#333DB2#333DB2

#333DB2 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.1% C 0.183 H 272.2°. Best body text is #FFFFFF at 8.57:1 contrast (WCAG AA passes).

Color values

HEX	#333DB2
RGB	rgb(51, 61, 178)
HSL	hsl(235, 55%, 45%)
HSV	hsv(235, 71%, 70%)
CMYK	cmyk(71.3%, 65.7%, 0%, 30.2%)
CIE-LAB	lab(32.38, 35.62, -63.24)
CIE-LCH	lch(32.38, 72.58, 299.39°)
OKLab	oklab(43.15% 0.0071 -0.1827)
OKLCH	oklch(43.15% 0.183 272.2)
XYZ	xyz(11.0672, 7.2546, 42.9279)
Luminance	0.0726 (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

#333DB2 #B2A833

analogous

#337CB2 #333DB2 #6933B2

triadic

#333DB2 #B2333D #3DB233

tetradic

#333DB2 #B2337C #B2A833 #33B269

square

#333DB2 #B2337C #B2A833 #33B269

split-complementary

#333DB2 #B26933 #7CB233

monochromatic

#181C53 #252D82 #333DB2 #545ECE #848BDC

Accessibility & contrast

On white

8.57

#333DB2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#333DB2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333DB2

8.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333DB2	#FFFFFF	#000000	##FFFFFF
##333DB2	1.00	8.57	2.45	8.57
#FFFFFF	8.57	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B6

Deuteranopia (green-blind)

#0046B0

Tritanopia (blue-blind)

#005C72

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #333db2;
/* rgb */ color: rgb(51, 61, 178);
/* oklch */ color: oklch(43.1% 0.183 272.2);

Tailwind

colors: {
  custom: {
    50: '#7d73ca',
    500: '#333db2',
    950: '#000000',
  },
}

SCSS

$custom: #333db2;
$custom-light: #7d73ca;
$custom-dark: #000000;

JSON

{
  "hex": "#333db2",
  "rgb": {
    "r": 51,
    "g": 61,
    "b": 178
  },
  "hsl": {
    "h": 235.276,
    "s": 55.459,
    "l": 44.902
  },
  "oklch": {
    "l": 0.4315,
    "c": 0.18287,
    "h": 272.2
  },
  "luminance": 0.07256
}

Semantic roles & 50–950 ramp

primary

#333DB2

secondary

#C5BF7C

accent

#D349DF

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #333DB2

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

Preview Lab → · Contrast checker → · Palette generator →