#3654BD#3654BD

#3654BD is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.6% C 0.169 H 267.6°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#3654BD
RGB	rgb(54, 84, 189)
HSL	hsl(227, 56%, 48%)
HSV	hsv(227, 71%, 74%)
CMYK	cmyk(71.4%, 55.6%, 0%, 25.9%)
CIE-LAB	lab(39.24, 25.17, -58.53)
CIE-LCH	lch(39.24, 63.72, 293.27°)
OKLab	oklab(48.56% -0.0071 -0.1686)
OKLCH	oklch(48.56% 0.169 267.6)
XYZ	xyz(13.8738, 10.7976, 49.4872)
Luminance	0.1080 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3654BD #BD9F36

analogous

#3697BD #3654BD #5C36BD

triadic

#3654BD #BD3654 #54BD36

tetradic

#3654BD #BD3697 #BD9F36 #36BD5C

square

#3654BD #BD3697 #BD9F36 #36BD5C

split-complementary

#3654BD #BD5C36 #97BD36

monochromatic

#1B2A5E #283F8D #3654BD #5F78D1 #8FA0DF

Accessibility & contrast

On white

6.65

#3654BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#3654BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3654BD

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3654BD	#FFFFFF	#000000	##FFFFFF
##3654BD	1.00	6.65	3.16	6.65
#FFFFFF	6.65	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C1

Deuteranopia (green-blind)

#0056BB

Tritanopia (blue-blind)

#006E80

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3654bd;
/* rgb */ color: rgb(54, 84, 189);
/* oklch */ color: oklch(48.6% 0.169 267.6);

Tailwind

colors: {
  custom: {
    50: '#7e83d2',
    500: '#3654bd',
    950: '#000000',
  },
}

SCSS

$custom: #3654bd;
$custom-light: #7e83d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3654bd",
  "rgb": {
    "r": 54,
    "g": 84,
    "b": 189
  },
  "hsl": {
    "h": 226.667,
    "s": 55.556,
    "l": 47.647
  },
  "oklch": {
    "l": 0.48556,
    "c": 0.16875,
    "h": 267.6
  },
  "luminance": 0.10799
}

Semantic roles & 50–950 ramp

primary

#3654BD

secondary

#C9BA85

accent

#BE49DF

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #3654BD

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

Preview Lab → · Contrast checker → · Palette generator →