#3330BB#3330BB

#3330BB is a dark, highly saturated blue. Relative luminance 0.064; OKLCH L 42.0% C 0.208 H 273.7°. Best body text is #FFFFFF at 9.21:1 contrast (WCAG AA passes).

Color values

HEX	#3330BB
RGB	rgb(51, 48, 187)
HSL	hsl(241, 59%, 46%)
HSV	hsv(241, 74%, 73%)
CMYK	cmyk(72.7%, 74.3%, 0%, 26.7%)
CIE-LAB	lab(30.41, 46.45, -71.81)
CIE-LCH	lch(30.41, 85.53, 302.90°)
OKLab	oklab(41.99% 0.0135 -0.2077)
OKLCH	oklch(41.99% 0.208 273.7)
XYZ	xyz(11.3888, 6.4044, 47.6400)
Luminance	0.0641 (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

#3330BB #B8BB30

analogous

#3072BB #3330BB #7830BB

triadic

#3330BB #BB3330 #30BB33

tetradic

#3330BB #BB3072 #B8BB30 #30BB78

square

#3330BB #BB3072 #B8BB30 #30BB78

split-complementary

#3330BB #BB7830 #72BB30

monochromatic

#18175A #26238A #3330BB #5855D3 #8886E0

Accessibility & contrast

On white

9.21

#3330BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#3330BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3330BB

9.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3330BB	#FFFFFF	#000000	##FFFFFF
##3330BB	1.00	9.21	2.28	9.21
#FFFFFF	9.21	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EBF

Deuteranopia (green-blind)

#0041B9

Tritanopia (blue-blind)

#005873

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3330bb;
/* rgb */ color: rgb(51, 48, 187);
/* oklch */ color: oklch(42.0% 0.208 273.7);

Tailwind

colors: {
  custom: {
    50: '#806ad1',
    500: '#3330bb',
    950: '#000000',
  },
}

SCSS

$custom: #3330bb;
$custom-light: #806ad1;
$custom-dark: #000000;

JSON

{
  "hex": "#3330bb",
  "rgb": {
    "r": 51,
    "g": 48,
    "b": 187
  },
  "hsl": {
    "h": 241.295,
    "s": 59.149,
    "l": 46.078
  },
  "oklch": {
    "l": 0.41994,
    "c": 0.20818,
    "h": 273.7
  },
  "luminance": 0.06406
}

Semantic roles & 50–950 ramp

primary

#3330BB

secondary

#C8C97D

accent

#E245DF

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3330BB

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

Preview Lab → · Contrast checker → · Palette generator →