#3333D1#3333D1

#3333D1 is a dark, highly saturated blue. Relative luminance 0.077; OKLCH L 44.7% C 0.232 H 272.0°. Best body text is #FFFFFF at 8.28:1 contrast (WCAG AA passes).

Color values

HEX	#3333D1
RGB	rgb(51, 51, 209)
HSL	hsl(240, 63%, 51%)
HSV	hsv(240, 76%, 82%)
CMYK	cmyk(75.6%, 75.6%, 0%, 18%)
CIE-LAB	lab(33.29, 51.93, -79.93)
CIE-LCH	lch(33.29, 95.32, 303.01°)
OKLab	oklab(44.72% 0.0081 -0.2314)
OKLCH	oklch(44.72% 0.232 272)
XYZ	xyz(14.0538, 7.6734, 61.0497)
Luminance	0.0767 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 3.81

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3333D1 #D1D133

analogous

#3382D1 #3333D1 #8233D1

triadic

#3333D1 #D13333 #33D133

tetradic

#3333D1 #D13382 #D1D133 #33D182

square

#3333D1 #D13382 #D1D133 #33D182

split-complementary

#3333D1 #D18233 #82D133

monochromatic

#191970 #2525A2 #3333D1 #6565DC #9797E8

Accessibility & contrast

On white

8.28

#3333D1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#3333D1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3333D1

8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3333D1	#FFFFFF	#000000	##FFFFFF
##3333D1	1.00	8.28	2.53	8.28
#FFFFFF	8.28	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056D6

Deuteranopia (green-blind)

#0046CE

Tritanopia (blue-blind)

#006280

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3333d1;
/* rgb */ color: rgb(51, 51, 209);
/* oklch */ color: oklch(44.7% 0.232 272.0);

Tailwind

colors: {
  custom: {
    50: '#856de1',
    500: '#3333d1',
    950: '#000000',
  },
}

SCSS

$custom: #3333d1;
$custom-light: #856de1;
$custom-dark: #000000;

JSON

{
  "hex": "#3333d1",
  "rgb": {
    "r": 51,
    "g": 51,
    "b": 209
  },
  "hsl": {
    "h": 240,
    "s": 63.2,
    "l": 50.98
  },
  "oklch": {
    "l": 0.44716,
    "c": 0.23152,
    "h": 272
  },
  "luminance": 0.07675
}

Semantic roles & 50–950 ramp

primary

#3333D1

secondary

#D3D38D

accent

#E642E6

background

#F9F6FE

surface

#F1ECFC

border

#CBC7D5

text

#0D0715

muted

#7E7A84

Preview Lab

Preview with #3333D1

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

Preview Lab → · Contrast checker → · Palette generator →