#333CA0#333CA0

#333CA0 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.3% C 0.160 H 273.2°. Best body text is #FFFFFF at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#333CA0
RGB	rgb(51, 60, 160)
HSL	hsl(235, 52%, 41%)
HSV	hsv(235, 68%, 63%)
CMYK	cmyk(68.1%, 62.5%, 0%, 37.3%)
CIE-LAB	lab(30.57, 29.85, -55.40)
CIE-LCH	lch(30.57, 62.92, 298.31°)
OKLab	oklab(41.34% 0.0089 -0.1597)
OKLCH	oklch(41.34% 0.16 273.2)
XYZ	xyz(9.3241, 6.4727, 34.0089)
Luminance	0.0647 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333CA0 #A09733

analogous

#3373A0 #333CA0 #6133A0

triadic

#333CA0 #A0333C #3CA033

tetradic

#333CA0 #A03373 #A09733 #33A061

square

#333CA0 #A03373 #A09733 #33A061

split-complementary

#333CA0 #A06133 #73A033

monochromatic

#151943 #242B72 #333CA0 #4B55C6 #7981D4

Accessibility & contrast

On white

9.15

#333CA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#333CA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333CA0

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333CA0	#FFFFFF	#000000	##FFFFFF
##333CA0	1.00	9.15	2.29	9.15
#FFFFFF	9.15	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA3

Deuteranopia (green-blind)

#00439E

Tritanopia (blue-blind)

#005568

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #333ca0;
/* rgb */ color: rgb(51, 60, 160);
/* oklch */ color: oklch(41.3% 0.160 273.2);

Tailwind

colors: {
  custom: {
    50: '#7971bd',
    500: '#333ca0',
    950: '#000000',
  },
}

SCSS

$custom: #333ca0;
$custom-light: #7971bd;
$custom-dark: #000000;

JSON

{
  "hex": "#333ca0",
  "rgb": {
    "r": 51,
    "g": 60,
    "b": 160
  },
  "hsl": {
    "h": 235.046,
    "s": 51.659,
    "l": 41.373
  },
  "oklch": {
    "l": 0.41344,
    "c": 0.15999,
    "h": 273.2
  },
  "luminance": 0.06474
}

Semantic roles & 50–950 ramp

primary

#333CA0

secondary

#BDB772

accent

#CF4DDB

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #333CA0

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

Preview Lab → · Contrast checker → · Palette generator →