#333CAC#333CAC

#333CAC is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.4% C 0.176 H 272.7°. Best body text is #FFFFFF at 8.81:1 contrast (WCAG AA passes).

Color values

HEX	#333CAC
RGB	rgb(51, 60, 172)
HSL	hsl(236, 54%, 44%)
HSV	hsv(236, 70%, 67%)
CMYK	cmyk(70.3%, 65.1%, 0%, 32.5%)
CIE-LAB	lab(31.61, 34.13, -60.93)
CIE-LCH	lch(31.61, 69.83, 299.26°)
OKLab	oklab(42.42% 0.0083 -0.1759)
OKLCH	oklch(42.42% 0.176 272.7)
XYZ	xyz(10.4250, 6.9131, 39.8067)
Luminance	0.0691 (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

#333CAC #ACA333

analogous

#3378AC #333CAC #6633AC

triadic

#333CAC #AC333C #3CAC33

tetradic

#333CAC #AC3378 #ACA333 #33AC66

square

#333CAC #AC3378 #ACA333 #33AC66

split-complementary

#333CAC #AC6633 #78AC33

monochromatic

#171B4E #252C7D #333CAC #515ACB #8087D9

Accessibility & contrast

On white

8.81

#333CAC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#333CAC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333CAC

8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333CAC	#FFFFFF	#000000	##FFFFFF
##333CAC	1.00	8.81	2.38	8.81
#FFFFFF	8.81	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B0

Deuteranopia (green-blind)

#0045AA

Tritanopia (blue-blind)

#00596E

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #333cac;
/* rgb */ color: rgb(51, 60, 172);
/* oklch */ color: oklch(42.4% 0.176 272.7);

Tailwind

colors: {
  custom: {
    50: '#7b72c6',
    500: '#333cac',
    950: '#000000',
  },
}

SCSS

$custom: #333cac;
$custom-light: #7b72c6;
$custom-dark: #000000;

JSON

{
  "hex": "#333cac",
  "rgb": {
    "r": 51,
    "g": 60,
    "b": 172
  },
  "hsl": {
    "h": 235.537,
    "s": 54.26,
    "l": 43.725
  },
  "oklch": {
    "l": 0.42423,
    "c": 0.17614,
    "h": 272.7
  },
  "luminance": 0.06914
}

Semantic roles & 50–950 ramp

primary

#333CAC

secondary

#C2BD78

accent

#D34ADE

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #333CAC

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

Preview Lab → · Contrast checker → · Palette generator →