#3333C5#3333C5

#3333C5 is a dark, highly saturated blue. Relative luminance 0.071; OKLCH L 43.5% C 0.217 H 272.7°. Best body text is #FFFFFF at 8.68:1 contrast (WCAG AA passes).

Color values

HEX	#3333C5
RGB	rgb(51, 51, 197)
HSL	hsl(240, 59%, 49%)
HSV	hsv(240, 74%, 77%)
CMYK	cmyk(74.1%, 74.1%, 0%, 22.7%)
CIE-LAB	lab(32.04, 48.05, -75.02)
CIE-LCH	lch(32.04, 89.09, 302.64°)
OKLab	oklab(43.46% 0.0102 -0.2171)
OKLCH	oklch(43.46% 0.217 272.7)
XYZ	xyz(12.6237, 7.1014, 53.5179)
Luminance	0.0710 (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

#3333C5 #C5C533

analogous

#337CC5 #3333C5 #7C33C5

triadic

#3333C5 #C53333 #33C533

tetradic

#3333C5 #C5337C #C5C533 #33C57C

square

#3333C5 #C5337C #C5C533 #33C57C

split-complementary

#3333C5 #C57C33 #7CC533

monochromatic

#1A1A64 #262694 #3333C5 #5F5FD6 #9090E2

Accessibility & contrast

On white

8.68

#3333C5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#3333C5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3333C5

8.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3333C5	#FFFFFF	#000000	##FFFFFF
##3333C5	1.00	8.68	2.42	8.68
#FFFFFF	8.68	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052C9

Deuteranopia (green-blind)

#0044C2

Tritanopia (blue-blind)

#005D79

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3333c5;
/* rgb */ color: rgb(51, 51, 197);
/* oklch */ color: oklch(43.5% 0.217 272.7);

Tailwind

colors: {
  custom: {
    50: '#826dd8',
    500: '#3333c5',
    950: '#000000',
  },
}

SCSS

$custom: #3333c5;
$custom-light: #826dd8;
$custom-dark: #000000;

JSON

{
  "hex": "#3333c5",
  "rgb": {
    "r": 51,
    "g": 51,
    "b": 197
  },
  "hsl": {
    "h": 240,
    "s": 58.871,
    "l": 48.627
  },
  "oklch": {
    "l": 0.43455,
    "c": 0.21733,
    "h": 272.7
  },
  "luminance": 0.07103
}

Semantic roles & 50–950 ramp

primary

#3333C5

secondary

#CDCD87

accent

#E246E2

background

#F8F6FD

surface

#F0EBFB

border

#CBC6D4

text

#0C0715

muted

#7D7A83

Preview Lab

Preview with #3333C5

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

Preview Lab → · Contrast checker → · Palette generator →