CF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4C40CF

7.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C40CF	#FFFFFF	#000000	##FFFFFF
##4C40CF	1.00	7.14	2.94	7.14
#FFFFFF	7.14	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DD3

Deuteranopia (green-blind)

#0052CC

Tritanopia (blue-blind)

#006683

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #4c40cf;
/* rgb */ color: rgb(76, 64, 207);
/* oklch */ color: oklch(47.9% 0.210 278.7);

Tailwind

colors: {
  custom: {
    50: '#8d76df',
    500: '#4c40cf',
    950: '#000000',
  },
}

SCSS

$custom: #4c40cf;
$custom-light: #8d76df;
$custom-dark: #000000;

JSON

{
  "hex": "#4c40cf",
  "rgb": {
    "r": 76,
    "g": 64,
    "b": 207
  },
  "hsl": {
    "h": 245.035,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.47947,
    "c": 0.21037,
    "h": 278.7
  },
  "luminance": 0.09708
}

Semantic roles & 50–950 ramp

primary

#4C40CF

secondary

#CFD497

accent

#E345D6

background

#F9F7FD

surface

#F2EDFB

border

#CCC8D4

text

#0E0915

muted

#7E7B83

Preview Lab

Preview with #4C40CF

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

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