#333CBA#333CBA

#333CBA is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.7% C 0.194 H 272.1°. Best body text is #FFFFFF at 8.41:1 contrast (WCAG AA passes).

Color values

HEX	#333CBA
RGB	rgb(51, 60, 186)
HSL	hsl(236, 57%, 46%)
HSV	hsv(236, 73%, 73%)
CMYK	cmyk(72.6%, 67.7%, 0%, 27.1%)
CIE-LAB	lab(32.87, 39.05, -67.17)
CIE-LCH	lch(32.87, 77.70, 300.18°)
OKLab	oklab(43.73% 0.0071 -0.1942)
OKLCH	oklch(43.73% 0.194 272.1)
XYZ	xyz(11.8410, 7.4795, 47.2645)
Luminance	0.0748 (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

#333CBA #BAB133

analogous

#3380BA #333CBA #6E33BA

triadic

#333CBA #BA333C #3CBA33

tetradic

#333CBA #BA3380 #BAB133 #33BA6E

square

#333CBA #BA3380 #BAB133 #33BA6E

split-complementary

#333CBA #BA6E33 #80BA33

monochromatic

#191D5A #262D8A #333CBA #5961D1 #898FDF

Accessibility & contrast

On white

8.41

#333CBA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#333CBA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333CBA

8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333CBA	#FFFFFF	#000000	##FFFFFF
##333CBA	1.00	8.41	2.50	8.41
#FFFFFF	8.41	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054BE

Deuteranopia (green-blind)

#0047B8

Tritanopia (blue-blind)

#005E76

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #333cba;
/* rgb */ color: rgb(51, 60, 186);
/* oklch */ color: oklch(43.7% 0.194 272.1);

Tailwind

colors: {
  custom: {
    50: '#7e72d0',
    500: '#333cba',
    950: '#000000',
  },
}

SCSS

$custom: #333cba;
$custom-light: #7e72d0;
$custom-dark: #000000;

JSON

{
  "hex": "#333cba",
  "rgb": {
    "r": 51,
    "g": 60,
    "b": 186
  },
  "hsl": {
    "h": 236,
    "s": 56.962,
    "l": 46.471
  },
  "oklch": {
    "l": 0.43732,
    "c": 0.19435,
    "h": 272.1
  },
  "luminance": 0.07481
}

Semantic roles & 50–950 ramp

primary

#333CBA

secondary

#C9C480

accent

#D648E0

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #333CBA

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

Preview Lab → · Contrast checker → · Palette generator →