#3653B8#3653B8

#3653B8 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 48.0% C 0.163 H 267.7°. Best body text is #FFFFFF at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#3653B8
RGB	rgb(54, 83, 184)
HSL	hsl(227, 55%, 47%)
HSV	hsv(227, 71%, 72%)
CMYK	cmyk(70.7%, 54.9%, 0%, 27.8%)
CIE-LAB	lab(38.60, 23.98, -56.63)
CIE-LCH	lch(38.60, 61.50, 292.95°)
OKLab	oklab(47.96% -0.0066 -0.163)
OKLCH	oklch(47.96% 0.163 267.7)
XYZ	xyz(13.2633, 10.4301, 46.6523)
Luminance	0.1043 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3653B8 #B89B36

analogous

#3694B8 #3653B8 #5A36B8

triadic

#3653B8 #B83653 #53B836

tetradic

#3653B8 #B83694 #B89B36 #36B85A

square

#3653B8 #B83694 #B89B36 #36B85A

split-complementary

#3653B8 #B85A36 #94B836

monochromatic

#1A2859 #283E89 #3653B8 #5C76CF #8B9EDD

Accessibility & contrast

On white

6.80

#3653B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#3653B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3653B8

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3653B8	#FFFFFF	#000000	##FFFFFF
##3653B8	1.00	6.80	3.09	6.80
#FFFFFF	6.80	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061BC

Deuteranopia (green-blind)

#0055B6

Tritanopia (blue-blind)

#006B7D

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3653b8;
/* rgb */ color: rgb(54, 83, 184);
/* oklch */ color: oklch(48.0% 0.163 267.7);

Tailwind

colors: {
  custom: {
    50: '#7d82ce',
    500: '#3653b8',
    950: '#000000',
  },
}

SCSS

$custom: #3653b8;
$custom-light: #7d82ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3653b8",
  "rgb": {
    "r": 54,
    "g": 83,
    "b": 184
  },
  "hsl": {
    "h": 226.615,
    "s": 54.622,
    "l": 46.667
  },
  "oklch": {
    "l": 0.47963,
    "c": 0.16315,
    "h": 267.7
  },
  "luminance": 0.10431
}

Semantic roles & 50–950 ramp

primary

#3653B8

secondary

#C7B882

accent

#BD4ADE

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3653B8

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

Preview Lab → · Contrast checker → · Palette generator →