#333289#333289

#333289 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.5% C 0.141 H 277.7°. Best body text is #FFFFFF at 10.72:1 contrast (WCAG AA passes).

Color values

HEX	#333289
RGB	rgb(51, 50, 137)
HSL	hsl(241, 47%, 37%)
HSV	hsv(241, 64%, 54%)
CMYK	cmyk(62.8%, 63.5%, 0%, 46.3%)
CIE-LAB	lab(26.13, 28.19, -48.54)
CIE-LCH	lch(26.13, 56.13, 300.14°)
OKLab	oklab(37.47% 0.0188 -0.1397)
OKLCH	oklch(37.47% 0.141 277.7)
XYZ	xyz(7.0197, 4.7906, 24.2168)
Luminance	0.0479 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333289 #888932

analogous

#325D89 #333289 #5F3289

triadic

#333289 #893332 #328933

tetradic

#333289 #89325D #888932 #32895F

square

#333289 #89325D #888932 #32895F

split-complementary

#333289 #895F32 #5D8932

monochromatic

#12112F #22225C #333289 #4442B6 #6D6CC9

Accessibility & contrast

On white

10.72

#333289 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#333289 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333289

10.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333289	#FFFFFF	#000000	##FFFFFF
##333289	1.00	10.72	1.96	10.72
#FFFFFF	10.72	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00428C

Deuteranopia (green-blind)

#003A87

Tritanopia (blue-blind)

#004858

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #333289;
/* rgb */ color: rgb(51, 50, 137);
/* oklch */ color: oklch(37.5% 0.141 277.7);

Tailwind

colors: {
  custom: {
    50: '#756aac',
    500: '#333289',
    950: '#000000',
  },
}

SCSS

$custom: #333289;
$custom-light: #756aac;
$custom-dark: #000000;

JSON

{
  "hex": "#333289",
  "rgb": {
    "r": 51,
    "g": 50,
    "b": 137
  },
  "hsl": {
    "h": 240.69,
    "s": 46.524,
    "l": 36.667
  },
  "oklch": {
    "l": 0.37472,
    "c": 0.14093,
    "h": 277.7
  },
  "luminance": 0.04791
}

Semantic roles & 50–950 ramp

primary

#333289

secondary

#B0B166

accent

#D652D5

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #333289

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

Preview Lab → · Contrast checker → · Palette generator →