#3B4BB7#3B4BB7

#3B4BB7 is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.6% C 0.170 H 271.7°. Best body text is #FFFFFF at 7.30:1 contrast (WCAG AA passes).

Color values

HEX	#3B4BB7
RGB	rgb(59, 75, 183)
HSL	hsl(232, 51%, 47%)
HSV	hsv(232, 68%, 72%)
CMYK	cmyk(67.8%, 59%, 0%, 28.2%)
CIE-LAB	lab(36.71, 29.54, -59.12)
CIE-LCH	lch(36.71, 66.08, 296.55°)
OKLab	oklab(46.59% 0.005 -0.1703)
OKLCH	oklch(46.59% 0.17 271.7)
XYZ	xyz(12.8641, 9.3797, 45.9231)
Luminance	0.0938 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4BB7 #B7A73B

analogous

#3B89B7 #3B4BB7 #693BB7

triadic

#3B4BB7 #B73B4B #4BB73B

tetradic

#3B4BB7 #B73B89 #B7A73B #3BB769

square

#3B4BB7 #B73B89 #B7A73B #3BB769

split-complementary

#3B4BB7 #B7693B #89B73B

monochromatic

#1D255A #2C3889 #3B4BB7 #6370CD #919BDC

Accessibility & contrast

On white

7.30

#3B4BB7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#3B4BB7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B4BB7

7.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4BB7	#FFFFFF	#000000	##FFFFFF
##3B4BB7	1.00	7.30	2.88	7.30
#FFFFFF	7.30	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CBB

Deuteranopia (green-blind)

#0051B5

Tritanopia (blue-blind)

#006679

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #3b4bb7;
/* rgb */ color: rgb(59, 75, 183);
/* oklch */ color: oklch(46.6% 0.170 271.7);

Tailwind

colors: {
  custom: {
    50: '#807dcd',
    500: '#3b4bb7',
    950: '#000000',
  },
}

SCSS

$custom: #3b4bb7;
$custom-light: #807dcd;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4bb7",
  "rgb": {
    "r": 59,
    "g": 75,
    "b": 183
  },
  "hsl": {
    "h": 232.258,
    "s": 51.24,
    "l": 47.451
  },
  "oklch": {
    "l": 0.4659,
    "c": 0.17039,
    "h": 271.7
  },
  "luminance": 0.09381
}

Semantic roles & 50–950 ramp

primary

#3B4BB7

secondary

#C6BE87

accent

#C84DDB

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #3B4BB7

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

Preview Lab → · Contrast checker → · Palette generator →