#3B4ABC#3B4ABC

#3B4ABC is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.8% C 0.178 H 271.8°. Best body text is #FFFFFF at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#3B4ABC
RGB	rgb(59, 74, 188)
HSL	hsl(233, 52%, 48%)
HSV	hsv(233, 69%, 74%)
CMYK	cmyk(68.6%, 60.6%, 0%, 26.3%)
CIE-LAB	lab(36.85, 31.95, -61.82)
CIE-LCH	lch(36.85, 69.59, 297.33°)
OKLab	oklab(46.82% 0.0058 -0.1783)
OKLCH	oklch(46.82% 0.178 271.8)
XYZ	xyz(13.3265, 9.4569, 48.6903)
Luminance	0.0946 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4ABC #BCAD3B

analogous

#3B8ABC #3B4ABC #6C3BBC

triadic

#3B4ABC #BC3B4A #4ABC3B

tetradic

#3B4ABC #BC3B8A #BCAD3B #3BBC6C

square

#3B4ABC #BC3B8A #BCAD3B #3BBC6C

split-complementary

#3B4ABC #BC6C3B #8ABC3B

monochromatic

#1E255F #2C388D #3B4ABC #6572CF #949DDD

Accessibility & contrast

On white

7.26

#3B4ABC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#3B4ABC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B4ABC

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4ABC	#FFFFFF	#000000	##FFFFFF
##3B4ABC	1.00	7.26	2.89	7.26
#FFFFFF	7.26	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DC0

Deuteranopia (green-blind)

#0051BA

Tritanopia (blue-blind)

#00677C

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #3b4abc;
/* rgb */ color: rgb(59, 74, 188);
/* oklch */ color: oklch(46.8% 0.178 271.8);

Tailwind

colors: {
  custom: {
    50: '#817cd1',
    500: '#3b4abc',
    950: '#000000',
  },
}

SCSS

$custom: #3b4abc;
$custom-light: #817cd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4abc",
  "rgb": {
    "r": 59,
    "g": 74,
    "b": 188
  },
  "hsl": {
    "h": 233.023,
    "s": 52.227,
    "l": 48.431
  },
  "oklch": {
    "l": 0.4682,
    "c": 0.17836,
    "h": 271.8
  },
  "luminance": 0.09458
}

Semantic roles & 50–950 ramp

primary

#3B4ABC

secondary

#C9C18A

accent

#CB4CDC

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #3B4ABC

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

Preview Lab → · Contrast checker → · Palette generator →