#3333C4#3333C4

#3333C4 is a dark, highly saturated blue. Relative luminance 0.071; OKLCH L 43.4% C 0.216 H 272.8°. Best body text is #FFFFFF at 8.71:1 contrast (WCAG AA passes).

Color values

HEX	#3333C4
RGB	rgb(51, 51, 196)
HSL	hsl(240, 59%, 48%)
HSV	hsv(240, 74%, 77%)
CMYK	cmyk(74%, 74%, 0%, 23.1%)
CIE-LAB	lab(31.93, 47.72, -74.60)
CIE-LCH	lch(31.93, 88.56, 302.61°)
OKLab	oklab(43.35% 0.0104 -0.2159)
OKLCH	oklch(43.35% 0.216 272.8)
XYZ	xyz(12.5095, 7.0557, 52.9165)
Luminance	0.0706 (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

#3333C4 #C4C433

analogous

#337BC4 #3333C4 #7B33C4

triadic

#3333C4 #C43333 #33C433

tetradic

#3333C4 #C4337B #C4C433 #33C47B

square

#3333C4 #C4337B #C4C433 #33C47B

split-complementary

#3333C4 #C47B33 #7BC433

monochromatic

#1A1A63 #262693 #3333C4 #5F5FD5 #8F8FE2

Accessibility & contrast

On white

8.71

#3333C4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#3333C4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3333C4

8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3333C4	#FFFFFF	#000000	##FFFFFF
##3333C4	1.00	8.71	2.41	8.71
#FFFFFF	8.71	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052C8

Deuteranopia (green-blind)

#0044C1

Tritanopia (blue-blind)

#005D79

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3333c4;
/* rgb */ color: rgb(51, 51, 196);
/* oklch */ color: oklch(43.4% 0.216 272.8);

Tailwind

colors: {
  custom: {
    50: '#826dd7',
    500: '#3333c4',
    950: '#000000',
  },
}

SCSS

$custom: #3333c4;
$custom-light: #826dd7;
$custom-dark: #000000;

JSON

{
  "hex": "#3333c4",
  "rgb": {
    "r": 51,
    "g": 51,
    "b": 196
  },
  "hsl": {
    "h": 240,
    "s": 58.704,
    "l": 48.431
  },
  "oklch": {
    "l": 0.43351,
    "c": 0.21613,
    "h": 272.8
  },
  "luminance": 0.07057
}

Semantic roles & 50–950 ramp

primary

#3333C4

secondary

#CDCD86

accent

#E246E2

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0715

muted

#7D7A83

Preview Lab

Preview with #3333C4

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

Preview Lab → · Contrast checker → · Palette generator →