#3B4FB2#3B4FB2

#3B4FB2 is a mid, vivid blue. Relative luminance 0.097; OKLCH L 47.0% C 0.158 H 270.5°. Best body text is #FFFFFF at 7.13:1 contrast (WCAG AA passes).

Color values

HEX	#3B4FB2
RGB	rgb(59, 79, 178)
HSL	hsl(230, 50%, 46%)
HSV	hsv(230, 67%, 70%)
CMYK	cmyk(66.9%, 55.6%, 0%, 30.2%)
CIE-LAB	lab(37.36, 25.16, -55.10)
CIE-LCH	lch(37.36, 60.57, 294.54°)
OKLab	oklab(46.96% 0.0014 -0.1584)
OKLCH	oklch(46.96% 0.158 270.5)
XYZ	xyz(12.6328, 9.7350, 43.3241)
Luminance	0.0974 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4FB2 #B29E3B

analogous

#3B8BB2 #3B4FB2 #633BB2

triadic

#3B4FB2 #B23B4F #4FB23B

tetradic

#3B4FB2 #B23B8B #B29E3B #3BB263

square

#3B4FB2 #B23B8B #B29E3B #3BB263

split-complementary

#3B4FB2 #B2633B #8BB23B

monochromatic

#1D2656 #2C3B84 #3B4FB2 #6072CA #8E9BDA

Accessibility & contrast

On white

7.13

#3B4FB2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#3B4FB2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B4FB2

7.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4FB2	#FFFFFF	#000000	##FFFFFF
##3B4FB2	1.00	7.13	2.95	7.13
#FFFFFF	7.13	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DB5

Deuteranopia (green-blind)

#0053B0

Tritanopia (blue-blind)

#006779

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #3b4fb2;
/* rgb */ color: rgb(59, 79, 178);
/* oklch */ color: oklch(47.0% 0.158 270.5);

Tailwind

colors: {
  custom: {
    50: '#7f80ca',
    500: '#3b4fb2',
    950: '#000000',
  },
}

SCSS

$custom: #3b4fb2;
$custom-light: #7f80ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4fb2",
  "rgb": {
    "r": 59,
    "g": 79,
    "b": 178
  },
  "hsl": {
    "h": 229.916,
    "s": 50.211,
    "l": 46.471
  },
  "oklch": {
    "l": 0.46961,
    "c": 0.15846,
    "h": 270.5
  },
  "luminance": 0.09736
}

Semantic roles & 50–950 ramp

primary

#3B4FB2

secondary

#C4BA85

accent

#C24EDA

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3B4FB2

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

Preview Lab → · Contrast checker → · Palette generator →