#4540CC#4540CC

#4540CC is a mid, highly saturated blue. Relative luminance 0.093; OKLCH L 47.2% C 0.208 H 276.4°. Best body text is #FFFFFF at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#4540CC
RGB	rgb(69, 64, 204)
HSL	hsl(242, 58%, 53%)
HSV	hsv(242, 69%, 80%)
CMYK	cmyk(66.2%, 68.6%, 0%, 20%)
CIE-LAB	lab(36.54, 44.84, -71.65)
CIE-LCH	lch(36.54, 84.52, 302.04°)
OKLab	oklab(47.18% 0.0233 -0.2069)
OKLCH	oklch(47.18% 0.208 276.4)
XYZ	xyz(15.1832, 9.2903, 58.1081)
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

#4540CC #C7CC40

analogous

#4081CC #4540CC #8B40CC

triadic

#4540CC #CC4540 #40CC45

tetradic

#4540CC #CC4081 #C7CC40 #40CC8B

square

#4540CC #CC4081 #C7CC40 #40CC8B

split-complementary

#4540CC #CC8B40 #81CC40

monochromatic

#221F73 #302CA3 #4540CC #7470D9 #A3A1E6

Accessibility & contrast

On white

7.35

#4540CC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#4540CC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4540CC

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4540CC	#FFFFFF	#000000	##FFFFFF
##4540CC	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)

#005CD0

Deuteranopia (green-blind)

#0050C9

Tritanopia (blue-blind)

#006681

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #4540cc;
/* rgb */ color: rgb(69, 64, 204);
/* oklch */ color: oklch(47.2% 0.208 276.4);

Tailwind

colors: {
  custom: {
    50: '#8976dd',
    500: '#4540cc',
    950: '#000000',
  },
}

SCSS

$custom: #4540cc;
$custom-light: #8976dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4540cc",
  "rgb": {
    "r": 69,
    "g": 64,
    "b": 204
  },
  "hsl": {
    "h": 242.143,
    "s": 57.851,
    "l": 52.549
  },
  "oklch": {
    "l": 0.47179,
    "c": 0.20816,
    "h": 276.4
  },
  "luminance": 0.09292
}

Semantic roles & 50–950 ramp

primary

#4540CC

secondary

#D0D295

accent

#E147DC

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4540CC

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

Preview Lab → · Contrast checker → · Palette generator →