#3B6DCF#3B6DCF

#3B6DCF is a mid, vivid blue. Relative luminance 0.164; OKLCH L 55.3% C 0.161 H 262.2°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#3B6DCF
RGB	rgb(59, 109, 207)
HSL	hsl(220, 61%, 52%)
HSV	hsv(220, 71%, 81%)
CMYK	cmyk(71.5%, 47.3%, 0%, 18.8%)
CIE-LAB	lab(47.46, 16.41, -55.65)
CIE-LCH	lch(47.46, 58.02, 286.43°)
OKLab	oklab(55.25% -0.022 -0.1596)
OKLCH	oklch(55.25% 0.161 262.2)
XYZ	xyz(18.5307, 16.3701, 61.2025)
Luminance	0.1637 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B6DCF #CF9D3B

analogous

#3BB7CF #3B6DCF #533BCF

triadic

#3B6DCF #CF3B6D #6DCF3B

tetradic

#3B6DCF #CF3BB7 #CF9D3B #3BCF53

square

#3B6DCF #CF3BB7 #CF9D3B #3BCF53

split-complementary

#3B6DCF #CF533B #B7CF3B

monochromatic

#1C3A73 #2852A5 #3B6DCF #6C92DB #9DB6E7

Accessibility & contrast

On white

4.91

#3B6DCF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#3B6DCF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B6DCF

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B6DCF	#FFFFFF	#000000	##FFFFFF
##3B6DCF	1.00	4.91	4.27	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3878D3

Deuteranopia (green-blind)

#116ACD

Tritanopia (blue-blind)

#008494

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3b6dcf;
/* rgb */ color: rgb(59, 109, 207);
/* oklch */ color: oklch(55.3% 0.161 262.2);

Tailwind

colors: {
  custom: {
    50: '#8396de',
    500: '#3b6dcf',
    950: '#000000',
  },
}

SCSS

$custom: #3b6dcf;
$custom-light: #8396de;
$custom-dark: #000000;

JSON

{
  "hex": "#3b6dcf",
  "rgb": {
    "r": 59,
    "g": 109,
    "b": 207
  },
  "hsl": {
    "h": 219.73,
    "s": 60.656,
    "l": 52.157
  },
  "oklch": {
    "l": 0.5525,
    "c": 0.16111,
    "h": 262.2
  },
  "luminance": 0.16372
}

Semantic roles & 50–950 ramp

primary

#3B6DCF

secondary

#D3BD93

accent

#AE44E4

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3B6DCF

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

Preview Lab → · Contrast checker → · Palette generator →