#4B40C7#4B40C7

#4B40C7 is a mid, highly saturated blue. Relative luminance 0.093; OKLCH L 47.1% C 0.201 H 279.0°. Best body text is #FFFFFF at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#4B40C7
RGB	rgb(75, 64, 199)
HSL	hsl(245, 55%, 52%)
HSV	hsv(245, 68%, 78%)
CMYK	cmyk(62.3%, 67.8%, 0%, 22%)
CIE-LAB	lab(36.53, 44.03, -68.74)
CIE-LCH	lch(36.53, 81.63, 302.64°)
OKLab	oklab(47.15% 0.0315 -0.1982)
OKLCH	oklch(47.15% 0.201 279)
XYZ	xyz(15.0406, 9.2850, 55.0214)
Luminance	0.0929 (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

#4B40C7 #BCC740

analogous

#4079C7 #4B40C7 #8F40C7

triadic

#4B40C7 #C74B40 #40C74B

tetradic

#4B40C7 #C74079 #BCC740 #40C78F

square

#4B40C7 #C74079 #BCC740 #40C78F

split-complementary

#4B40C7 #C78F40 #79C740

monochromatic

#26206D #372E9C #4B40C7 #786FD5 #A49FE3

Accessibility & contrast

On white

7.35

#4B40C7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#4B40C7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B40C7

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B40C7	#FFFFFF	#000000	##FFFFFF
##4B40C7	1.00	7.35	2.86	7.35
#FFFFFF	7.35	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BCB

Deuteranopia (green-blind)

#0051C4

Tritanopia (blue-blind)

#00647E

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #4b40c7;
/* rgb */ color: rgb(75, 64, 199);
/* oklch */ color: oklch(47.1% 0.201 279.0);

Tailwind

colors: {
  custom: {
    50: '#8b76d9',
    500: '#4b40c7',
    950: '#000000',
  },
}

SCSS

$custom: #4b40c7;
$custom-light: #8b76d9;
$custom-dark: #000000;

JSON

{
  "hex": "#4b40c7",
  "rgb": {
    "r": 75,
    "g": 64,
    "b": 199
  },
  "hsl": {
    "h": 244.889,
    "s": 54.656,
    "l": 51.569
  },
  "oklch": {
    "l": 0.47147,
    "c": 0.20067,
    "h": 279
  },
  "luminance": 0.09286
}

Semantic roles & 50–950 ramp

primary

#4B40C7

secondary

#CACF94

accent

#DE4AD2

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4B40C7

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

Preview Lab → · Contrast checker → · Palette generator →