#333191#333191

#333191 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.0% C 0.153 H 277.1°. Best body text is #FFFFFF at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#333191
RGB	rgb(51, 49, 145)
HSL	hsl(241, 49%, 38%)
HSV	hsv(241, 66%, 57%)
CMYK	cmyk(64.8%, 66.2%, 0%, 43.1%)
CIE-LAB	lab(26.58, 31.64, -52.77)
CIE-LCH	lch(26.58, 61.52, 300.94°)
OKLab	oklab(38.01% 0.0191 -0.1521)
OKLCH	oklch(38.01% 0.153 277.1)
XYZ	xyz(7.5727, 4.9442, 27.3378)
Luminance	0.0495 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333191 #8F9131

analogous

#315F91 #333191 #633191

triadic

#333191 #913331 #319133

tetradic

#333191 #91315F #8F9131 #319163

square

#333191 #91315F #8F9131 #319163

split-complementary

#333191 #916331 #5F9131

monochromatic

#131236 #232263 #333191 #4341BF #706ECE

Accessibility & contrast

On white

10.56

#333191 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#333191 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333191

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333191	#FFFFFF	#000000	##FFFFFF
##333191	1.00	10.56	1.99	10.56
#FFFFFF	10.56	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004394

Deuteranopia (green-blind)

#003B8F

Tritanopia (blue-blind)

#004A5C

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #333191;
/* rgb */ color: rgb(51, 49, 145);
/* oklch */ color: oklch(38.0% 0.153 277.1);

Tailwind

colors: {
  custom: {
    50: '#7669b2',
    500: '#333191',
    950: '#000000',
  },
}

SCSS

$custom: #333191;
$custom-light: #7669b2;
$custom-dark: #000000;

JSON

{
  "hex": "#333191",
  "rgb": {
    "r": 51,
    "g": 49,
    "b": 145
  },
  "hsl": {
    "h": 241.25,
    "s": 49.485,
    "l": 38.039
  },
  "oklch": {
    "l": 0.38012,
    "c": 0.15328,
    "h": 277.1
  },
  "luminance": 0.04945
}

Semantic roles & 50–950 ramp

primary

#333191

secondary

#B4B668

accent

#D94FD6

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0611

muted

#7C7A80

Preview Lab

Preview with #333191

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

Preview Lab → · Contrast checker → · Palette generator →