#4540D8#4540D8

#4540D8 is a mid, highly saturated blue. Relative luminance 0.099; OKLCH L 48.3% C 0.223 H 275.5°. Best body text is #FFFFFF at 7.05:1 contrast (WCAG AA passes).

Color values

HEX	#4540D8
RGB	rgb(69, 64, 216)
HSL	hsl(242, 66%, 55%)
HSV	hsv(242, 70%, 85%)
CMYK	cmyk(68.1%, 70.4%, 0%, 15.3%)
CIE-LAB	lab(37.64, 48.71, -76.76)
CIE-LCH	lch(37.64, 90.91, 302.40°)
OKLab	oklab(48.31% 0.0215 -0.2218)
OKLCH	oklch(48.31% 0.223 275.5)
XYZ	xyz(16.6782, 9.8883, 65.9821)
Luminance	0.0989 (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

#4540D8 #D3D840

analogous

#4087D8 #4540D8 #9140D8

triadic

#4540D8 #D84540 #40D845

tetradic

#4540D8 #D84087 #D3D840 #40D891

square

#4540D8 #D84087 #D3D840 #40D891

split-complementary

#4540D8 #D89140 #87D840

monochromatic

#1E1B83 #2A25B6 #4540D8 #7673E2 #A8A6ED

Accessibility & contrast

On white

7.05

#4540D8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#4540D8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4540D8

7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4540D8	#FFFFFF	#000000	##FFFFFF
##4540D8	1.00	7.05	2.98	7.05
#FFFFFF	7.05	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FDD

Deuteranopia (green-blind)

#0052D5

Tritanopia (blue-blind)

#006A88

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #4540d8;
/* rgb */ color: rgb(69, 64, 216);
/* oklch */ color: oklch(48.3% 0.223 275.5);

Tailwind

colors: {
  custom: {
    50: '#8c76e5',
    500: '#4540d8',
    950: '#000000',
  },
}

SCSS

$custom: #4540d8;
$custom-light: #8c76e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4540d8",
  "rgb": {
    "r": 69,
    "g": 64,
    "b": 216
  },
  "hsl": {
    "h": 241.974,
    "s": 66.087,
    "l": 54.902
  },
  "oklch": {
    "l": 0.48306,
    "c": 0.22285,
    "h": 275.5
  },
  "luminance": 0.0989
}

Semantic roles & 50–950 ramp

primary

#4540D8

secondary

#D8DA9A

accent

#E93FE3

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4540D8

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

Preview Lab → · Contrast checker → · Palette generator →