#3654BE#3654BE

#3654BE is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.6% C 0.170 H 267.6°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#3654BE
RGB	rgb(54, 84, 190)
HSL	hsl(227, 56%, 48%)
HSV	hsv(227, 72%, 75%)
CMYK	cmyk(71.6%, 55.8%, 0%, 25.5%)
CIE-LAB	lab(39.31, 25.54, -59.00)
CIE-LCH	lch(39.31, 64.29, 293.41°)
OKLab	oklab(48.64% -0.007 -0.17)
OKLCH	oklch(48.64% 0.17 267.6)
XYZ	xyz(13.9827, 10.8412, 50.0609)
Luminance	0.1084 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3654BE #BEA036

analogous

#3698BE #3654BE #5C36BE

triadic

#3654BE #BE3654 #54BE36

tetradic

#3654BE #BE3698 #BEA036 #36BE5C

square

#3654BE #BE3698 #BEA036 #36BE5C

split-complementary

#3654BE #BE5C36 #98BE36

monochromatic

#1B2A5F #283F8E #3654BE #6079D2 #8FA1DF

Accessibility & contrast

On white

6.63

#3654BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#3654BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3654BE

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3654BE	#FFFFFF	#000000	##FFFFFF
##3654BE	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C2

Deuteranopia (green-blind)

#0057BC

Tritanopia (blue-blind)

#006E81

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3654be;
/* rgb */ color: rgb(54, 84, 190);
/* oklch */ color: oklch(48.6% 0.170 267.6);

Tailwind

colors: {
  custom: {
    50: '#7f83d2',
    500: '#3654be',
    950: '#000000',
  },
}

SCSS

$custom: #3654be;
$custom-light: #7f83d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3654be",
  "rgb": {
    "r": 54,
    "g": 84,
    "b": 190
  },
  "hsl": {
    "h": 226.765,
    "s": 55.738,
    "l": 47.843
  },
  "oklch": {
    "l": 0.48635,
    "c": 0.17011,
    "h": 267.6
  },
  "luminance": 0.10843
}

Semantic roles & 50–950 ramp

primary

#3654BE

secondary

#CABB86

accent

#BE49DF

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #3654BE

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

Preview Lab → · Contrast checker → · Palette generator →