#3333C3#3333C3

#3333C3 is a dark, highly saturated blue. Relative luminance 0.070; OKLCH L 43.2% C 0.215 H 272.8°. Best body text is #FFFFFF at 8.74:1 contrast (WCAG AA passes).

Color values

HEX	#3333C3
RGB	rgb(51, 51, 195)
HSL	hsl(240, 59%, 48%)
HSV	hsv(240, 74%, 76%)
CMYK	cmyk(73.8%, 73.8%, 0%, 23.5%)
CIE-LAB	lab(31.83, 47.40, -74.18)
CIE-LCH	lch(31.83, 88.03, 302.58°)
OKLab	oklab(43.25% 0.0106 -0.2147)
OKLCH	oklch(43.25% 0.215 272.8)
XYZ	xyz(12.3961, 7.0103, 52.3190)
Luminance	0.0701 (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

#3333C3 #C3C333

analogous

#337BC3 #3333C3 #7B33C3

triadic

#3333C3 #C33333 #33C333

tetradic

#3333C3 #C3337B #C3C333 #33C37B

square

#3333C3 #C3337B #C3C333 #33C37B

split-complementary

#3333C3 #C37B33 #7BC333

monochromatic

#1A1A62 #262692 #3333C3 #5E5ED5 #8F8FE2

Accessibility & contrast

On white

8.74

#3333C3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#3333C3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3333C3

8.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3333C3	#FFFFFF	#000000	##FFFFFF
##3333C3	1.00	8.74	2.40	8.74
#FFFFFF	8.74	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052C7

Deuteranopia (green-blind)

#0044C0

Tritanopia (blue-blind)

#005D78

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3333c3;
/* rgb */ color: rgb(51, 51, 195);
/* oklch */ color: oklch(43.2% 0.215 272.8);

Tailwind

colors: {
  custom: {
    50: '#816cd6',
    500: '#3333c3',
    950: '#000000',
  },
}

SCSS

$custom: #3333c3;
$custom-light: #816cd6;
$custom-dark: #000000;

JSON

{
  "hex": "#3333c3",
  "rgb": {
    "r": 51,
    "g": 51,
    "b": 195
  },
  "hsl": {
    "h": 240,
    "s": 58.537,
    "l": 48.235
  },
  "oklch": {
    "l": 0.43247,
    "c": 0.21493,
    "h": 272.8
  },
  "luminance": 0.07012
}

Semantic roles & 50–950 ramp

primary

#3333C3

secondary

#CCCC86

accent

#E246E2

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0715

muted

#7D7A83

Preview Lab

Preview with #3333C3

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

Preview Lab → · Contrast checker → · Palette generator →