#333EC0#333EC0

#333EC0 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.6% C 0.200 H 271.5°. Best body text is #FFFFFF at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#333EC0
RGB	rgb(51, 62, 192)
HSL	hsl(235, 58%, 48%)
HSV	hsv(235, 73%, 75%)
CMYK	cmyk(73.4%, 67.7%, 0%, 24.7%)
CIE-LAB	lab(33.89, 39.91, -69.04)
CIE-LCH	lch(33.89, 79.75, 300.03°)
OKLab	oklab(44.64% 0.0053 -0.1997)
OKLCH	oklch(44.64% 0.2 271.5)
XYZ	xyz(12.5991, 7.9535, 50.7301)
Luminance	0.0795 (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

#333EC0 #C0B533

analogous

#3385C0 #333EC0 #6E33C0

triadic

#333EC0 #C0333E #3EC033

tetradic

#333EC0 #C03385 #C0B533 #33C06E

square

#333EC0 #C03385 #C0B533 #33C06E

split-complementary

#333EC0 #C06E33 #85C033

monochromatic

#191F5F #262E90 #333EC0 #5C66D4 #8D93E1

Accessibility & contrast

On white

8.10

#333EC0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#333EC0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333EC0

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333EC0	#FFFFFF	#000000	##FFFFFF
##333EC0	1.00	8.10	2.59	8.10
#FFFFFF	8.10	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056C4

Deuteranopia (green-blind)

#0049BE

Tritanopia (blue-blind)

#00617A

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #333ec0;
/* rgb */ color: rgb(51, 62, 192);
/* oklch */ color: oklch(44.6% 0.200 271.5);

Tailwind

colors: {
  custom: {
    50: '#8074d4',
    500: '#333ec0',
    950: '#000000',
  },
}

SCSS

$custom: #333ec0;
$custom-light: #8074d4;
$custom-dark: #000000;

JSON

{
  "hex": "#333ec0",
  "rgb": {
    "r": 51,
    "g": 62,
    "b": 192
  },
  "hsl": {
    "h": 235.319,
    "s": 58.025,
    "l": 47.647
  },
  "oklch": {
    "l": 0.44635,
    "c": 0.19975,
    "h": 271.5
  },
  "luminance": 0.07955
}

Semantic roles & 50–950 ramp

primary

#333EC0

secondary

#CBC584

accent

#D547E1

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #333EC0

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

Preview Lab → · Contrast checker → · Palette generator →