#3B6BBA#3B6BBA

#3B6BBA is a mid, vivid blue. Relative luminance 0.150; OKLCH L 53.4% C 0.135 H 259.8°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#3B6BBA
RGB	rgb(59, 107, 186)
HSL	hsl(217, 52%, 48%)
HSV	hsv(217, 68%, 73%)
CMYK	cmyk(68.3%, 42.5%, 0%, 27.1%)
CIE-LAB	lab(45.62, 10.02, -46.50)
CIE-LCH	lch(45.62, 47.57, 282.17°)
OKLab	oklab(53.42% -0.0238 -0.1327)
OKLCH	oklch(53.42% 0.135 259.8)
XYZ	xyz(15.9211, 14.9888, 48.4989)
Luminance	0.1499 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B6BBA #BA8A3B

analogous

#3BAABA #3B6BBA #4A3BBA

triadic

#3B6BBA #BA3B6B #6BBA3B

tetradic

#3B6BBA #BA3BAA #BA8A3B #3BBA4A

square

#3B6BBA #BA3BAA #BA8A3B #3BBA4A

split-complementary

#3B6BBA #BA4A3B #AABA3B

monochromatic

#1E365D #2C508C #3B6BBA #648CCE #93AFDD

Accessibility & contrast

On white

5.25

#3B6BBA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#3B6BBA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B6BBA

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B6BBA	#FFFFFF	#000000	##FFFFFF
##3B6BBA	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4672BD

Deuteranopia (green-blind)

#3167B8

Tritanopia (blue-blind)

#007D89

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3b6bba;
/* rgb */ color: rgb(59, 107, 186);
/* oklch */ color: oklch(53.4% 0.135 259.8);

Tailwind

colors: {
  custom: {
    50: '#7f94cf',
    500: '#3b6bba',
    950: '#000000',
  },
}

SCSS

$custom: #3b6bba;
$custom-light: #7f94cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3b6bba",
  "rgb": {
    "r": 59,
    "g": 107,
    "b": 186
  },
  "hsl": {
    "h": 217.323,
    "s": 51.837,
    "l": 48.039
  },
  "oklch": {
    "l": 0.53424,
    "c": 0.13486,
    "h": 259.8
  },
  "luminance": 0.1499
}

Semantic roles & 50–950 ramp

primary

#3B6BBA

secondary

#C8B089

accent

#A54DDB

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #3B6BBA

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

Preview Lab → · Contrast checker → · Palette generator →