#333BAA#333BAA

#333BAA is a dark, vivid blue. Relative luminance 0.067; OKLCH L 42.1% C 0.175 H 273.0°. Best body text is #FFFFFF at 8.95:1 contrast (WCAG AA passes).

Color values

HEX	#333BAA
RGB	rgb(51, 59, 170)
HSL	hsl(236, 54%, 43%)
HSV	hsv(236, 70%, 67%)
CMYK	cmyk(70%, 65.3%, 0%, 33.3%)
CIE-LAB	lab(31.19, 34.06, -60.41)
CIE-LCH	lch(31.19, 69.35, 299.41°)
OKLab	oklab(42.06% 0.0091 -0.1744)
OKLCH	oklch(42.06% 0.175 273)
XYZ	xyz(10.1825, 6.7330, 38.7854)
Luminance	0.0673 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333BAA #AAA233

analogous

#3376AA #333BAA #6633AA

triadic

#333BAA #AA333B #3BAA33

tetradic

#333BAA #AA3376 #AAA233 #33AA66

square

#333BAA #AA3376 #AAA233 #33AA66

split-complementary

#333BAA #AA6633 #76AA33

monochromatic

#171A4C #252B7B #333BAA #5058CA #7F85D9

Accessibility & contrast

On white

8.95

#333BAA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#333BAA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333BAA

8.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333BAA	#FFFFFF	#000000	##FFFFFF
##333BAA	1.00	8.95	2.35	8.95
#FFFFFF	8.95	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FAE

Deuteranopia (green-blind)

#0044A8

Tritanopia (blue-blind)

#00586D

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #333baa;
/* rgb */ color: rgb(51, 59, 170);
/* oklch */ color: oklch(42.1% 0.175 273.0);

Tailwind

colors: {
  custom: {
    50: '#7b71c4',
    500: '#333baa',
    950: '#000000',
  },
}

SCSS

$custom: #333baa;
$custom-light: #7b71c4;
$custom-dark: #000000;

JSON

{
  "hex": "#333baa",
  "rgb": {
    "r": 51,
    "g": 59,
    "b": 170
  },
  "hsl": {
    "h": 235.966,
    "s": 53.846,
    "l": 43.333
  },
  "oklch": {
    "l": 0.42063,
    "c": 0.17469,
    "h": 273
  },
  "luminance": 0.06734
}

Semantic roles & 50–950 ramp

primary

#333BAA

secondary

#C2BD77

accent

#D34BDD

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #333BAA

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

Preview Lab → · Contrast checker → · Palette generator →