#3B4BBE#3B4BBE

#3B4BBE is a mid, vivid blue. Relative luminance 0.097; OKLCH L 47.2% C 0.180 H 271.6°. Best body text is #FFFFFF at 7.15:1 contrast (WCAG AA passes).

Color values

HEX	#3B4BBE
RGB	rgb(59, 75, 190)
HSL	hsl(233, 53%, 49%)
HSV	hsv(233, 69%, 75%)
CMYK	cmyk(68.9%, 60.5%, 0%, 25.5%)
CIE-LAB	lab(37.26, 32.02, -62.33)
CIE-LCH	lch(37.26, 70.07, 297.19°)
OKLab	oklab(47.17% 0.0049 -0.1797)
OKLCH	oklch(47.17% 0.18 271.6)
XYZ	xyz(13.6108, 9.6784, 49.8560)
Luminance	0.0968 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4BBE #BEAE3B

analogous

#3B8DBE #3B4BBE #6D3BBE

triadic

#3B4BBE #BE3B4B #4BBE3B

tetradic

#3B4BBE #BE3B8D #BEAE3B #3BBE6D

square

#3B4BBE #BE3B8D #BEAE3B #3BBE6D

split-complementary

#3B4BBE #BE6D3B #8DBE3B

monochromatic

#1E2661 #2C398F #3B4BBE #6773D0 #959EDE

Accessibility & contrast

On white

7.15

#3B4BBE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#3B4BBE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B4BBE

7.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4BBE	#FFFFFF	#000000	##FFFFFF
##3B4BBE	1.00	7.15	2.94	7.15
#FFFFFF	7.15	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EC2

Deuteranopia (green-blind)

#0052BC

Tritanopia (blue-blind)

#00687D

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #3b4bbe;
/* rgb */ color: rgb(59, 75, 190);
/* oklch */ color: oklch(47.2% 0.180 271.6);

Tailwind

colors: {
  custom: {
    50: '#817dd2',
    500: '#3b4bbe',
    950: '#000000',
  },
}

SCSS

$custom: #3b4bbe;
$custom-light: #817dd2;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4bbe",
  "rgb": {
    "r": 59,
    "g": 75,
    "b": 190
  },
  "hsl": {
    "h": 232.672,
    "s": 52.61,
    "l": 48.824
  },
  "oklch": {
    "l": 0.47173,
    "c": 0.17982,
    "h": 271.6
  },
  "luminance": 0.0968
}

Semantic roles & 50–950 ramp

primary

#3B4BBE

secondary

#CAC28B

accent

#CA4CDC

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #3B4BBE

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

Preview Lab → · Contrast checker → · Palette generator →