#3B4BB0#3B4BB0

#3B4BB0 is a mid, vivid blue. Relative luminance 0.091; OKLCH L 46.0% C 0.161 H 271.7°. Best body text is #FFFFFF at 7.45:1 contrast (WCAG AA passes).

Color values

HEX	#3B4BB0
RGB	rgb(59, 75, 176)
HSL	hsl(232, 50%, 46%)
HSV	hsv(232, 66%, 69%)
CMYK	cmyk(66.5%, 57.4%, 0%, 31%)
CIE-LAB	lab(36.17, 27.04, -55.85)
CIE-LCH	lch(36.17, 62.05, 295.83°)
OKLab	oklab(46.02% 0.0049 -0.1607)
OKLCH	oklch(46.02% 0.161 271.7)
XYZ	xyz(12.1535, 9.0954, 42.1810)
Luminance	0.0910 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4BB0 #B0A03B

analogous

#3B85B0 #3B4BB0 #653BB0

triadic

#3B4BB0 #B03B4B #4BB03B

tetradic

#3B4BB0 #B03B85 #B0A03B #3BB065

square

#3B4BB0 #B03B85 #B0A03B #3BB065

split-complementary

#3B4BB0 #B0653B #85B03B

monochromatic

#1C2454 #2C3782 #3B4BB0 #5F6DC9 #8D97D9

Accessibility & contrast

On white

7.45

#3B4BB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#3B4BB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B4BB0

7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4BB0	#FFFFFF	#000000	##FFFFFF
##3B4BB0	1.00	7.45	2.82	7.45
#FFFFFF	7.45	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AB3

Deuteranopia (green-blind)

#0050AE

Tritanopia (blue-blind)

#006476

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3b4bb0;
/* rgb */ color: rgb(59, 75, 176);
/* oklch */ color: oklch(46.0% 0.161 271.7);

Tailwind

colors: {
  custom: {
    50: '#7e7dc8',
    500: '#3b4bb0',
    950: '#000000',
  },
}

SCSS

$custom: #3b4bb0;
$custom-light: #7e7dc8;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4bb0",
  "rgb": {
    "r": 59,
    "g": 75,
    "b": 176
  },
  "hsl": {
    "h": 231.795,
    "s": 49.787,
    "l": 46.078
  },
  "oklch": {
    "l": 0.4602,
    "c": 0.16079,
    "h": 271.7
  },
  "luminance": 0.09097
}

Semantic roles & 50–950 ramp

primary

#3B4BB0

secondary

#C3BB83

accent

#C64ED9

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3B4BB0

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

Preview Lab → · Contrast checker → · Palette generator →