#3333B6#3333B6

#3333B6 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.9% C 0.199 H 273.7°. Best body text is #FFFFFF at 9.17:1 contrast (WCAG AA passes).

Color values

HEX	#3333B6
RGB	rgb(51, 51, 182)
HSL	hsl(240, 56%, 46%)
HSV	hsv(240, 72%, 71%)
CMYK	cmyk(72%, 72%, 0%, 28.6%)
CIE-LAB	lab(30.52, 43.09, -68.68)
CIE-LCH	lch(30.52, 81.08, 302.10°)
OKLab	oklab(41.92% 0.0128 -0.1986)
OKLCH	oklch(41.92% 0.199 273.7)
XYZ	xyz(10.9897, 6.4478, 44.9123)
Luminance	0.0645 (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

#3333B6 #B6B633

analogous

#3374B6 #3333B6 #7433B6

triadic

#3333B6 #B63333 #33B633

tetradic

#3333B6 #B63374 #B6B633 #33B674

square

#3333B6 #B63374 #B6B633 #33B674

split-complementary

#3333B6 #B67433 #74B633

monochromatic

#181856 #262686 #3333B6 #5656D0 #8686DD

Accessibility & contrast

On white

9.17

#3333B6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#3333B6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3333B6

9.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3333B6	#FFFFFF	#000000	##FFFFFF
##3333B6	1.00	9.17	2.29	9.17
#FFFFFF	9.17	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EBA

Deuteranopia (green-blind)

#0042B4

Tritanopia (blue-blind)

#005871

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3333b6;
/* rgb */ color: rgb(51, 51, 182);
/* oklch */ color: oklch(41.9% 0.199 273.7);

Tailwind

colors: {
  custom: {
    50: '#7e6ccd',
    500: '#3333b6',
    950: '#000000',
  },
}

SCSS

$custom: #3333b6;
$custom-light: #7e6ccd;
$custom-dark: #000000;

JSON

{
  "hex": "#3333b6",
  "rgb": {
    "r": 51,
    "g": 51,
    "b": 182
  },
  "hsl": {
    "h": 240,
    "s": 56.223,
    "l": 45.686
  },
  "oklch": {
    "l": 0.41917,
    "c": 0.19904,
    "h": 273.7
  },
  "luminance": 0.06449
}

Semantic roles & 50–950 ramp

primary

#3333B6

secondary

#C7C77E

accent

#E048E0

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3333B6

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

Preview Lab → · Contrast checker → · Palette generator →