#5748BB#5748BB

#5748BB is a mid, vivid blue. Relative luminance 0.102; OKLCH L 48.4% C 0.174 H 283.7°. Best body text is #FFFFFF at 6.89:1 contrast (WCAG AA passes).

Color values

HEX	#5748BB
RGB	rgb(87, 72, 187)
HSL	hsl(248, 46%, 51%)
HSV	hsv(248, 61%, 73%)
CMYK	cmyk(53.5%, 61.5%, 0%, 26.7%)
CIE-LAB	lab(38.28, 37.50, -58.81)
CIE-LCH	lch(38.28, 69.75, 302.52°)
OKLab	oklab(48.36% 0.0412 -0.1687)
OKLCH	oklch(48.36% 0.174 283.7)
XYZ	xyz(15.2148, 10.2480, 48.1804)
Luminance	0.1025 (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

#5748BB #ACBB48

analogous

#4872BB #5748BB #9048BB

triadic

#5748BB #BB5748 #48BB57

tetradic

#5748BB #BB4872 #ACBB48 #48BB90

square

#5748BB #BB4872 #ACBB48 #48BB90

split-complementary

#5748BB #BB9048 #72BB48

monochromatic

#2D2564 #413690 #5748BB #8075CC #A9A1DC

Accessibility & contrast

On white

6.89

#5748BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#5748BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5748BB

6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5748BB	#FFFFFF	#000000	##FFFFFF
##5748BB	1.00	6.89	3.05	6.89
#FFFFFF	6.89	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EBF

Deuteranopia (green-blind)

#0056B9

Tritanopia (blue-blind)

#2D647A

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #5748bb;
/* rgb */ color: rgb(87, 72, 187);
/* oklch */ color: oklch(48.4% 0.174 283.7);

Tailwind

colors: {
  custom: {
    50: '#8f7cd0',
    500: '#5748bb',
    950: '#000000',
  },
}

SCSS

$custom: #5748bb;
$custom-light: #8f7cd0;
$custom-dark: #000000;

JSON

{
  "hex": "#5748bb",
  "rgb": {
    "r": 87,
    "g": 72,
    "b": 187
  },
  "hsl": {
    "h": 247.826,
    "s": 45.817,
    "l": 50.784
  },
  "oklch": {
    "l": 0.48362,
    "c": 0.17363,
    "h": 283.7
  },
  "luminance": 0.10249
}

Semantic roles & 50–950 ramp

primary

#5748BB

secondary

#C2C996

accent

#D552C4

background

#F9F7FC

surface

#F2EEF9

border

#CCC9D2

text

#0D0914

muted

#7E7B82

Preview Lab

Preview with #5748BB

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

Preview Lab → · Contrast checker → · Palette generator →