#333BAC#333BAC

#333BAC is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.2% C 0.177 H 272.9°. Best body text is #FFFFFF at 8.89:1 contrast (WCAG AA passes).

Color values

HEX	#333BAC
RGB	rgb(51, 59, 172)
HSL	hsl(236, 54%, 44%)
HSV	hsv(236, 70%, 67%)
CMYK	cmyk(70.3%, 65.7%, 0%, 32.5%)
CIE-LAB	lab(31.37, 34.77, -61.32)
CIE-LCH	lch(31.37, 70.49, 299.55°)
OKLab	oklab(42.25% 0.009 -0.1771)
OKLCH	oklch(42.25% 0.177 272.9)
XYZ	xyz(10.3731, 6.8093, 39.7894)
Luminance	0.0681 (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

#333BAC #ACA433

analogous

#3377AC #333BAC #6733AC

triadic

#333BAC #AC333B #3BAC33

tetradic

#333BAC #AC3377 #ACA433 #33AC67

square

#333BAC #AC3377 #ACA433 #33AC67

split-complementary

#333BAC #AC6733 #77AC33

monochromatic

#171B4E #252B7D #333BAC #5159CB #8086D9

Accessibility & contrast

On white

8.89

#333BAC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#333BAC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333BAC

8.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333BAC	#FFFFFF	#000000	##FFFFFF
##333BAC	1.00	8.89	2.36	8.89
#FFFFFF	8.89	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB0

Deuteranopia (green-blind)

#0044AA

Tritanopia (blue-blind)

#00596E

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #333bac;
/* rgb */ color: rgb(51, 59, 172);
/* oklch */ color: oklch(42.2% 0.177 272.9);

Tailwind

colors: {
  custom: {
    50: '#7b71c6',
    500: '#333bac',
    950: '#000000',
  },
}

SCSS

$custom: #333bac;
$custom-light: #7b71c6;
$custom-dark: #000000;

JSON

{
  "hex": "#333bac",
  "rgb": {
    "r": 51,
    "g": 59,
    "b": 172
  },
  "hsl": {
    "h": 236.033,
    "s": 54.26,
    "l": 43.725
  },
  "oklch": {
    "l": 0.42248,
    "c": 0.17734,
    "h": 272.9
  },
  "luminance": 0.0681
}

Semantic roles & 50–950 ramp

primary

#333BAC

secondary

#C2BE78

accent

#D44ADE

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #333BAC

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

Preview Lab → · Contrast checker → · Palette generator →