#3B4BBF#3B4BBF

#3B4BBF is a mid, vivid blue. Relative luminance 0.097; OKLCH L 47.3% C 0.181 H 271.6°. Best body text is #FFFFFF at 7.13:1 contrast (WCAG AA passes).

Color values

HEX	#3B4BBF
RGB	rgb(59, 75, 191)
HSL	hsl(233, 53%, 49%)
HSV	hsv(233, 69%, 75%)
CMYK	cmyk(69.1%, 60.7%, 0%, 25.1%)
CIE-LAB	lab(37.34, 32.38, -62.78)
CIE-LCH	lch(37.34, 70.64, 297.28°)
OKLab	oklab(47.26% 0.0049 -0.1811)
OKLCH	oklch(47.26% 0.181 271.6)
XYZ	xyz(13.7205, 9.7222, 50.4336)
Luminance	0.0972 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4BBF #BFAF3B

analogous

#3B8DBF #3B4BBF #6D3BBF

triadic

#3B4BBF #BF3B4B #4BBF3B

tetradic

#3B4BBF #BF3B8D #BFAF3B #3BBF6D

square

#3B4BBF #BF3B8D #BFAF3B #3BBF6D

split-complementary

#3B4BBF #BF6D3B #8DBF3B

monochromatic

#1E2661 #2D3990 #3B4BBF #6774D0 #969FDF

Accessibility & contrast

On white

7.13

#3B4BBF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#3B4BBF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B4BBF

7.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4BBF	#FFFFFF	#000000	##FFFFFF
##3B4BBF	1.00	7.13	2.94	7.13
#FFFFFF	7.13	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EC3

Deuteranopia (green-blind)

#0052BD

Tritanopia (blue-blind)

#00687E

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #3b4bbf;
/* rgb */ color: rgb(59, 75, 191);
/* oklch */ color: oklch(47.3% 0.181 271.6);

Tailwind

colors: {
  custom: {
    50: '#827dd3',
    500: '#3b4bbf',
    950: '#000000',
  },
}

SCSS

$custom: #3b4bbf;
$custom-light: #827dd3;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4bbf",
  "rgb": {
    "r": 59,
    "g": 75,
    "b": 191
  },
  "hsl": {
    "h": 232.727,
    "s": 52.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.47258,
    "c": 0.18115,
    "h": 271.6
  },
  "luminance": 0.09724
}

Semantic roles & 50–950 ramp

primary

#3B4BBF

secondary

#CAC28C

accent

#CB4CDC

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #3B4BBF

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

Preview Lab → · Contrast checker → · Palette generator →