#5748CB#5748CB

#5748CB is a mid, vivid blue. Relative luminance 0.110; OKLCH L 49.7% C 0.194 H 281.9°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#5748CB
RGB	rgb(87, 72, 203)
HSL	hsl(247, 56%, 54%)
HSV	hsv(247, 65%, 80%)
CMYK	cmyk(57.1%, 64.5%, 0%, 20.4%)
CIE-LAB	lab(39.53, 42.48, -66.11)
CIE-LCH	lch(39.53, 78.58, 302.72°)
OKLab	oklab(49.66% 0.0399 -0.1901)
OKLCH	oklch(49.66% 0.194 281.9)
XYZ	xyz(17.0240, 10.9717, 57.7090)
Luminance	0.1097 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Bluey Purple

#6241C7

ΔE00 2.70

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5748CB #BCCB48

analogous

#487BCB #5748CB #9948CB

triadic

#5748CB #CB5748 #48CB57

tetradic

#5748CB #CB487B #BCCB48 #48CB99

square

#5748CB #CB487B #BCCB48 #48CB99

split-complementary

#5748CB #CB9948 #7BCB48

monochromatic

#2C2277 #3D2FA6 #5748CB #8378D9 #AFA7E6

Accessibility & contrast

On white

6.57

#5748CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#5748CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5748CB

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5748CB	#FFFFFF	#000000	##FFFFFF
##5748CB	1.00	6.57	3.19	6.57
#FFFFFF	6.57	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062CF

Deuteranopia (green-blind)

#0058C8

Tritanopia (blue-blind)

#166983

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #5748cb;
/* rgb */ color: rgb(87, 72, 203);
/* oklch */ color: oklch(49.7% 0.194 281.9);

Tailwind

colors: {
  custom: {
    50: '#917cdc',
    500: '#5748cb',
    950: '#000000',
  },
}

SCSS

$custom: #5748cb;
$custom-light: #917cdc;
$custom-dark: #000000;

JSON

{
  "hex": "#5748cb",
  "rgb": {
    "r": 87,
    "g": 72,
    "b": 203
  },
  "hsl": {
    "h": 246.87,
    "s": 55.745,
    "l": 53.922
  },
  "oklch": {
    "l": 0.49663,
    "c": 0.19426,
    "h": 281.9
  },
  "luminance": 0.10973
}

Semantic roles & 50–950 ramp

primary

#5748CB

secondary

#CDD39B

accent

#DF49CE

background

#F9F7FD

surface

#F2EEFB

border

#CCC9D4

text

#0E0915

muted

#7E7B83

Preview Lab

Preview with #5748CB

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

Preview Lab → · Contrast checker → · Palette generator →