#3333C6#3333C6

#3333C6 is a dark, highly saturated blue. Relative luminance 0.071; OKLCH L 43.6% C 0.219 H 272.6°. Best body text is #FFFFFF at 8.64:1 contrast (WCAG AA passes).

Color values

HEX	#3333C6
RGB	rgb(51, 51, 198)
HSL	hsl(240, 59%, 49%)
HSV	hsv(240, 74%, 78%)
CMYK	cmyk(74.2%, 74.2%, 0%, 22.4%)
CIE-LAB	lab(32.14, 48.38, -75.43)
CIE-LCH	lch(32.14, 89.61, 302.67°)
OKLab	oklab(43.56% 0.0101 -0.2183)
OKLCH	oklch(43.56% 0.219 272.6)
XYZ	xyz(12.7387, 7.1473, 54.1234)
Luminance	0.0715 (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

#3333C6 #C6C633

analogous

#337DC6 #3333C6 #7D33C6

triadic

#3333C6 #C63333 #33C633

tetradic

#3333C6 #C6337D #C6C633 #33C67D

square

#3333C6 #C6337D #C6C633 #33C67D

split-complementary

#3333C6 #C67D33 #7DC633

monochromatic

#1A1A65 #262695 #3333C6 #6060D6 #9191E3

Accessibility & contrast

On white

8.64

#3333C6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#3333C6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3333C6

8.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3333C6	#FFFFFF	#000000	##FFFFFF
##3333C6	1.00	8.64	2.43	8.64
#FFFFFF	8.64	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053CA

Deuteranopia (green-blind)

#0044C3

Tritanopia (blue-blind)

#005E7A

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3333c6;
/* rgb */ color: rgb(51, 51, 198);
/* oklch */ color: oklch(43.6% 0.219 272.6);

Tailwind

colors: {
  custom: {
    50: '#826dd9',
    500: '#3333c6',
    950: '#000000',
  },
}

SCSS

$custom: #3333c6;
$custom-light: #826dd9;
$custom-dark: #000000;

JSON

{
  "hex": "#3333c6",
  "rgb": {
    "r": 51,
    "g": 51,
    "b": 198
  },
  "hsl": {
    "h": 240,
    "s": 59.036,
    "l": 48.824
  },
  "oklch": {
    "l": 0.43559,
    "c": 0.21852,
    "h": 272.6
  },
  "luminance": 0.07149
}

Semantic roles & 50–950 ramp

primary

#3333C6

secondary

#CDCD87

accent

#E246E2

background

#F8F6FD

surface

#F0ECFB

border

#CBC7D4

text

#0C0715

muted

#7D7A83

Preview Lab

Preview with #3333C6

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

Preview Lab → · Contrast checker → · Palette generator →