#333EB8#333EB8

#333EB8 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.9% C 0.190 H 271.8°. Best body text is #FFFFFF at 8.33:1 contrast (WCAG AA passes).

Color values

HEX	#333EB8
RGB	rgb(51, 62, 184)
HSL	hsl(235, 57%, 46%)
HSV	hsv(235, 72%, 72%)
CMYK	cmyk(72.3%, 66.3%, 0%, 27.8%)
CIE-LAB	lab(33.15, 37.11, -65.53)
CIE-LCH	lch(33.15, 75.31, 299.53°)
OKLab	oklab(43.88% 0.006 -0.1894)
OKLCH	oklch(43.88% 0.19 271.8)
XYZ	xyz(11.7367, 7.6086, 46.1882)
Luminance	0.0761 (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

#333EB8 #B8AD33

analogous

#3380B8 #333EB8 #6A33B8

triadic

#333EB8 #B8333E #3EB833

tetradic

#333EB8 #B83380 #B8AD33 #33B86A

square

#333EB8 #B83380 #B8AD33 #33B86A

split-complementary

#333EB8 #B86A33 #80B833

monochromatic

#181E58 #262E88 #333EB8 #5862D1 #888FDE

Accessibility & contrast

On white

8.33

#333EB8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#333EB8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333EB8

8.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333EB8	#FFFFFF	#000000	##FFFFFF
##333EB8	1.00	8.33	2.52	8.33
#FFFFFF	8.33	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054BC

Deuteranopia (green-blind)

#0048B6

Tritanopia (blue-blind)

#005E75

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #333eb8;
/* rgb */ color: rgb(51, 62, 184);
/* oklch */ color: oklch(43.9% 0.190 271.8);

Tailwind

colors: {
  custom: {
    50: '#7e73ce',
    500: '#333eb8',
    950: '#000000',
  },
}

SCSS

$custom: #333eb8;
$custom-light: #7e73ce;
$custom-dark: #000000;

JSON

{
  "hex": "#333eb8",
  "rgb": {
    "r": 51,
    "g": 62,
    "b": 184
  },
  "hsl": {
    "h": 235.038,
    "s": 56.596,
    "l": 46.078
  },
  "oklch": {
    "l": 0.4388,
    "c": 0.18951,
    "h": 271.8
  },
  "luminance": 0.0761
}

Semantic roles & 50–950 ramp

primary

#333EB8

secondary

#C8C27F

accent

#D348E0

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #333EB8

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

Preview Lab → · Contrast checker → · Palette generator →