#4B40C8#4B40C8

#4B40C8 is a mid, highly saturated blue. Relative luminance 0.093; OKLCH L 47.2% C 0.202 H 278.9°. Best body text is #FFFFFF at 7.33:1 contrast (WCAG AA passes).

Color values

HEX	#4B40C8
RGB	rgb(75, 64, 200)
HSL	hsl(245, 55%, 52%)
HSV	hsv(245, 68%, 78%)
CMYK	cmyk(62.5%, 68%, 0%, 21.6%)
CIE-LAB	lab(36.62, 44.35, -69.18)
CIE-LCH	lch(36.62, 82.17, 302.67°)
OKLab	oklab(47.24% 0.0314 -0.1995)
OKLCH	oklch(47.24% 0.202 278.9)
XYZ	xyz(15.1570, 9.3316, 55.6348)
Luminance	0.0933 (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

#4B40C8 #BDC840

analogous

#4079C8 #4B40C8 #8F40C8

triadic

#4B40C8 #C84B40 #40C84B

tetradic

#4B40C8 #C84079 #BDC840 #40C88F

square

#4B40C8 #C84079 #BDC840 #40C88F

split-complementary

#4B40C8 #C88F40 #79C840

monochromatic

#26206E #362D9D #4B40C8 #7870D6 #A59FE3

Accessibility & contrast

On white

7.33

#4B40C8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#4B40C8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B40C8

7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B40C8	#FFFFFF	#000000	##FFFFFF
##4B40C8	1.00	7.33	2.87	7.33
#FFFFFF	7.33	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BCC

Deuteranopia (green-blind)

#0051C5

Tritanopia (blue-blind)

#00647F

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #4b40c8;
/* rgb */ color: rgb(75, 64, 200);
/* oklch */ color: oklch(47.2% 0.202 278.9);

Tailwind

colors: {
  custom: {
    50: '#8b76da',
    500: '#4b40c8',
    950: '#000000',
  },
}

SCSS

$custom: #4b40c8;
$custom-light: #8b76da;
$custom-dark: #000000;

JSON

{
  "hex": "#4b40c8",
  "rgb": {
    "r": 75,
    "g": 64,
    "b": 200
  },
  "hsl": {
    "h": 244.853,
    "s": 55.285,
    "l": 51.765
  },
  "oklch": {
    "l": 0.47237,
    "c": 0.20192,
    "h": 278.9
  },
  "luminance": 0.09333
}

Semantic roles & 50–950 ramp

primary

#4B40C8

secondary

#CBD094

accent

#DF49D3

background

#F9F7FD

surface

#F2EDFB

border

#CCC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4B40C8

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

Preview Lab → · Contrast checker → · Palette generator →