#3B5FC4#3B5FC4

#3B5FC4 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.6% C 0.163 H 266.0°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#3B5FC4
RGB	rgb(59, 95, 196)
HSL	hsl(224, 54%, 50%)
HSV	hsv(224, 70%, 77%)
CMYK	cmyk(69.9%, 51.5%, 0%, 23.1%)
CIE-LAB	lab(42.91, 21.32, -56.65)
CIE-LCH	lch(42.91, 60.53, 290.63°)
OKLab	oklab(51.55% -0.0112 -0.1628)
OKLCH	oklch(51.55% 0.163 266)
XYZ	xyz(15.8562, 13.0981, 53.9064)
Luminance	0.1310 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B5FC4 #C4A03B

analogous

#3BA3C4 #3B5FC4 #5C3BC4

triadic

#3B5FC4 #C43B5F #5FC43B

tetradic

#3B5FC4 #C43BA3 #C4A03B #3BC45C

square

#3B5FC4 #C43BA3 #C4A03B #3BC45C

split-complementary

#3B5FC4 #C45C3B #A3C43B

monochromatic

#1F3166 #2D4895 #3B5FC4 #6A85D2 #99ACE0

Accessibility & contrast

On white

5.80

#3B5FC4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#3B5FC4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B5FC4

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B5FC4	#FFFFFF	#000000	##FFFFFF
##3B5FC4	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F6CC8

Deuteranopia (green-blind)

#005FC2

Tritanopia (blue-blind)

#007788

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3b5fc4;
/* rgb */ color: rgb(59, 95, 196);
/* oklch */ color: oklch(51.6% 0.163 266.0);

Tailwind

colors: {
  custom: {
    50: '#818bd6',
    500: '#3b5fc4',
    950: '#000000',
  },
}

SCSS

$custom: #3b5fc4;
$custom-light: #818bd6;
$custom-dark: #000000;

JSON

{
  "hex": "#3b5fc4",
  "rgb": {
    "r": 59,
    "g": 95,
    "b": 196
  },
  "hsl": {
    "h": 224.234,
    "s": 53.725,
    "l": 50
  },
  "oklch": {
    "l": 0.51552,
    "c": 0.16317,
    "h": 266
  },
  "luminance": 0.131
}

Semantic roles & 50–950 ramp

primary

#3B5FC4

secondary

#CCBC8F

accent

#B74BDD

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C14

muted

#7D7D83

Preview Lab

Preview with #3B5FC4

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

Preview Lab → · Contrast checker → · Palette generator →