#3655BD#3655BD

#3655BD is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.8% C 0.168 H 267.3°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#3655BD
RGB	rgb(54, 85, 189)
HSL	hsl(226, 56%, 48%)
HSV	hsv(226, 71%, 74%)
CMYK	cmyk(71.4%, 55%, 0%, 25.9%)
CIE-LAB	lab(39.50, 24.52, -58.10)
CIE-LCH	lch(39.50, 63.06, 292.88°)
OKLab	oklab(48.76% -0.0079 -0.1673)
OKLCH	oklch(48.76% 0.168 267.3)
XYZ	xyz(13.9519, 10.9540, 49.5133)
Luminance	0.1095 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3655BD #BD9E36

analogous

#3699BD #3655BD #5A36BD

triadic

#3655BD #BD3655 #55BD36

tetradic

#3655BD #BD3699 #BD9E36 #36BD5A

square

#3655BD #BD3699 #BD9E36 #36BD5A

split-complementary

#3655BD #BD5A36 #99BD36

monochromatic

#1B2A5E #28408D #3655BD #5F79D1 #8FA1DF

Accessibility & contrast

On white

6.58

#3655BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#3655BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3655BD

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3655BD	#FFFFFF	#000000	##FFFFFF
##3655BD	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064C1

Deuteranopia (green-blind)

#0057BB

Tritanopia (blue-blind)

#006E80

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3655bd;
/* rgb */ color: rgb(54, 85, 189);
/* oklch */ color: oklch(48.8% 0.168 267.3);

Tailwind

colors: {
  custom: {
    50: '#7e84d2',
    500: '#3655bd',
    950: '#000000',
  },
}

SCSS

$custom: #3655bd;
$custom-light: #7e84d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3655bd",
  "rgb": {
    "r": 54,
    "g": 85,
    "b": 189
  },
  "hsl": {
    "h": 226.222,
    "s": 55.556,
    "l": 47.647
  },
  "oklch": {
    "l": 0.48755,
    "c": 0.16751,
    "h": 267.3
  },
  "luminance": 0.10955
}

Semantic roles & 50–950 ramp

primary

#3655BD

secondary

#C9BA85

accent

#BC49DF

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #3655BD

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

Preview Lab → · Contrast checker → · Palette generator →