#3333BA#3333BA

#3333BA is a dark, highly saturated blue. Relative luminance 0.066; OKLCH L 42.3% C 0.204 H 273.4°. Best body text is #FFFFFF at 9.04:1 contrast (WCAG AA passes).

Color values

HEX	#3333BA
RGB	rgb(51, 51, 186)
HSL	hsl(240, 57%, 46%)
HSV	hsv(240, 73%, 73%)
CMYK	cmyk(72.6%, 72.6%, 0%, 27.1%)
CIE-LAB	lab(30.92, 44.43, -70.39)
CIE-LCH	lch(30.92, 83.24, 302.26°)
OKLab	oklab(42.32% 0.0121 -0.2036)
OKLCH	oklch(42.32% 0.204 273.4)
XYZ	xyz(11.4090, 6.6155, 47.1205)
Luminance	0.0662 (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

#3333BA #BABA33

analogous

#3377BA #3333BA #7733BA

triadic

#3333BA #BA3333 #33BA33

tetradic

#3333BA #BA3377 #BABA33 #33BA77

square

#3333BA #BA3377 #BABA33 #33BA77

split-complementary

#3333BA #BA7733 #77BA33

monochromatic

#19195A #26268A #3333BA #5959D1 #8989DF

Accessibility & contrast

On white

9.04

#3333BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#3333BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3333BA

9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3333BA	#FFFFFF	#000000	##FFFFFF
##3333BA	1.00	9.04	2.32	9.04
#FFFFFF	9.04	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FBE

Deuteranopia (green-blind)

#0042B8

Tritanopia (blue-blind)

#005973

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3333ba;
/* rgb */ color: rgb(51, 51, 186);
/* oklch */ color: oklch(42.3% 0.204 273.4);

Tailwind

colors: {
  custom: {
    50: '#7f6cd0',
    500: '#3333ba',
    950: '#000000',
  },
}

SCSS

$custom: #3333ba;
$custom-light: #7f6cd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3333ba",
  "rgb": {
    "r": 51,
    "g": 51,
    "b": 186
  },
  "hsl": {
    "h": 240,
    "s": 56.962,
    "l": 46.471
  },
  "oklch": {
    "l": 0.42323,
    "c": 0.20398,
    "h": 273.4
  },
  "luminance": 0.06617
}

Semantic roles & 50–950 ramp

primary

#3333BA

secondary

#C9C980

accent

#E048E0

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3333BA

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

Preview Lab → · Contrast checker → · Palette generator →