#333498#333498

#333498 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.2% C 0.159 H 275.8°. Best body text is #FFFFFF at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#333498
RGB	rgb(51, 52, 152)
HSL	hsl(239, 50%, 40%)
HSV	hsv(239, 66%, 60%)
CMYK	cmyk(66.4%, 65.8%, 0%, 40.4%)
CIE-LAB	lab(27.92, 32.17, -54.87)
CIE-LCH	lch(27.92, 63.61, 300.38°)
OKLab	oklab(39.18% 0.0159 -0.1583)
OKLCH	oklch(39.18% 0.159 275.8)
XYZ	xyz(8.2589, 5.4261, 30.3118)
Luminance	0.0543 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333498 #989733

analogous

#336798 #333498 #653398

triadic

#333498 #983334 #349833

tetradic

#333498 #983367 #989733 #339865

square

#333498 #983367 #989733 #339865

split-complementary

#333498 #986533 #679833

monochromatic

#14153C #24246A #333498 #4748C1 #7576D1

Accessibility & contrast

On white

10.07

#333498 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#333498 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333498

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333498	#FFFFFF	#000000	##FFFFFF
##333498	1.00	10.07	2.09	10.07
#FFFFFF	10.07	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00469B

Deuteranopia (green-blind)

#003D96

Tritanopia (blue-blind)

#004E61

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #333498;
/* rgb */ color: rgb(51, 52, 152);
/* oklch */ color: oklch(39.2% 0.159 275.8);

Tailwind

colors: {
  custom: {
    50: '#786cb7',
    500: '#333498',
    950: '#000000',
  },
}

SCSS

$custom: #333498;
$custom-light: #786cb7;
$custom-dark: #000000;

JSON

{
  "hex": "#333498",
  "rgb": {
    "r": 51,
    "g": 52,
    "b": 152
  },
  "hsl": {
    "h": 239.406,
    "s": 49.754,
    "l": 39.804
  },
  "oklch": {
    "l": 0.39181,
    "c": 0.15906,
    "h": 275.8
  },
  "luminance": 0.05427
}

Semantic roles & 50–950 ramp

primary

#333498

secondary

#B9B86E

accent

#D84FD9

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #333498

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

Preview Lab → · Contrast checker → · Palette generator →