#3B6CB8#3B6CB8

#3B6CB8 is a mid, vivid blue. Relative luminance 0.151; OKLCH L 53.5% C 0.131 H 258.9°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#3B6CB8
RGB	rgb(59, 108, 184)
HSL	hsl(216, 51%, 48%)
HSV	hsv(216, 68%, 72%)
CMYK	cmyk(67.9%, 41.3%, 0%, 27.8%)
CIE-LAB	lab(45.79, 8.67, -45.07)
CIE-LCH	lch(45.79, 45.89, 280.89°)
OKLab	oklab(53.52% -0.0252 -0.1285)
OKLCH	oklch(53.52% 0.131 258.9)
XYZ	xyz(15.8148, 15.1140, 47.4220)
Luminance	0.1512 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B6CB8 #B8873B

analogous

#3BAAB8 #3B6CB8 #493BB8

triadic

#3B6CB8 #B83B6C #6CB83B

tetradic

#3B6CB8 #B83BAA #B8873B #3BB849

square

#3B6CB8 #B83BAA #B8873B #3BB849

split-complementary

#3B6CB8 #B8493B #AAB83B

monochromatic

#1D365B #2C518A #3B6CB8 #638DCD #92AFDC

Accessibility & contrast

On white

5.22

#3B6CB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#3B6CB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B6CB8

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B6CB8	#FFFFFF	#000000	##FFFFFF
##3B6CB8	1.00	5.22	4.02	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4973BB

Deuteranopia (green-blind)

#3567B6

Tritanopia (blue-blind)

#007E89

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3b6cb8;
/* rgb */ color: rgb(59, 108, 184);
/* oklch */ color: oklch(53.5% 0.131 258.9);

Tailwind

colors: {
  custom: {
    50: '#7f95ce',
    500: '#3b6cb8',
    950: '#000000',
  },
}

SCSS

$custom: #3b6cb8;
$custom-light: #7f95ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3b6cb8",
  "rgb": {
    "r": 59,
    "g": 108,
    "b": 184
  },
  "hsl": {
    "h": 216.48,
    "s": 51.44,
    "l": 47.647
  },
  "oklch": {
    "l": 0.53519,
    "c": 0.13096,
    "h": 258.9
  },
  "luminance": 0.15116
}

Semantic roles & 50–950 ramp

primary

#3B6CB8

secondary

#C7AE88

accent

#A34DDB

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #3B6CB8

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

Preview Lab → · Contrast checker → · Palette generator →