#3B4BBC#3B4BBC

#3B4BBC is a mid, vivid blue. Relative luminance 0.096; OKLCH L 47.0% C 0.177 H 271.6°. Best body text is #FFFFFF at 7.20:1 contrast (WCAG AA passes).

Color values

HEX	#3B4BBC
RGB	rgb(59, 75, 188)
HSL	hsl(233, 52%, 48%)
HSV	hsv(233, 69%, 74%)
CMYK	cmyk(68.6%, 60.1%, 0%, 26.3%)
CIE-LAB	lab(37.10, 31.31, -61.41)
CIE-LCH	lch(37.10, 68.94, 297.02°)
OKLab	oklab(47.01% 0.005 -0.1771)
OKLCH	oklch(47.01% 0.177 271.6)
XYZ	xyz(13.3937, 9.5915, 48.7127)
Luminance	0.0959 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4BBC #BCAC3B

analogous

#3B8BBC #3B4BBC #6B3BBC

triadic

#3B4BBC #BC3B4B #4BBC3B

tetradic

#3B4BBC #BC3B8B #BCAC3B #3BBC6B

square

#3B4BBC #BC3B8B #BCAC3B #3BBC6B

split-complementary

#3B4BBC #BC6B3B #8BBC3B

monochromatic

#1E265F #2C388D #3B4BBC #6572CF #949DDD

Accessibility & contrast

On white

7.20

#3B4BBC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#3B4BBC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B4BBC

7.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4BBC	#FFFFFF	#000000	##FFFFFF
##3B4BBC	1.00	7.20	2.92	7.20
#FFFFFF	7.20	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DC0

Deuteranopia (green-blind)

#0052BA

Tritanopia (blue-blind)

#00677C

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #3b4bbc;
/* rgb */ color: rgb(59, 75, 188);
/* oklch */ color: oklch(47.0% 0.177 271.6);

Tailwind

colors: {
  custom: {
    50: '#817dd1',
    500: '#3b4bbc',
    950: '#000000',
  },
}

SCSS

$custom: #3b4bbc;
$custom-light: #817dd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4bbc",
  "rgb": {
    "r": 59,
    "g": 75,
    "b": 188
  },
  "hsl": {
    "h": 232.558,
    "s": 52.227,
    "l": 48.431
  },
  "oklch": {
    "l": 0.47005,
    "c": 0.17714,
    "h": 271.6
  },
  "luminance": 0.09593
}

Semantic roles & 50–950 ramp

primary

#3B4BBC

secondary

#C9C18A

accent

#CA4CDC

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #3B4BBC

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

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