#333291#333291

#333291 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.2% C 0.152 H 276.9°. Best body text is #FFFFFF at 10.47:1 contrast (WCAG AA passes).

Color values

HEX	#333291
RGB	rgb(51, 50, 145)
HSL	hsl(241, 49%, 38%)
HSV	hsv(241, 66%, 57%)
CMYK	cmyk(64.8%, 65.5%, 0%, 43.1%)
CIE-LAB	lab(26.82, 31.00, -52.37)
CIE-LCH	lch(26.82, 60.86, 300.62°)
OKLab	oklab(38.19% 0.0182 -0.1509)
OKLCH	oklch(38.19% 0.152 276.9)
XYZ	xyz(7.6150, 5.0287, 27.3519)
Luminance	0.0503 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333291 #909132

analogous

#326091 #333291 #623291

triadic

#333291 #913332 #329133

tetradic

#333291 #913260 #909132 #329162

square

#333291 #913260 #909132 #329162

split-complementary

#333291 #916232 #609132

monochromatic

#131336 #232263 #333291 #4442BE #7170CE

Accessibility & contrast

On white

10.47

#333291 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#333291 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333291

10.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333291	#FFFFFF	#000000	##FFFFFF
##333291	1.00	10.47	2.01	10.47
#FFFFFF	10.47	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004394

Deuteranopia (green-blind)

#003B8F

Tritanopia (blue-blind)

#004A5D

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #333291;
/* rgb */ color: rgb(51, 50, 145);
/* oklch */ color: oklch(38.2% 0.152 276.9);

Tailwind

colors: {
  custom: {
    50: '#766ab2',
    500: '#333291',
    950: '#000000',
  },
}

SCSS

$custom: #333291;
$custom-light: #766ab2;
$custom-dark: #000000;

JSON

{
  "hex": "#333291",
  "rgb": {
    "r": 51,
    "g": 50,
    "b": 145
  },
  "hsl": {
    "h": 240.632,
    "s": 48.718,
    "l": 38.235
  },
  "oklch": {
    "l": 0.38188,
    "c": 0.15202,
    "h": 276.9
  },
  "luminance": 0.05029
}

Semantic roles & 50–950 ramp

primary

#333291

secondary

#B5B569

accent

#D850D7

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #333291

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

Preview Lab → · Contrast checker → · Palette generator →