#3B4BB5#3B4BB5

#3B4BB5 is a mid, vivid blue. Relative luminance 0.093; OKLCH L 46.4% C 0.168 H 271.7°. Best body text is #FFFFFF at 7.34:1 contrast (WCAG AA passes).

Color values

HEX	#3B4BB5
RGB	rgb(59, 75, 181)
HSL	hsl(232, 51%, 47%)
HSV	hsv(232, 67%, 71%)
CMYK	cmyk(67.4%, 58.6%, 0%, 29%)
CIE-LAB	lab(36.55, 28.82, -58.19)
CIE-LCH	lch(36.55, 64.94, 296.35°)
OKLab	oklab(46.43% 0.005 -0.1676)
OKLCH	oklch(46.43% 0.168 271.7)
XYZ	xyz(12.6574, 9.2970, 44.8346)
Luminance	0.0930 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4BB5 #B5A53B

analogous

#3B88B5 #3B4BB5 #683BB5

triadic

#3B4BB5 #B53B4B #4BB53B

tetradic

#3B4BB5 #B53B88 #B5A53B #3BB568

square

#3B4BB5 #B53B88 #B5A53B #3BB568

split-complementary

#3B4BB5 #B5683B #88B53B

monochromatic

#1D2559 #2C3887 #3B4BB5 #626FCC #909ADB

Accessibility & contrast

On white

7.34

#3B4BB5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#3B4BB5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B4BB5

7.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4BB5	#FFFFFF	#000000	##FFFFFF
##3B4BB5	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)

#005CB9

Deuteranopia (green-blind)

#0051B3

Tritanopia (blue-blind)

#006578

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #3b4bb5;
/* rgb */ color: rgb(59, 75, 181);
/* oklch */ color: oklch(46.4% 0.168 271.7);

Tailwind

colors: {
  custom: {
    50: '#7f7dcc',
    500: '#3b4bb5',
    950: '#000000',
  },
}

SCSS

$custom: #3b4bb5;
$custom-light: #7f7dcc;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4bb5",
  "rgb": {
    "r": 59,
    "g": 75,
    "b": 181
  },
  "hsl": {
    "h": 232.131,
    "s": 50.833,
    "l": 47.059
  },
  "oklch": {
    "l": 0.46425,
    "c": 0.16766,
    "h": 271.7
  },
  "luminance": 0.09298
}

Semantic roles & 50–950 ramp

primary

#3B4BB5

secondary

#C6BD86

accent

#C84DDA

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3B4BB5

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

Preview Lab → · Contrast checker → · Palette generator →