#4C40DF#4C40DF

#4C40DF is a mid, highly saturated blue. Relative luminance 0.105; OKLCH L 49.4% C 0.230 H 277.2°. Best body text is #FFFFFF at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#4C40DF
RGB	rgb(76, 64, 223)
HSL	hsl(245, 71%, 56%)
HSV	hsv(245, 71%, 87%)
CMYK	cmyk(65.9%, 71.3%, 0%, 12.5%)
CIE-LAB	lab(38.78, 51.71, -78.89)
CIE-LCH	lch(38.78, 94.33, 303.24°)
OKLab	oklab(49.44% 0.029 -0.2278)
OKLCH	oklch(49.44% 0.23 277.2)
XYZ	xyz(18.1288, 10.5294, 70.8747)
Luminance	0.1053 (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

#4C40DF #D3DF40

analogous

#4084DF #4C40DF #9C40DF

triadic

#4C40DF #DF4C40 #40DF4C

tetradic

#4C40DF #DF4084 #D3DF40 #40DF9C

square

#4C40DF #DF4084 #D3DF40 #40DF9C

split-complementary

#4C40DF #DF9C40 #84DF40

monochromatic

#20188D #2D20C1 #4C40DF #7D74E8 #AEA9F1

Accessibility & contrast

On white

6.76

#4C40DF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#4C40DF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C40DF

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C40DF	#FFFFFF	#000000	##FFFFFF
##4C40DF	1.00	6.76	3.11	6.76
#FFFFFF	6.76	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.76	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: #4c40df;
/* rgb */ color: rgb(76, 64, 223);
/* oklch */ color: oklch(49.4% 0.230 277.2);

Tailwind

colors: {
  custom: {
    50: '#9077ea',
    500: '#4c40df',
    950: '#000000',
  },
}

SCSS

$custom: #4c40df;
$custom-light: #9077ea;
$custom-dark: #000000;

JSON

{
  "hex": "#4c40df",
  "rgb": {
    "r": 76,
    "g": 64,
    "b": 223
  },
  "hsl": {
    "h": 244.528,
    "s": 71.3,
    "l": 56.275
  },
  "oklch": {
    "l": 0.49439,
    "c": 0.22968,
    "h": 277.2
  },
  "luminance": 0.10531
}

Semantic roles & 50–950 ramp

primary

#4C40DF

secondary

#D9DE9D

accent

#EE3AE0

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4C40DF

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

Preview Lab → · Contrast checker → · Palette generator →