#4733BB#4733BB

#4733BB is a dark, highly saturated blue. Relative luminance 0.073; OKLCH L 43.8% C 0.201 H 280.9°. Best body text is #FFFFFF at 8.54:1 contrast (WCAG AA passes).

Color values

HEX	#4733BB
RGB	rgb(71, 51, 187)
HSL	hsl(249, 57%, 47%)
HSV	hsv(249, 73%, 73%)
CMYK	cmyk(62%, 72.7%, 0%, 26.7%)
CIE-LAB	lab(32.47, 47.04, -68.38)
CIE-LCH	lch(32.47, 82.99, 304.52°)
OKLab	oklab(43.83% 0.0378 -0.1972)
OKLCH	oklch(43.83% 0.201 280.9)
XYZ	xyz(12.7492, 7.2942, 47.7402)
Luminance	0.0730 (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

#4733BB #A7BB33

analogous

#3363BB #4733BB #8B33BB

triadic

#4733BB #BB4733 #33BB47

tetradic

#4733BB #BB3363 #A7BB33 #33BB8B

square

#4733BB #BB3363 #A7BB33 #33BB8B

split-complementary

#4733BB #BB8B33 #63BB33

monochromatic

#22195B #35268B #4733BB #6B59D2 #9689DF

Accessibility & contrast

On white

8.54

#4733BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#4733BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4733BB

8.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4733BB	#FFFFFF	#000000	##FFFFFF
##4733BB	1.00	8.54	2.46	8.54
#FFFFFF	8.54	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051BF

Deuteranopia (green-blind)

#0047B8

Tritanopia (blue-blind)

#005974

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #4733bb;
/* rgb */ color: rgb(71, 51, 187);
/* oklch */ color: oklch(43.8% 0.201 280.9);

Tailwind

colors: {
  custom: {
    50: '#886dd1',
    500: '#4733bb',
    950: '#000000',
  },
}

SCSS

$custom: #4733bb;
$custom-light: #886dd1;
$custom-dark: #000000;

JSON

{
  "hex": "#4733bb",
  "rgb": {
    "r": 71,
    "g": 51,
    "b": 187
  },
  "hsl": {
    "h": 248.824,
    "s": 57.143,
    "l": 46.667
  },
  "oklch": {
    "l": 0.4383,
    "c": 0.20081,
    "h": 280.9
  },
  "luminance": 0.07295
}

Semantic roles & 50–950 ramp

primary

#4733BB

secondary

#BEC981

accent

#E047CA

background

#F9F6FD

surface

#F1ECFA

border

#CBC7D3

text

#0D0714

muted

#7E7A83

Preview Lab

Preview with #4733BB

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

Preview Lab → · Contrast checker → · Palette generator →