#3B4EBC#3B4EBC

#3B4EBC is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.6% C 0.173 H 270.8°. Best body text is #FFFFFF at 7.00:1 contrast (WCAG AA passes).

Color values

HEX	#3B4EBC
RGB	rgb(59, 78, 188)
HSL	hsl(231, 52%, 48%)
HSV	hsv(231, 69%, 74%)
CMYK	cmyk(68.6%, 58.5%, 0%, 26.3%)
CIE-LAB	lab(37.86, 29.39, -60.18)
CIE-LCH	lch(37.86, 66.97, 296.03°)
OKLab	oklab(47.57% 0.0026 -0.1734)
OKLCH	oklch(47.57% 0.173 270.8)
XYZ	xyz(13.6020, 10.0081, 48.7821)
Luminance	0.1001 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4EBC #BCA93B

analogous

#3B8EBC #3B4EBC #683BBC

triadic

#3B4EBC #BC3B4E #4EBC3B

tetradic

#3B4EBC #BC3B8E #BCA93B #3BBC68

square

#3B4EBC #BC3B8E #BCA93B #3BBC68

split-complementary

#3B4EBC #BC683B #8EBC3B

monochromatic

#1E275F #2C3B8D #3B4EBC #6575CF #949FDD

Accessibility & contrast

On white

7.00

#3B4EBC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

3.00

#3B4EBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B4EBC

7.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4EBC	#FFFFFF	#000000	##FFFFFF
##3B4EBC	1.00	7.00	3.00	7.00
#FFFFFF	7.00	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	7.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FC0

Deuteranopia (green-blind)

#0053BA

Tritanopia (blue-blind)

#00697D

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #3b4ebc;
/* rgb */ color: rgb(59, 78, 188);
/* oklch */ color: oklch(47.6% 0.173 270.8);

Tailwind

colors: {
  custom: {
    50: '#817fd1',
    500: '#3b4ebc',
    950: '#000000',
  },
}

SCSS

$custom: #3b4ebc;
$custom-light: #817fd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4ebc",
  "rgb": {
    "r": 59,
    "g": 78,
    "b": 188
  },
  "hsl": {
    "h": 231.163,
    "s": 52.227,
    "l": 48.431
  },
  "oklch": {
    "l": 0.47568,
    "c": 0.17343,
    "h": 270.8
  },
  "luminance": 0.10009
}

Semantic roles & 50–950 ramp

primary

#3B4EBC

secondary

#C9BF8A

accent

#C74CDC

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #3B4EBC

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

Preview Lab → · Contrast checker → · Palette generator →