#3B6BBC#3B6BBC

#3B6BBC is a mid, vivid blue. Relative luminance 0.151; OKLCH L 53.6% C 0.138 H 260.2°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#3B6BBC
RGB	rgb(59, 107, 188)
HSL	hsl(218, 52%, 48%)
HSV	hsv(218, 69%, 74%)
CMYK	cmyk(68.6%, 43.1%, 0%, 26.3%)
CIE-LAB	lab(45.74, 10.75, -47.47)
CIE-LCH	lch(45.74, 48.68, 282.76°)
OKLab	oklab(53.55% -0.0234 -0.1356)
OKLCH	oklch(53.55% 0.138 260.2)
XYZ	xyz(16.1352, 15.0744, 49.6265)
Luminance	0.1508 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B6BBC #BC8C3B

analogous

#3BABBC #3B6BBC #4B3BBC

triadic

#3B6BBC #BC3B6B #6BBC3B

tetradic

#3B6BBC #BC3BAB #BC8C3B #3BBC4B

square

#3B6BBC #BC3BAB #BC8C3B #3BBC4B

split-complementary

#3B6BBC #BC4B3B #ABBC3B

monochromatic

#1E365F #2C508D #3B6BBC #658DCF #94AFDD

Accessibility & contrast

On white

5.23

#3B6BBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#3B6BBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B6BBC

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B6BBC	#FFFFFF	#000000	##FFFFFF
##3B6BBC	1.00	5.23	4.02	5.23
#FFFFFF	5.23	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4473BF

Deuteranopia (green-blind)

#2F67BA

Tritanopia (blue-blind)

#007E8A

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3b6bbc;
/* rgb */ color: rgb(59, 107, 188);
/* oklch */ color: oklch(53.6% 0.138 260.2);

Tailwind

colors: {
  custom: {
    50: '#7f94d1',
    500: '#3b6bbc',
    950: '#000000',
  },
}

SCSS

$custom: #3b6bbc;
$custom-light: #7f94d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3b6bbc",
  "rgb": {
    "r": 59,
    "g": 107,
    "b": 188
  },
  "hsl": {
    "h": 217.674,
    "s": 52.227,
    "l": 48.431
  },
  "oklch": {
    "l": 0.53553,
    "c": 0.13761,
    "h": 260.2
  },
  "luminance": 0.15076
}

Semantic roles & 50–950 ramp

primary

#3B6BBC

secondary

#C9B18A

accent

#A64CDC

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #3B6BBC

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

Preview Lab → · Contrast checker → · Palette generator →