#3B5FC3#3B5FC3

#3B5FC3 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.5% C 0.162 H 266.0°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#3B5FC3
RGB	rgb(59, 95, 195)
HSL	hsl(224, 54%, 50%)
HSV	hsv(224, 70%, 76%)
CMYK	cmyk(69.7%, 51.3%, 0%, 23.5%)
CIE-LAB	lab(42.84, 20.96, -56.18)
CIE-LCH	lch(42.84, 59.96, 290.46°)
OKLab	oklab(51.48% -0.0114 -0.1614)
OKLCH	oklch(51.48% 0.162 266)
XYZ	xyz(15.7427, 13.0528, 53.3090)
Luminance	0.1305 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B5FC3 #C39F3B

analogous

#3BA3C3 #3B5FC3 #5B3BC3

triadic

#3B5FC3 #C33B5F #5FC33B

tetradic

#3B5FC3 #C33BA3 #C39F3B #3BC35B

square

#3B5FC3 #C33BA3 #C39F3B #3BC35B

split-complementary

#3B5FC3 #C35B3B #A3C33B

monochromatic

#1F3165 #2D4894 #3B5FC3 #6985D2 #98ABE0

Accessibility & contrast

On white

5.82

#3B5FC3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#3B5FC3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B5FC3

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B5FC3	#FFFFFF	#000000	##FFFFFF
##3B5FC3	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#216CC7

Deuteranopia (green-blind)

#005FC1

Tritanopia (blue-blind)

#007788

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3b5fc3;
/* rgb */ color: rgb(59, 95, 195);
/* oklch */ color: oklch(51.5% 0.162 266.0);

Tailwind

colors: {
  custom: {
    50: '#818bd6',
    500: '#3b5fc3',
    950: '#000000',
  },
}

SCSS

$custom: #3b5fc3;
$custom-light: #818bd6;
$custom-dark: #000000;

JSON

{
  "hex": "#3b5fc3",
  "rgb": {
    "r": 59,
    "g": 95,
    "b": 195
  },
  "hsl": {
    "h": 224.118,
    "s": 53.543,
    "l": 49.804
  },
  "oklch": {
    "l": 0.51479,
    "c": 0.1618,
    "h": 266
  },
  "luminance": 0.13054
}

Semantic roles & 50–950 ramp

primary

#3B5FC3

secondary

#CCBB8E

accent

#B64BDD

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C14

muted

#7D7D83

Preview Lab

Preview with #3B5FC3

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

Preview Lab → · Contrast checker → · Palette generator →