#3B4BC4#3B4BC4

#3B4BC4 is a mid, vivid blue. Relative luminance 0.099; OKLCH L 47.7% C 0.188 H 271.5°. Best body text is #FFFFFF at 7.02:1 contrast (WCAG AA passes).

Color values

HEX	#3B4BC4
RGB	rgb(59, 75, 196)
HSL	hsl(233, 54%, 50%)
HSV	hsv(233, 70%, 77%)
CMYK	cmyk(69.9%, 61.7%, 0%, 23.1%)
CIE-LAB	lab(37.75, 34.15, -65.04)
CIE-LCH	lch(37.75, 73.46, 297.70°)
OKLab	oklab(47.68% 0.0048 -0.1877)
OKLCH	oklch(47.68% 0.188 271.5)
XYZ	xyz(14.2801, 9.9461, 53.3811)
Luminance	0.0995 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.74

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4BC4 #C4B43B

analogous

#3B8FC4 #3B4BC4 #703BC4

triadic

#3B4BC4 #C43B4B #4BC43B

tetradic

#3B4BC4 #C43B8F #C4B43B #3BC470

square

#3B4BC4 #C43B8F #C4B43B #3BC470

split-complementary

#3B4BC4 #C4703B #8FC43B

monochromatic

#1F2766 #2D3995 #3B4BC4 #6A76D2 #99A1E0

Accessibility & contrast

On white

7.02

#3B4BC4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#3B4BC4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B4BC4

7.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4BC4	#FFFFFF	#000000	##FFFFFF
##3B4BC4	1.00	7.02	2.99	7.02
#FFFFFF	7.02	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FC8

Deuteranopia (green-blind)

#0053C2

Tritanopia (blue-blind)

#006A80

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #3b4bc4;
/* rgb */ color: rgb(59, 75, 196);
/* oklch */ color: oklch(47.7% 0.188 271.5);

Tailwind

colors: {
  custom: {
    50: '#837dd7',
    500: '#3b4bc4',
    950: '#000000',
  },
}

SCSS

$custom: #3b4bc4;
$custom-light: #837dd7;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4bc4",
  "rgb": {
    "r": 59,
    "g": 75,
    "b": 196
  },
  "hsl": {
    "h": 232.993,
    "s": 53.725,
    "l": 50
  },
  "oklch": {
    "l": 0.47684,
    "c": 0.18777,
    "h": 271.5
  },
  "luminance": 0.09947
}

Semantic roles & 50–950 ramp

primary

#3B4BC4

secondary

#CCC58F

accent

#CC4BDD

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #3B4BC4

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

Preview Lab → · Contrast checker → · Palette generator →