#4B40CC#4B40CC

#4B40CC is a mid, highly saturated blue. Relative luminance 0.095; OKLCH L 47.6% C 0.207 H 278.6°. Best body text is #FFFFFF at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#4B40CC
RGB	rgb(75, 64, 204)
HSL	hsl(245, 58%, 53%)
HSV	hsv(245, 69%, 80%)
CMYK	cmyk(63.2%, 68.6%, 0%, 20%)
CIE-LAB	lab(36.97, 45.62, -70.92)
CIE-LCH	lch(36.97, 84.33, 302.75°)
OKLab	oklab(47.6% 0.0308 -0.2046)
OKLCH	oklch(47.6% 0.207 278.6)
XYZ	xyz(15.6306, 9.5210, 58.1291)
Luminance	0.0952 (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

#4B40CC #C1CC40

analogous

#407BCC #4B40CC #9140CC

triadic

#4B40CC #CC4B40 #40CC4B

tetradic

#4B40CC #CC407B #C1CC40 #40CC91

square

#4B40CC #CC407B #C1CC40 #40CC91

split-complementary

#4B40CC #CC9140 #7BCC40

monochromatic

#251F73 #352CA3 #4B40CC #7970D9 #A6A1E6

Accessibility & contrast

On white

7.23

#4B40CC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#4B40CC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B40CC

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B40CC	#FFFFFF	#000000	##FFFFFF
##4B40CC	1.00	7.23	2.90	7.23
#FFFFFF	7.23	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DD0

Deuteranopia (green-blind)

#0051C9

Tritanopia (blue-blind)

#006581

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #4b40cc;
/* rgb */ color: rgb(75, 64, 204);
/* oklch */ color: oklch(47.6% 0.207 278.6);

Tailwind

colors: {
  custom: {
    50: '#8c76dd',
    500: '#4b40cc',
    950: '#000000',
  },
}

SCSS

$custom: #4b40cc;
$custom-light: #8c76dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4b40cc",
  "rgb": {
    "r": 75,
    "g": 64,
    "b": 204
  },
  "hsl": {
    "h": 244.714,
    "s": 57.851,
    "l": 52.549
  },
  "oklch": {
    "l": 0.476,
    "c": 0.20689,
    "h": 278.6
  },
  "luminance": 0.09522
}

Semantic roles & 50–950 ramp

primary

#4B40CC

secondary

#CED295

accent

#E147D5

background

#F9F7FD

surface

#F2EDFB

border

#CCC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4B40CC

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

Preview Lab → · Contrast checker → · Palette generator →