#3B4FA5#3B4FA5

#3B4FA5 is a mid, vivid blue. Relative luminance 0.092; OKLCH L 46.0% C 0.140 H 270.2°. Best body text is #FFFFFF at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#3B4FA5
RGB	rgb(59, 79, 165)
HSL	hsl(229, 47%, 44%)
HSV	hsv(229, 64%, 65%)
CMYK	cmyk(64.2%, 52.1%, 0%, 35.3%)
CIE-LAB	lab(36.44, 20.48, -48.87)
CIE-LCH	lch(36.44, 52.99, 292.73°)
OKLab	oklab(45.97% 0.0005 -0.1401)
OKLCH	oklch(45.97% 0.14 270.2)
XYZ	xyz(11.3889, 9.2374, 36.7728)
Luminance	0.0924 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4FA5 #A5913B

analogous

#3B84A5 #3B4FA5 #5C3BA5

triadic

#3B4FA5 #A53B4F #4FA53B

tetradic

#3B4FA5 #A53B84 #A5913B #3BA55C

square

#3B4FA5 #A53B84 #A5913B #3BA55C

split-complementary

#3B4FA5 #A55C3B #84A53B

monochromatic

#1B244B #2B3978 #3B4FA5 #596DC4 #8695D4

Accessibility & contrast

On white

7.37

#3B4FA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#3B4FA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B4FA5

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4FA5	#FFFFFF	#000000	##FFFFFF
##3B4FA5	1.00	7.37	2.85	7.37
#FFFFFF	7.37	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C5BA8

Deuteranopia (green-blind)

#0051A3

Tritanopia (blue-blind)

#006372

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #3b4fa5;
/* rgb */ color: rgb(59, 79, 165);
/* oklch */ color: oklch(46.0% 0.140 270.2);

Tailwind

colors: {
  custom: {
    50: '#7c80c0',
    500: '#3b4fa5',
    950: '#000000',
  },
}

SCSS

$custom: #3b4fa5;
$custom-light: #7c80c0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4fa5",
  "rgb": {
    "r": 59,
    "g": 79,
    "b": 165
  },
  "hsl": {
    "h": 228.679,
    "s": 47.321,
    "l": 43.922
  },
  "oklch": {
    "l": 0.45971,
    "c": 0.14013,
    "h": 270.2
  },
  "luminance": 0.09238
}

Semantic roles & 50–950 ramp

primary

#3B4FA5

secondary

#BEB27E

accent

#BE51D7

background

#F8F7FB

surface

#EFEEF7

border

#CAC9D0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #3B4FA5

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

Preview Lab → · Contrast checker → · Palette generator →