#3B6BB7#3B6BB7

#3B6BB7 is a mid, vivid blue. Relative luminance 0.149; OKLCH L 53.2% C 0.131 H 259.2°. Best body text is #FFFFFF at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#3B6BB7
RGB	rgb(59, 107, 183)
HSL	hsl(217, 51%, 47%)
HSV	hsv(217, 68%, 72%)
CMYK	cmyk(67.8%, 41.5%, 0%, 28.2%)
CIE-LAB	lab(45.45, 8.94, -45.04)
CIE-LCH	lch(45.45, 45.91, 281.23°)
OKLab	oklab(53.23% -0.0244 -0.1284)
OKLCH	oklch(53.23% 0.131 259.2)
XYZ	xyz(15.6055, 14.8625, 46.8369)
Luminance	0.1486 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B6BB7 #B7873B

analogous

#3BA9B7 #3B6BB7 #493BB7

triadic

#3B6BB7 #B73B6B #6BB73B

tetradic

#3B6BB7 #B73BA9 #B7873B #3BB749

square

#3B6BB7 #B73BA9 #B7873B #3BB749

split-complementary

#3B6BB7 #B7493B #A9B73B

monochromatic

#1D355A #2C5089 #3B6BB7 #638CCD #91AEDC

Accessibility & contrast

On white

5.29

#3B6BB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#3B6BB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B6BB7

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B6BB7	#FFFFFF	#000000	##FFFFFF
##3B6BB7	1.00	5.29	3.97	5.29
#FFFFFF	5.29	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4872BA

Deuteranopia (green-blind)

#3466B5

Tritanopia (blue-blind)

#007D88

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3b6bb7;
/* rgb */ color: rgb(59, 107, 183);
/* oklch */ color: oklch(53.2% 0.131 259.2);

Tailwind

colors: {
  custom: {
    50: '#7e94cd',
    500: '#3b6bb7',
    950: '#000000',
  },
}

SCSS

$custom: #3b6bb7;
$custom-light: #7e94cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3b6bb7",
  "rgb": {
    "r": 59,
    "g": 107,
    "b": 183
  },
  "hsl": {
    "h": 216.774,
    "s": 51.24,
    "l": 47.451
  },
  "oklch": {
    "l": 0.53234,
    "c": 0.13075,
    "h": 259.2
  },
  "luminance": 0.14864
}

Semantic roles & 50–950 ramp

primary

#3B6BB7

secondary

#C6AE87

accent

#A44DDB

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #3B6BB7

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

Preview Lab → · Contrast checker → · Palette generator →