#333BAD#333BAD

#333BAD is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.3% C 0.179 H 272.9°. Best body text is #FFFFFF at 8.86:1 contrast (WCAG AA passes).

Color values

HEX	#333BAD
RGB	rgb(51, 59, 173)
HSL	hsl(236, 54%, 44%)
HSV	hsv(236, 71%, 68%)
CMYK	cmyk(70.5%, 65.9%, 0%, 32.2%)
CIE-LAB	lab(31.46, 35.12, -61.77)
CIE-LCH	lch(31.46, 71.06, 299.62°)
OKLab	oklab(42.34% 0.0089 -0.1784)
OKLCH	oklch(42.34% 0.179 272.9)
XYZ	xyz(10.4695, 6.8479, 40.2971)
Luminance	0.0685 (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

#333BAD #ADA533

analogous

#3378AD #333BAD #6833AD

triadic

#333BAD #AD333B #3BAD33

tetradic

#333BAD #AD3378 #ADA533 #33AD68

square

#333BAD #AD3378 #ADA533 #33AD68

split-complementary

#333BAD #AD6833 #78AD33

monochromatic

#171B4E #252B7E #333BAD #5159CC #8186DA

Accessibility & contrast

On white

8.86

#333BAD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#333BAD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333BAD

8.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333BAD	#FFFFFF	#000000	##FFFFFF
##333BAD	1.00	8.86	2.37	8.86
#FFFFFF	8.86	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B1

Deuteranopia (green-blind)

#0044AB

Tritanopia (blue-blind)

#00596E

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #333bad;
/* rgb */ color: rgb(51, 59, 173);
/* oklch */ color: oklch(42.3% 0.179 272.9);

Tailwind

colors: {
  custom: {
    50: '#7c71c6',
    500: '#333bad',
    950: '#000000',
  },
}

SCSS

$custom: #333bad;
$custom-light: #7c71c6;
$custom-dark: #000000;

JSON

{
  "hex": "#333bad",
  "rgb": {
    "r": 51,
    "g": 59,
    "b": 173
  },
  "hsl": {
    "h": 236.066,
    "s": 54.464,
    "l": 43.922
  },
  "oklch": {
    "l": 0.4234,
    "c": 0.17865,
    "h": 272.9
  },
  "luminance": 0.06849
}

Semantic roles & 50–950 ramp

primary

#333BAD

secondary

#C3BE79

accent

#D44ADE

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #333BAD

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

Preview Lab → · Contrast checker → · Palette generator →