#333390#333390

#333390 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.3% C 0.149 H 276.7°. Best body text is #FFFFFF at 10.41:1 contrast (WCAG AA passes).

Color values

HEX	#333390
RGB	rgb(51, 51, 144)
HSL	hsl(240, 48%, 38%)
HSV	hsv(240, 65%, 56%)
CMYK	cmyk(64.6%, 64.6%, 0%, 43.5%)
CIE-LAB	lab(26.97, 30.00, -51.50)
CIE-LCH	lch(26.97, 59.60, 300.22°)
OKLab	oklab(38.28% 0.0174 -0.1484)
OKLCH	oklch(38.28% 0.149 276.7)
XYZ	xyz(7.5815, 5.0845, 26.9620)
Luminance	0.0508 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333390 #909033

analogous

#336190 #333390 #613390

triadic

#333390 #903333 #339033

tetradic

#333390 #903361 #909033 #339061

square

#333390 #903361 #909033 #339061

split-complementary

#333390 #906133 #619033

monochromatic

#131336 #232363 #333390 #4444BD #7171CD

Accessibility & contrast

On white

10.41

#333390 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#333390 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333390

10.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333390	#FFFFFF	#000000	##FFFFFF
##333390	1.00	10.41	2.02	10.41
#FFFFFF	10.41	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004493

Deuteranopia (green-blind)

#003C8E

Tritanopia (blue-blind)

#004A5C

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #333390;
/* rgb */ color: rgb(51, 51, 144);
/* oklch */ color: oklch(38.3% 0.149 276.7);

Tailwind

colors: {
  custom: {
    50: '#766bb1',
    500: '#333390',
    950: '#000000',
  },
}

SCSS

$custom: #333390;
$custom-light: #766bb1;
$custom-dark: #000000;

JSON

{
  "hex": "#333390",
  "rgb": {
    "r": 51,
    "g": 51,
    "b": 144
  },
  "hsl": {
    "h": 240,
    "s": 47.692,
    "l": 38.235
  },
  "oklch": {
    "l": 0.38277,
    "c": 0.14938,
    "h": 276.7
  },
  "luminance": 0.05085
}

Semantic roles & 50–950 ramp

primary

#333390

secondary

#B5B56A

accent

#D751D7

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #333390

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

Preview Lab → · Contrast checker → · Palette generator →