#333EB2#333EB2

#333EB2 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.3% C 0.182 H 272.0°. Best body text is #FFFFFF at 8.49:1 contrast (WCAG AA passes).

Color values

HEX	#333EB2
RGB	rgb(51, 62, 178)
HSL	hsl(235, 55%, 45%)
HSV	hsv(235, 71%, 70%)
CMYK	cmyk(71.3%, 65.2%, 0%, 30.2%)
CIE-LAB	lab(32.62, 34.99, -62.85)
CIE-LCH	lch(32.62, 71.93, 299.11°)
OKLab	oklab(43.32% 0.0065 -0.1816)
OKLCH	oklch(43.32% 0.182 272)
XYZ	xyz(11.1210, 7.3623, 42.9458)
Luminance	0.0736 (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

#333EB2 #B2A733

analogous

#337EB2 #333EB2 #6733B2

triadic

#333EB2 #B2333E #3EB233

tetradic

#333EB2 #B2337E #B2A733 #33B267

square

#333EB2 #B2337E #B2A733 #33B267

split-complementary

#333EB2 #B26733 #7EB233

monochromatic

#181D53 #252D82 #333EB2 #545FCE #848BDC

Accessibility & contrast

On white

8.49

#333EB2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#333EB2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333EB2

8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333EB2	#FFFFFF	#000000	##FFFFFF
##333EB2	1.00	8.49	2.47	8.49
#FFFFFF	8.49	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B6

Deuteranopia (green-blind)

#0047B0

Tritanopia (blue-blind)

#005C72

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #333eb2;
/* rgb */ color: rgb(51, 62, 178);
/* oklch */ color: oklch(43.3% 0.182 272.0);

Tailwind

colors: {
  custom: {
    50: '#7c73ca',
    500: '#333eb2',
    950: '#000000',
  },
}

SCSS

$custom: #333eb2;
$custom-light: #7c73ca;
$custom-dark: #000000;

JSON

{
  "hex": "#333eb2",
  "rgb": {
    "r": 51,
    "g": 62,
    "b": 178
  },
  "hsl": {
    "h": 234.803,
    "s": 55.459,
    "l": 44.902
  },
  "oklch": {
    "l": 0.43324,
    "c": 0.18169,
    "h": 272
  },
  "luminance": 0.07363
}

Semantic roles & 50–950 ramp

primary

#333EB2

secondary

#C5BF7C

accent

#D249DF

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #333EB2

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

Preview Lab → · Contrast checker → · Palette generator →