#333398#333398

#333398 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 39.0% C 0.160 H 276.0°. Best body text is #FFFFFF at 10.16:1 contrast (WCAG AA passes).

Color values

HEX	#333398
RGB	rgb(51, 51, 152)
HSL	hsl(240, 50%, 40%)
HSV	hsv(240, 66%, 60%)
CMYK	cmyk(66.4%, 66.4%, 0%, 40.4%)
CIE-LAB	lab(27.68, 32.81, -55.27)
CIE-LCH	lch(27.68, 64.27, 300.69°)
OKLab	oklab(39.01% 0.0167 -0.1594)
OKLCH	oklch(39.01% 0.16 276)
XYZ	xyz(8.2147, 5.3378, 30.2971)
Luminance	0.0534 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333398 #989833

analogous

#336698 #333398 #663398

triadic

#333398 #983333 #339833

tetradic

#333398 #983366 #989833 #339866

square

#333398 #983366 #989833 #339866

split-complementary

#333398 #986633 #669833

monochromatic

#14143C #24246A #333398 #4747C1 #7575D1

Accessibility & contrast

On white

10.16

#333398 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#333398 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333398

10.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333398	#FFFFFF	#000000	##FFFFFF
##333398	1.00	10.16	2.07	10.16
#FFFFFF	10.16	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00469B

Deuteranopia (green-blind)

#003D96

Tritanopia (blue-blind)

#004D61

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #333398;
/* rgb */ color: rgb(51, 51, 152);
/* oklch */ color: oklch(39.0% 0.160 276.0);

Tailwind

colors: {
  custom: {
    50: '#786bb7',
    500: '#333398',
    950: '#000000',
  },
}

SCSS

$custom: #333398;
$custom-light: #786bb7;
$custom-dark: #000000;

JSON

{
  "hex": "#333398",
  "rgb": {
    "r": 51,
    "g": 51,
    "b": 152
  },
  "hsl": {
    "h": 240,
    "s": 49.754,
    "l": 39.804
  },
  "oklch": {
    "l": 0.39006,
    "c": 0.16029,
    "h": 276
  },
  "luminance": 0.05338
}

Semantic roles & 50–950 ramp

primary

#333398

secondary

#B9B96E

accent

#D94FD9

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0611

muted

#7C7A80

Preview Lab

Preview with #333398

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

Preview Lab → · Contrast checker → · Palette generator →