#3B4FA4#3B4FA4

#3B4FA4 is a mid, vivid blue. Relative luminance 0.092; OKLCH L 45.9% C 0.139 H 270.2°. Best body text is #FFFFFF at 7.39:1 contrast (WCAG AA passes).

Color values

HEX	#3B4FA4
RGB	rgb(59, 79, 164)
HSL	hsl(229, 47%, 44%)
HSV	hsv(229, 64%, 64%)
CMYK	cmyk(64%, 51.8%, 0%, 35.7%)
CIE-LAB	lab(36.37, 20.12, -48.38)
CIE-LCH	lch(36.37, 52.40, 292.58°)
OKLab	oklab(45.9% 0.0004 -0.1387)
OKLCH	oklch(45.9% 0.139 270.2)
XYZ	xyz(11.2982, 9.2011, 36.2954)
Luminance	0.0920 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4FA4 #A4903B

analogous

#3B83A4 #3B4FA4 #5B3BA4

triadic

#3B4FA4 #A43B4F #4FA43B

tetradic

#3B4FA4 #A43B83 #A4903B #3BA45B

square

#3B4FA4 #A43B83 #A4903B #3BA45B

split-complementary

#3B4FA4 #A45B3B #83A43B

monochromatic

#1B244A #2B3977 #3B4FA4 #596DC3 #8695D3

Accessibility & contrast

On white

7.39

#3B4FA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#3B4FA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B4FA4

7.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4FA4	#FFFFFF	#000000	##FFFFFF
##3B4FA4	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)

#1E5AA7

Deuteranopia (green-blind)

#0051A2

Tritanopia (blue-blind)

#006372

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #3b4fa4;
/* rgb */ color: rgb(59, 79, 164);
/* oklch */ color: oklch(45.9% 0.139 270.2);

Tailwind

colors: {
  custom: {
    50: '#7c80c0',
    500: '#3b4fa4',
    950: '#000000',
  },
}

SCSS

$custom: #3b4fa4;
$custom-light: #7c80c0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4fa4",
  "rgb": {
    "r": 59,
    "g": 79,
    "b": 164
  },
  "hsl": {
    "h": 228.571,
    "s": 47.085,
    "l": 43.725
  },
  "oklch": {
    "l": 0.45897,
    "c": 0.1387,
    "h": 270.2
  },
  "luminance": 0.09202
}

Semantic roles & 50–950 ramp

primary

#3B4FA4

secondary

#BEB17D

accent

#BD51D7

background

#F8F7FB

surface

#EFEEF7

border

#CAC9D0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #3B4FA4

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

Preview Lab → · Contrast checker → · Palette generator →