#333091#333091

#333091 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.8% C 0.155 H 277.4°. Best body text is #FFFFFF at 10.65:1 contrast (WCAG AA passes).

Color values

HEX	#333091
RGB	rgb(51, 48, 145)
HSL	hsl(242, 50%, 38%)
HSV	hsv(242, 67%, 57%)
CMYK	cmyk(64.8%, 66.9%, 0%, 43.1%)
CIE-LAB	lab(26.34, 32.27, -53.16)
CIE-LCH	lch(26.34, 62.19, 301.26°)
OKLab	oklab(37.84% 0.0199 -0.1532)
OKLCH	oklch(37.84% 0.155 277.4)
XYZ	xyz(7.5314, 4.8614, 27.3240)
Luminance	0.0486 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333091 #8E9130

analogous

#305D91 #333091 #643091

triadic

#333091 #913330 #309133

tetradic

#333091 #91305D #8E9130 #309164

square

#333091 #91305D #8E9130 #309164

split-complementary

#333091 #916430 #5D9130

monochromatic

#131235 #232163 #333091 #433FBF #706DCF

Accessibility & contrast

On white

10.65

#333091 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#333091 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333091

10.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333091	#FFFFFF	#000000	##FFFFFF
##333091	1.00	10.65	1.97	10.65
#FFFFFF	10.65	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004294

Deuteranopia (green-blind)

#003A8F

Tritanopia (blue-blind)

#00495C

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #333091;
/* rgb */ color: rgb(51, 48, 145);
/* oklch */ color: oklch(37.8% 0.155 277.4);

Tailwind

colors: {
  custom: {
    50: '#7669b2',
    500: '#333091',
    950: '#000000',
  },
}

SCSS

$custom: #333091;
$custom-light: #7669b2;
$custom-dark: #000000;

JSON

{
  "hex": "#333091",
  "rgb": {
    "r": 51,
    "g": 48,
    "b": 145
  },
  "hsl": {
    "h": 241.856,
    "s": 50.259,
    "l": 37.843
  },
  "oklch": {
    "l": 0.37839,
    "c": 0.15453,
    "h": 277.4
  },
  "luminance": 0.04862
}

Semantic roles & 50–950 ramp

primary

#333091

secondary

#B4B667

accent

#DA4ED5

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0611

muted

#7C7A80

Preview Lab

Preview with #333091

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

Preview Lab → · Contrast checker → · Palette generator →