#4540DD#4540DD

#4540DD is a mid, highly saturated blue. Relative luminance 0.102; OKLCH L 48.8% C 0.229 H 275.2°. Best body text is #FFFFFF at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#4540DD
RGB	rgb(69, 64, 221)
HSL	hsl(242, 70%, 56%)
HSV	hsv(242, 71%, 87%)
CMYK	cmyk(68.8%, 71%, 0%, 13.3%)
CIE-LAB	lab(38.11, 50.31, -78.86)
CIE-LCH	lch(38.11, 93.54, 302.54°)
OKLab	oklab(48.79% 0.0207 -0.2279)
OKLCH	oklch(48.79% 0.229 275.2)
XYZ	xyz(17.3345, 10.1508, 69.4384)
Luminance	0.1015 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 3.34

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4540DD #D8DD40

analogous

#4089DD #4540DD #9340DD

triadic

#4540DD #DD4540 #40DD45

tetradic

#4540DD #DD4089 #D8DD40 #40DD93

square

#4540DD #DD4089 #D8DD40 #40DD93

split-complementary

#4540DD #DD9340 #89DD40

monochromatic

#1C198A #2722BE #4540DD #7874E6 #AAA8EF

Accessibility & contrast

On white

6.93

#4540DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#4540DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4540DD

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4540DD	#FFFFFF	#000000	##FFFFFF
##4540DD	1.00	6.93	3.03	6.93
#FFFFFF	6.93	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061E2

Deuteranopia (green-blind)

#0052DA

Tritanopia (blue-blind)

#006C8A

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #4540dd;
/* rgb */ color: rgb(69, 64, 221);
/* oklch */ color: oklch(48.8% 0.229 275.2);

Tailwind

colors: {
  custom: {
    50: '#8d76e9',
    500: '#4540dd',
    950: '#000000',
  },
}

SCSS

$custom: #4540dd;
$custom-light: #8d76e9;
$custom-dark: #000000;

JSON

{
  "hex": "#4540dd",
  "rgb": {
    "r": 69,
    "g": 64,
    "b": 221
  },
  "hsl": {
    "h": 241.911,
    "s": 69.778,
    "l": 55.882
  },
  "oklch": {
    "l": 0.48785,
    "c": 0.22887,
    "h": 275.2
  },
  "luminance": 0.10152
}

Semantic roles & 50–950 ramp

primary

#4540DD

secondary

#DBDD9C

accent

#ED3BE7

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4540DD

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

Preview Lab → · Contrast checker → · Palette generator →