#3B4BB3#3B4BB3

#3B4BB3 is a mid, vivid blue. Relative luminance 0.092; OKLCH L 46.3% C 0.165 H 271.7°. Best body text is #FFFFFF at 7.39:1 contrast (WCAG AA passes).

Color values

HEX	#3B4BB3
RGB	rgb(59, 75, 179)
HSL	hsl(232, 50%, 47%)
HSV	hsv(232, 67%, 70%)
CMYK	cmyk(67%, 58.1%, 0%, 29.8%)
CIE-LAB	lab(36.40, 28.11, -57.26)
CIE-LCH	lch(36.40, 63.79, 296.15°)
OKLab	oklab(46.26% 0.0049 -0.1649)
OKLCH	oklch(46.26% 0.165 271.7)
XYZ	xyz(12.4537, 9.2155, 43.7616)
Luminance	0.0922 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4BB3 #B3A33B

analogous

#3B87B3 #3B4BB3 #673BB3

triadic

#3B4BB3 #B33B4B #4BB33B

tetradic

#3B4BB3 #B33B87 #B3A33B #3BB367

square

#3B4BB3 #B33B87 #B3A33B #3BB367

split-complementary

#3B4BB3 #B3673B #87B33B

monochromatic

#1D2457 #2C3885 #3B4BB3 #606FCB #8E99DA

Accessibility & contrast

On white

7.39

#3B4BB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#3B4BB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B4BB3

7.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4BB3	#FFFFFF	#000000	##FFFFFF
##3B4BB3	1.00	7.39	2.84	7.39
#FFFFFF	7.39	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB7

Deuteranopia (green-blind)

#0050B1

Tritanopia (blue-blind)

#006477

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #3b4bb3;
/* rgb */ color: rgb(59, 75, 179);
/* oklch */ color: oklch(46.3% 0.165 271.7);

Tailwind

colors: {
  custom: {
    50: '#7f7dcb',
    500: '#3b4bb3',
    950: '#000000',
  },
}

SCSS

$custom: #3b4bb3;
$custom-light: #7f7dcb;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4bb3",
  "rgb": {
    "r": 59,
    "g": 75,
    "b": 179
  },
  "hsl": {
    "h": 232,
    "s": 50.42,
    "l": 46.667
  },
  "oklch": {
    "l": 0.46262,
    "c": 0.16493,
    "h": 271.7
  },
  "luminance": 0.09217
}

Semantic roles & 50–950 ramp

primary

#3B4BB3

secondary

#C5BC85

accent

#C74EDA

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3B4BB3

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

Preview Lab → · Contrast checker → · Palette generator →