#3B3BBC#3B3BBC

#3B3BBC is a dark, vivid blue. Relative luminance 0.077; OKLCH L 44.2% C 0.196 H 274.9°. Best body text is #FFFFFF at 8.27:1 contrast (WCAG AA passes).

Color values

HEX	#3B3BBC
RGB	rgb(59, 59, 188)
HSL	hsl(240, 52%, 48%)
HSV	hsv(240, 69%, 74%)
CMYK	cmyk(68.6%, 68.6%, 0%, 26.3%)
CIE-LAB	lab(33.32, 41.27, -67.59)
CIE-LCH	lch(33.32, 79.20, 301.41°)
OKLab	oklab(44.24% 0.0166 -0.1953)
OKLCH	oklch(44.24% 0.196 274.9)
XYZ	xyz(12.4417, 7.6874, 48.3953)
Luminance	0.0769 (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

#3B3BBC #BCBC3B

analogous

#3B7BBC #3B3BBC #7B3BBC

triadic

#3B3BBC #BC3B3B #3BBC3B

tetradic

#3B3BBC #BC3B7B #BCBC3B #3BBC7B

square

#3B3BBC #BC3B7B #BCBC3B #3BBC7B

split-complementary

#3B3BBC #BC7B3B #7BBC3B

monochromatic

#1E1E5F #2C2C8D #3B3BBC #6565CF #9494DD

Accessibility & contrast

On white

8.27

#3B3BBC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#3B3BBC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B3BBC

8.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B3BBC	#FFFFFF	#000000	##FFFFFF
##3B3BBC	1.00	8.27	2.54	8.27
#FFFFFF	8.27	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C0

Deuteranopia (green-blind)

#0048BA

Tritanopia (blue-blind)

#005E77

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3b3bbc;
/* rgb */ color: rgb(59, 59, 188);
/* oklch */ color: oklch(44.2% 0.196 274.9);

Tailwind

colors: {
  custom: {
    50: '#8272d1',
    500: '#3b3bbc',
    950: '#000000',
  },
}

SCSS

$custom: #3b3bbc;
$custom-light: #8272d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3b3bbc",
  "rgb": {
    "r": 59,
    "g": 59,
    "b": 188
  },
  "hsl": {
    "h": 240,
    "s": 52.227,
    "l": 48.431
  },
  "oklch": {
    "l": 0.44243,
    "c": 0.19598,
    "h": 274.9
  },
  "luminance": 0.07689
}

Semantic roles & 50–950 ramp

primary

#3B3BBC

secondary

#C9C98A

accent

#DC4CDC

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3B3BBC

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

Preview Lab → · Contrast checker → · Palette generator →