#5743DD#5743DD

#5743DD is a mid, highly saturated blue. Relative luminance 0.113; OKLCH L 50.5% C 0.222 H 280.8°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#5743DD
RGB	rgb(87, 67, 221)
HSL	hsl(248, 69%, 56%)
HSV	hsv(248, 70%, 87%)
CMYK	cmyk(60.6%, 69.7%, 0%, 13.3%)
CIE-LAB	lab(40.01, 50.83, -75.68)
CIE-LCH	lch(40.01, 91.17, 303.89°)
OKLab	oklab(50.48% 0.0415 -0.2182)
OKLCH	oklch(50.48% 0.222 280.8)
XYZ	xyz(18.9847, 11.2596, 69.5655)
Luminance	0.1126 (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

#5743DD #C9DD43

analogous

#437CDD #5743DD #A443DD

triadic

#5743DD #DD5743 #43DD57

tetradic

#5743DD #DD437C #C9DD43 #43DDA4

square

#5743DD #DD437C #C9DD43 #43DDA4

split-complementary

#5743DD #DDA443 #7CDD43

monochromatic

#28198C #3723C0 #5743DD #8577E6 #B4ABF0

Accessibility & contrast

On white

6.46

#5743DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#5743DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5743DD

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5743DD	#FFFFFF	#000000	##FFFFFF
##5743DD	1.00	6.46	3.25	6.46
#FFFFFF	6.46	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064E2

Deuteranopia (green-blind)

#0058DA

Tritanopia (blue-blind)

#006D8B

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #5743dd;
/* rgb */ color: rgb(87, 67, 221);
/* oklch */ color: oklch(50.5% 0.222 280.8);

Tailwind

colors: {
  custom: {
    50: '#9579e9',
    500: '#5743dd',
    950: '#000000',
  },
}

SCSS

$custom: #5743dd;
$custom-light: #9579e9;
$custom-dark: #000000;

JSON

{
  "hex": "#5743dd",
  "rgb": {
    "r": 87,
    "g": 67,
    "b": 221
  },
  "hsl": {
    "h": 247.792,
    "s": 69.369,
    "l": 56.471
  },
  "oklch": {
    "l": 0.50478,
    "c": 0.22208,
    "h": 280.8
  },
  "luminance": 0.11261
}

Semantic roles & 50–950 ramp

primary

#5743DD

secondary

#D5DE9E

accent

#EC3CD5

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0F0916

muted

#7E7B84

Preview Lab

Preview with #5743DD

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

Preview Lab → · Contrast checker → · Palette generator →