#333BAB#333BAB

#333BAB is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.2% C 0.176 H 272.9°. Best body text is #FFFFFF at 8.92:1 contrast (WCAG AA passes).

Color values

HEX	#333BAB
RGB	rgb(51, 59, 171)
HSL	hsl(236, 54%, 44%)
HSV	hsv(236, 70%, 67%)
CMYK	cmyk(70.2%, 65.5%, 0%, 32.9%)
CIE-LAB	lab(31.28, 34.41, -60.86)
CIE-LCH	lch(31.28, 69.92, 299.48°)
OKLab	oklab(42.16% 0.0091 -0.1758)
OKLCH	oklch(42.16% 0.176 272.9)
XYZ	xyz(10.2774, 6.7710, 39.2855)
Luminance	0.0677 (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

#333BAB #ABA333

analogous

#3377AB #333BAB #6733AB

triadic

#333BAB #AB333B #3BAB33

tetradic

#333BAB #AB3377 #ABA333 #33AB67

square

#333BAB #AB3377 #ABA333 #33AB67

split-complementary

#333BAB #AB6733 #77AB33

monochromatic

#171A4D #252B7C #333BAB #5058CB #7F85D9

Accessibility & contrast

On white

8.92

#333BAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#333BAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333BAB

8.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333BAB	#FFFFFF	#000000	##FFFFFF
##333BAB	1.00	8.92	2.35	8.92
#FFFFFF	8.92	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FAF

Deuteranopia (green-blind)

#0044A9

Tritanopia (blue-blind)

#00586D

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #333bab;
/* rgb */ color: rgb(51, 59, 171);
/* oklch */ color: oklch(42.2% 0.176 272.9);

Tailwind

colors: {
  custom: {
    50: '#7b71c5',
    500: '#333bab',
    950: '#000000',
  },
}

SCSS

$custom: #333bab;
$custom-light: #7b71c5;
$custom-dark: #000000;

JSON

{
  "hex": "#333bab",
  "rgb": {
    "r": 51,
    "g": 59,
    "b": 171
  },
  "hsl": {
    "h": 236,
    "s": 54.054,
    "l": 43.529
  },
  "oklch": {
    "l": 0.42155,
    "c": 0.17601,
    "h": 272.9
  },
  "luminance": 0.06772
}

Semantic roles & 50–950 ramp

primary

#333BAB

secondary

#C2BD78

accent

#D44ADD

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #333BAB

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

Preview Lab → · Contrast checker → · Palette generator →