#3B33DC#3B33DC

#3B33DC is a mid, highly saturated blue. Relative luminance 0.085; OKLCH L 46.3% C 0.242 H 273.6°. Best body text is #FFFFFF at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#3B33DC
RGB	rgb(59, 51, 220)
HSL	hsl(243, 71%, 53%)
HSV	hsv(243, 77%, 86%)
CMYK	cmyk(73.2%, 76.8%, 0%, 13.7%)
CIE-LAB	lab(34.93, 55.99, -83.56)
CIE-LCH	lch(34.93, 100.58, 303.82°)
OKLab	oklab(46.34% 0.0151 -0.2417)
OKLCH	oklch(46.34% 0.242 273.6)
XYZ	xyz(15.9014, 8.4631, 68.4918)
Luminance	0.0847 (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

#3B33DC #D4DC33

analogous

#3380DC #3B33DC #8F33DC

triadic

#3B33DC #DC3B33 #33DC3B

tetradic

#3B33DC #DC3380 #D4DC33 #33DC8F

square

#3B33DC #DC3380 #D4DC33 #33DC8F

split-complementary

#3B33DC #DC8F33 #80DC33

monochromatic

#1B167F #261FB3 #3B33DC #6D67E5 #9F9BEE

Accessibility & contrast

On white

7.80

#3B33DC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#3B33DC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B33DC

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B33DC	#FFFFFF	#000000	##FFFFFF
##3B33DC	1.00	7.80	2.69	7.80
#FFFFFF	7.80	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AE1

Deuteranopia (green-blind)

#004AD9

Tritanopia (blue-blind)

#006687

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3b33dc;
/* rgb */ color: rgb(59, 51, 220);
/* oklch */ color: oklch(46.3% 0.242 273.6);

Tailwind

colors: {
  custom: {
    50: '#8a6ee8',
    500: '#3b33dc',
    950: '#000000',
  },
}

SCSS

$custom: #3b33dc;
$custom-light: #8a6ee8;
$custom-dark: #000000;

JSON

{
  "hex": "#3b33dc",
  "rgb": {
    "r": 59,
    "g": 51,
    "b": 220
  },
  "hsl": {
    "h": 242.84,
    "s": 70.711,
    "l": 53.137
  },
  "oklch": {
    "l": 0.46336,
    "c": 0.24221,
    "h": 273.6
  },
  "luminance": 0.08465
}

Semantic roles & 50–950 ramp

primary

#3B33DC

secondary

#D6DA91

accent

#ED3AE5

background

#F9F6FE

surface

#F2ECFD

border

#CCC7D5

text

#0E0716

muted

#7E7A84

Preview Lab

Preview with #3B33DC

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

Preview Lab → · Contrast checker → · Palette generator →