#4748CB#4748CB

#4748CB is a mid, vivid blue. Relative luminance 0.103; OKLCH L 48.5% C 0.197 H 275.8°. Best body text is #FFFFFF at 6.87:1 contrast (WCAG AA passes).

Color values

HEX	#4748CB
RGB	rgb(71, 72, 203)
HSL	hsl(240, 56%, 54%)
HSV	hsv(240, 65%, 80%)
CMYK	cmyk(65%, 64.5%, 0%, 20.4%)
CIE-LAB	lab(38.35, 40.03, -68.09)
CIE-LCH	lch(38.35, 78.99, 300.45°)
OKLab	oklab(48.5% 0.02 -0.1964)
OKLCH	oklch(48.5% 0.197 275.8)
XYZ	xyz(15.6919, 10.2848, 57.6466)
Luminance	0.1029 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 3.70

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4748CB #CBCA47

analogous

#478ACB #4748CB #8847CB

triadic

#4748CB #CB4748 #48CB47

tetradic

#4748CB #CB478A #CBCA47 #47CB88

square

#4748CB #CB478A #CBCA47 #47CB88

split-complementary

#4748CB #CB8847 #8ACB47

monochromatic

#212276 #2F30A6 #4748CB #7777D8 #A6A7E6

Accessibility & contrast

On white

6.87

#4748CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#4748CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4748CB

6.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4748CB	#FFFFFF	#000000	##FFFFFF
##4748CB	1.00	6.87	3.06	6.87
#FFFFFF	6.87	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060CF

Deuteranopia (green-blind)

#0054C8

Tritanopia (blue-blind)

#006A83

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #4748cb;
/* rgb */ color: rgb(71, 72, 203);
/* oklch */ color: oklch(48.5% 0.197 275.8);

Tailwind

colors: {
  custom: {
    50: '#897bdc',
    500: '#4748cb',
    950: '#000000',
  },
}

SCSS

$custom: #4748cb;
$custom-light: #897bdc;
$custom-dark: #000000;

JSON

{
  "hex": "#4748cb",
  "rgb": {
    "r": 71,
    "g": 72,
    "b": 203
  },
  "hsl": {
    "h": 239.545,
    "s": 55.932,
    "l": 53.725
  },
  "oklch": {
    "l": 0.485,
    "c": 0.19739,
    "h": 275.8
  },
  "luminance": 0.10286
}

Semantic roles & 50–950 ramp

primary

#4748CB

secondary

#D3D39B

accent

#DE49DF

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #4748CB

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

Preview Lab → · Contrast checker → · Palette generator →