#3B6CBA#3B6CBA

#3B6CBA is a mid, vivid blue. Relative luminance 0.152; OKLCH L 53.6% C 0.134 H 259.3°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#3B6CBA
RGB	rgb(59, 108, 186)
HSL	hsl(217, 52%, 48%)
HSV	hsv(217, 68%, 73%)
CMYK	cmyk(68.3%, 41.9%, 0%, 27.1%)
CIE-LAB	lab(45.90, 9.39, -46.04)
CIE-LCH	lch(45.90, 46.99, 281.53°)
OKLab	oklab(53.65% -0.0248 -0.1314)
OKLCH	oklch(53.65% 0.134 259.3)
XYZ	xyz(16.0259, 15.1985, 48.5339)
Luminance	0.1520 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B6CBA #BA893B

analogous

#3BACBA #3B6CBA #493BBA

triadic

#3B6CBA #BA3B6C #6CBA3B

tetradic

#3B6CBA #BA3BAC #BA893B #3BBA49

square

#3B6CBA #BA3BAC #BA893B #3BBA49

split-complementary

#3B6CBA #BA493B #ACBA3B

monochromatic

#1E365D #2C518C #3B6CBA #648DCE #93AFDD

Accessibility & contrast

On white

5.20

#3B6CBA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#3B6CBA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B6CBA

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B6CBA	#FFFFFF	#000000	##FFFFFF
##3B6CBA	1.00	5.20	4.04	5.20
#FFFFFF	5.20	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4873BD

Deuteranopia (green-blind)

#3367B8

Tritanopia (blue-blind)

#007E8A

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #3b6cba;
/* rgb */ color: rgb(59, 108, 186);
/* oklch */ color: oklch(53.6% 0.134 259.3);

Tailwind

colors: {
  custom: {
    50: '#7f95cf',
    500: '#3b6cba',
    950: '#000000',
  },
}

SCSS

$custom: #3b6cba;
$custom-light: #7f95cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3b6cba",
  "rgb": {
    "r": 59,
    "g": 108,
    "b": 186
  },
  "hsl": {
    "h": 216.85,
    "s": 51.837,
    "l": 48.039
  },
  "oklch": {
    "l": 0.53645,
    "c": 0.1337,
    "h": 259.3
  },
  "luminance": 0.152
}

Semantic roles & 50–950 ramp

primary

#3B6CBA

secondary

#C8B089

accent

#A44DDB

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #3B6CBA

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

Preview Lab → · Contrast checker → · Palette generator →