#3B4FBF#3B4FBF

#3B4FBF is a mid, vivid blue. Relative luminance 0.103; OKLCH L 48.0% C 0.176 H 270.6°. Best body text is #FFFFFF at 6.87:1 contrast (WCAG AA passes).

Color values

HEX	#3B4FBF
RGB	rgb(59, 79, 191)
HSL	hsl(231, 53%, 49%)
HSV	hsv(231, 69%, 75%)
CMYK	cmyk(69.1%, 58.6%, 0%, 25.1%)
CIE-LAB	lab(38.34, 29.82, -61.14)
CIE-LCH	lch(38.34, 68.03, 296.00°)
OKLab	oklab(48% 0.0018 -0.1762)
OKLCH	oklch(48% 0.176 270.6)
XYZ	xyz(14.0004, 10.2820, 50.5269)
Luminance	0.1028 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4FBF #BFAB3B

analogous

#3B91BF #3B4FBF #693BBF

triadic

#3B4FBF #BF3B4F #4FBF3B

tetradic

#3B4FBF #BF3B91 #BFAB3B #3BBF69

square

#3B4FBF #BF3B91 #BFAB3B #3BBF69

split-complementary

#3B4FBF #BF693B #91BF3B

monochromatic

#1E2861 #2D3C90 #3B4FBF #6777D0 #96A1DF

Accessibility & contrast

On white

6.87

#3B4FBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#3B4FBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B4FBF

6.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4FBF	#FFFFFF	#000000	##FFFFFF
##3B4FBF	1.00	6.87	3.06	6.87
#FFFFFF	6.87	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060C3

Deuteranopia (green-blind)

#0054BD

Tritanopia (blue-blind)

#006B7F

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3b4fbf;
/* rgb */ color: rgb(59, 79, 191);
/* oklch */ color: oklch(48.0% 0.176 270.6);

Tailwind

colors: {
  custom: {
    50: '#8180d3',
    500: '#3b4fbf',
    950: '#000000',
  },
}

SCSS

$custom: #3b4fbf;
$custom-light: #8180d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4fbf",
  "rgb": {
    "r": 59,
    "g": 79,
    "b": 191
  },
  "hsl": {
    "h": 230.909,
    "s": 52.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.48003,
    "c": 0.17624,
    "h": 270.6
  },
  "luminance": 0.10283
}

Semantic roles & 50–950 ramp

primary

#3B4FBF

secondary

#CAC18C

accent

#C64CDC

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #3B4FBF

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

Preview Lab → · Contrast checker → · Palette generator →