#3656BB#3656BB

#3656BB is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.8% C 0.164 H 266.9°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#3656BB
RGB	rgb(54, 86, 187)
HSL	hsl(226, 55%, 47%)
HSV	hsv(226, 71%, 73%)
CMYK	cmyk(71.1%, 54%, 0%, 26.7%)
CIE-LAB	lab(39.62, 23.13, -56.74)
CIE-LCH	lch(39.62, 61.27, 292.18°)
OKLab	oklab(48.8% -0.0088 -0.1633)
OKLCH	oklch(48.8% 0.164 266.9)
XYZ	xyz(13.8156, 11.0263, 48.4043)
Luminance	0.1103 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3656BB #BB9B36

analogous

#3699BB #3656BB #5936BB

triadic

#3656BB #BB3656 #56BB36

tetradic

#3656BB #BB3699 #BB9B36 #36BB59

square

#3656BB #BB3699 #BB9B36 #36BB59

split-complementary

#3656BB #BB5936 #99BB36

monochromatic

#1B2A5C #28408C #3656BB #5E79D0 #8DA1DE

Accessibility & contrast

On white

6.55

#3656BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#3656BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3656BB

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3656BB	#FFFFFF	#000000	##FFFFFF
##3656BB	1.00	6.55	3.21	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0664BF

Deuteranopia (green-blind)

#0058B9

Tritanopia (blue-blind)

#006E80

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3656bb;
/* rgb */ color: rgb(54, 86, 187);
/* oklch */ color: oklch(48.8% 0.164 266.9);

Tailwind

colors: {
  custom: {
    50: '#7e85d0',
    500: '#3656bb',
    950: '#000000',
  },
}

SCSS

$custom: #3656bb;
$custom-light: #7e85d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3656bb",
  "rgb": {
    "r": 54,
    "g": 86,
    "b": 187
  },
  "hsl": {
    "h": 225.564,
    "s": 55.187,
    "l": 47.255
  },
  "oklch": {
    "l": 0.48801,
    "c": 0.16352,
    "h": 266.9
  },
  "luminance": 0.11028
}

Semantic roles & 50–950 ramp

primary

#3656BB

secondary

#C9B884

accent

#BB49DF

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3656BB

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

Preview Lab → · Contrast checker → · Palette generator →