#3333C9#3333C9

#3333C9 is a dark, highly saturated blue. Relative luminance 0.073; OKLCH L 43.9% C 0.222 H 272.5°. Best body text is #FFFFFF at 8.54:1 contrast (WCAG AA passes).

Color values

HEX	#3333C9
RGB	rgb(51, 51, 201)
HSL	hsl(240, 60%, 49%)
HSV	hsv(240, 75%, 79%)
CMYK	cmyk(74.6%, 74.6%, 0%, 21.2%)
CIE-LAB	lab(32.45, 49.35, -76.67)
CIE-LCH	lch(32.45, 91.18, 302.77°)
OKLab	oklab(43.87% 0.0095 -0.2219)
OKLCH	oklch(43.87% 0.222 272.5)
XYZ	xyz(13.0881, 7.2871, 55.9638)
Luminance	0.0729 (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

#3333C9 #C9C933

analogous

#337EC9 #3333C9 #7E33C9

triadic

#3333C9 #C93333 #33C933

tetradic

#3333C9 #C9337E #C9C933 #33C97E

square

#3333C9 #C9337E #C9C933 #33C97E

split-complementary

#3333C9 #C97E33 #7EC933

monochromatic

#1A1A67 #272798 #3333C9 #6262D7 #9393E4

Accessibility & contrast

On white

8.54

#3333C9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#3333C9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3333C9

8.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3333C9	#FFFFFF	#000000	##FFFFFF
##3333C9	1.00	8.54	2.46	8.54
#FFFFFF	8.54	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054CD

Deuteranopia (green-blind)

#0045C6

Tritanopia (blue-blind)

#005F7C

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3333c9;
/* rgb */ color: rgb(51, 51, 201);
/* oklch */ color: oklch(43.9% 0.222 272.5);

Tailwind

colors: {
  custom: {
    50: '#836ddb',
    500: '#3333c9',
    950: '#000000',
  },
}

SCSS

$custom: #3333c9;
$custom-light: #836ddb;
$custom-dark: #000000;

JSON

{
  "hex": "#3333c9",
  "rgb": {
    "r": 51,
    "g": 51,
    "b": 201
  },
  "hsl": {
    "h": 240,
    "s": 59.524,
    "l": 49.412
  },
  "oklch": {
    "l": 0.43873,
    "c": 0.22209,
    "h": 272.5
  },
  "luminance": 0.07289
}

Semantic roles & 50–950 ramp

primary

#3333C9

secondary

#CFCF89

accent

#E345E3

background

#F8F6FD

surface

#F0ECFB

border

#CBC7D4

text

#0D0715

muted

#7D7A83

Preview Lab

Preview with #3333C9

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

Preview Lab → · Contrast checker → · Palette generator →