#3B5FBF#3B5FBF

#3B5FBF is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.2% C 0.156 H 265.7°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#3B5FBF
RGB	rgb(59, 95, 191)
HSL	hsl(224, 53%, 49%)
HSV	hsv(224, 69%, 75%)
CMYK	cmyk(69.1%, 50.3%, 0%, 25.1%)
CIE-LAB	lab(42.57, 19.50, -54.29)
CIE-LCH	lch(42.57, 57.69, 289.76°)
OKLab	oklab(51.19% -0.0118 -0.1558)
OKLCH	oklch(51.19% 0.156 265.7)
XYZ	xyz(15.2965, 12.8743, 50.9590)
Luminance	0.1288 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B5FBF #BF9B3B

analogous

#3BA1BF #3B5FBF #593BBF

triadic

#3B5FBF #BF3B5F #5FBF3B

tetradic

#3B5FBF #BF3BA1 #BF9B3B #3BBF59

square

#3B5FBF #BF3BA1 #BF9B3B #3BBF59

split-complementary

#3B5FBF #BF593B #A1BF3B

monochromatic

#1E3061 #2D4890 #3B5FBF #6784D0 #96AADF

Accessibility & contrast

On white

5.87

#3B5FBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#3B5FBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B5FBF

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B5FBF	#FFFFFF	#000000	##FFFFFF
##3B5FBF	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#276BC2

Deuteranopia (green-blind)

#005FBD

Tritanopia (blue-blind)

#007686

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3b5fbf;
/* rgb */ color: rgb(59, 95, 191);
/* oklch */ color: oklch(51.2% 0.156 265.7);

Tailwind

colors: {
  custom: {
    50: '#808bd3',
    500: '#3b5fbf',
    950: '#000000',
  },
}

SCSS

$custom: #3b5fbf;
$custom-light: #808bd3;
$custom-dark: #000000;

JSON

{
  "hex": "#3b5fbf",
  "rgb": {
    "r": 59,
    "g": 95,
    "b": 191
  },
  "hsl": {
    "h": 223.636,
    "s": 52.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.51188,
    "c": 0.1563,
    "h": 265.7
  },
  "luminance": 0.12876
}

Semantic roles & 50–950 ramp

primary

#3B5FBF

secondary

#CAB98C

accent

#B54CDC

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3B5FBF

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

Preview Lab → · Contrast checker → · Palette generator →