#3B4CB2#3B4CB2

#3B4CB2 is a mid, vivid blue. Relative luminance 0.093; OKLCH L 46.4% C 0.162 H 271.4°. Best body text is #FFFFFF at 7.34:1 contrast (WCAG AA passes).

Color values

HEX	#3B4CB2
RGB	rgb(59, 76, 178)
HSL	hsl(231, 50%, 46%)
HSV	hsv(231, 67%, 70%)
CMYK	cmyk(66.9%, 57.3%, 0%, 30.2%)
CIE-LAB	lab(36.58, 27.10, -56.37)
CIE-LCH	lch(36.58, 62.55, 295.68°)
OKLab	oklab(46.37% 0.0041 -0.1622)
OKLCH	oklch(46.37% 0.162 271.4)
XYZ	xyz(12.4212, 9.3119, 43.2536)
Luminance	0.0931 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4CB2 #B2A13B

analogous

#3B88B2 #3B4CB2 #663BB2

triadic

#3B4CB2 #B23B4C #4CB23B

tetradic

#3B4CB2 #B23B88 #B2A13B #3BB266

square

#3B4CB2 #B23B88 #B2A13B #3BB266

split-complementary

#3B4CB2 #B2663B #88B23B

monochromatic

#1D2556 #2C3884 #3B4CB2 #606FCA #8E99DA

Accessibility & contrast

On white

7.34

#3B4CB2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#3B4CB2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B4CB2

7.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4CB2	#FFFFFF	#000000	##FFFFFF
##3B4CB2	1.00	7.34	2.86	7.34
#FFFFFF	7.34	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CB5

Deuteranopia (green-blind)

#0051B0

Tritanopia (blue-blind)

#006577

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #3b4cb2;
/* rgb */ color: rgb(59, 76, 178);
/* oklch */ color: oklch(46.4% 0.162 271.4);

Tailwind

colors: {
  custom: {
    50: '#7f7dca',
    500: '#3b4cb2',
    950: '#000000',
  },
}

SCSS

$custom: #3b4cb2;
$custom-light: #7f7dca;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4cb2",
  "rgb": {
    "r": 59,
    "g": 76,
    "b": 178
  },
  "hsl": {
    "h": 231.429,
    "s": 50.211,
    "l": 46.471
  },
  "oklch": {
    "l": 0.46374,
    "c": 0.16228,
    "h": 271.4
  },
  "luminance": 0.09313
}

Semantic roles & 50–950 ramp

primary

#3B4CB2

secondary

#C4BB85

accent

#C64EDA

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3B4CB2

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

Preview Lab → · Contrast checker → · Palette generator →