#3333BD#3333BD

#3333BD is a dark, highly saturated blue. Relative luminance 0.067; OKLCH L 42.6% C 0.208 H 273.2°. Best body text is #FFFFFF at 8.94:1 contrast (WCAG AA passes).

Color values

HEX	#3333BD
RGB	rgb(51, 51, 189)
HSL	hsl(240, 58%, 47%)
HSV	hsv(240, 73%, 74%)
CMYK	cmyk(73%, 73%, 0%, 25.9%)
CIE-LAB	lab(31.22, 45.42, -71.66)
CIE-LCH	lch(31.22, 84.85, 302.37°)
OKLab	oklab(42.63% 0.0116 -0.2073)
OKLCH	oklch(42.63% 0.208 273.2)
XYZ	xyz(11.7313, 6.7444, 48.8178)
Luminance	0.0675 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 3.79

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3333BD #BDBD33

analogous

#3378BD #3333BD #7833BD

triadic

#3333BD #BD3333 #33BD33

tetradic

#3333BD #BD3378 #BDBD33 #33BD78

square

#3333BD #BD3378 #BDBD33 #33BD78

split-complementary

#3333BD #BD7833 #78BD33

monochromatic

#19195D #26268D #3333BD #5B5BD3 #8B8BE0

Accessibility & contrast

On white

8.94

#3333BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#3333BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3333BD

8.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3333BD	#FFFFFF	#000000	##FFFFFF
##3333BD	1.00	8.94	2.35	8.94
#FFFFFF	8.94	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050C1

Deuteranopia (green-blind)

#0043BB

Tritanopia (blue-blind)

#005A75

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3333bd;
/* rgb */ color: rgb(51, 51, 189);
/* oklch */ color: oklch(42.6% 0.208 273.2);

Tailwind

colors: {
  custom: {
    50: '#806cd2',
    500: '#3333bd',
    950: '#000000',
  },
}

SCSS

$custom: #3333bd;
$custom-light: #806cd2;
$custom-dark: #000000;

JSON

{
  "hex": "#3333bd",
  "rgb": {
    "r": 51,
    "g": 51,
    "b": 189
  },
  "hsl": {
    "h": 240,
    "s": 57.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.42629,
    "c": 0.20766,
    "h": 273.2
  },
  "luminance": 0.06746
}

Semantic roles & 50–950 ramp

primary

#3333BD

secondary

#CACA82

accent

#E147E1

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3333BD

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

Preview Lab → · Contrast checker → · Palette generator →