#3B6BBF#3B6BBF

#3B6BBF is a mid, vivid blue. Relative luminance 0.152; OKLCH L 53.7% C 0.142 H 260.7°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#3B6BBF
RGB	rgb(59, 107, 191)
HSL	hsl(218, 53%, 49%)
HSV	hsv(218, 69%, 75%)
CMYK	cmyk(69.1%, 44%, 0%, 25.1%)
CIE-LAB	lab(45.91, 11.84, -48.93)
CIE-LCH	lch(45.91, 50.34, 283.60°)
OKLab	oklab(53.75% -0.0228 -0.1399)
OKLCH	oklch(53.75% 0.142 260.7)
XYZ	xyz(16.4619, 15.2051, 51.3474)
Luminance	0.1521 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B6BBF #BF8F3B

analogous

#3BADBF #3B6BBF #4D3BBF

triadic

#3B6BBF #BF3B6B #6BBF3B

tetradic

#3B6BBF #BF3BAD #BF8F3B #3BBF4D

square

#3B6BBF #BF3BAD #BF8F3B #3BBF4D

split-complementary

#3B6BBF #BF4D3B #ADBF3B

monochromatic

#1E3761 #2D5190 #3B6BBF #678DD0 #96B0DF

Accessibility & contrast

On white

5.20

#3B6BBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#3B6BBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B6BBF

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B6BBF	#FFFFFF	#000000	##FFFFFF
##3B6BBF	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)

#4273C2

Deuteranopia (green-blind)

#2B67BD

Tritanopia (blue-blind)

#007E8B

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #3b6bbf;
/* rgb */ color: rgb(59, 107, 191);
/* oklch */ color: oklch(53.7% 0.142 260.7);

Tailwind

colors: {
  custom: {
    50: '#8094d3',
    500: '#3b6bbf',
    950: '#000000',
  },
}

SCSS

$custom: #3b6bbf;
$custom-light: #8094d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3b6bbf",
  "rgb": {
    "r": 59,
    "g": 107,
    "b": 191
  },
  "hsl": {
    "h": 218.182,
    "s": 52.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.53747,
    "c": 0.14172,
    "h": 260.7
  },
  "luminance": 0.15207
}

Semantic roles & 50–950 ramp

primary

#3B6BBF

secondary

#CAB38C

accent

#A84CDC

background

#F8F9FD

surface

#EFF1FA

border

#CACBD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #3B6BBF

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

Preview Lab → · Contrast checker → · Palette generator →