#3333AE#3333AE

#3333AE is a dark, vivid blue. Relative luminance 0.061; OKLCH L 41.1% C 0.189 H 274.3°. Best body text is #FFFFFF at 9.44:1 contrast (WCAG AA passes).

Color values

HEX	#3333AE
RGB	rgb(51, 51, 174)
HSL	hsl(240, 55%, 44%)
HSV	hsv(240, 71%, 68%)
CMYK	cmyk(70.7%, 70.7%, 0%, 31.8%)
CIE-LAB	lab(29.73, 40.39, -65.21)
CIE-LCH	lch(29.73, 76.70, 301.78°)
OKLab	oklab(41.12% 0.014 -0.1885)
OKLCH	oklch(41.12% 0.189 274.3)
XYZ	xyz(10.1865, 6.1265, 40.6819)
Luminance	0.0613 (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

#3333AE #AEAE33

analogous

#3371AE #3333AE #7133AE

triadic

#3333AE #AE3333 #33AE33

tetradic

#3333AE #AE3371 #AEAE33 #33AE71

square

#3333AE #AE3371 #AEAE33 #33AE71

split-complementary

#3333AE #AE7133 #71AE33

monochromatic

#17174F #25257F #3333AE #5252CC #8181DA

Accessibility & contrast

On white

9.44

#3333AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#3333AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3333AE

9.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3333AE	#FFFFFF	#000000	##FFFFFF
##3333AE	1.00	9.44	2.23	9.44
#FFFFFF	9.44	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CB2

Deuteranopia (green-blind)

#0040AC

Tritanopia (blue-blind)

#00556D

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3333ae;
/* rgb */ color: rgb(51, 51, 174);
/* oklch */ color: oklch(41.1% 0.189 274.3);

Tailwind

colors: {
  custom: {
    50: '#7d6cc7',
    500: '#3333ae',
    950: '#000000',
  },
}

SCSS

$custom: #3333ae;
$custom-light: #7d6cc7;
$custom-dark: #000000;

JSON

{
  "hex": "#3333ae",
  "rgb": {
    "r": 51,
    "g": 51,
    "b": 174
  },
  "hsl": {
    "h": 240,
    "s": 54.667,
    "l": 44.118
  },
  "oklch": {
    "l": 0.41117,
    "c": 0.18901,
    "h": 274.3
  },
  "luminance": 0.06127
}

Semantic roles & 50–950 ramp

primary

#3333AE

secondary

#C3C379

accent

#DE4ADE

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3333AE

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

Preview Lab → · Contrast checker → · Palette generator →