#3653C9#3653C9

#3653C9 is a mid, vivid blue. Relative luminance 0.112; OKLCH L 49.3% C 0.186 H 268.2°. Best body text is #FFFFFF at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#3653C9
RGB	rgb(54, 83, 201)
HSL	hsl(228, 58%, 50%)
HSV	hsv(228, 73%, 79%)
CMYK	cmyk(73.1%, 58.7%, 0%, 21.2%)
CIE-LAB	lab(39.89, 30.20, -64.45)
CIE-LCH	lch(39.89, 71.18, 295.11°)
OKLab	oklab(49.33% -0.0059 -0.186)
OKLCH	oklch(49.33% 0.186 268.2)
XYZ	xyz(15.1535, 11.1862, 56.6075)
Luminance	0.1119 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3653C9 #C9AC36

analogous

#369DC9 #3653C9 #6236C9

triadic

#3653C9 #C93653 #53C936

tetradic

#3653C9 #C9369D #C9AC36 #36C962

square

#3653C9 #C9369D #C9AC36 #36C962

split-complementary

#3653C9 #C96236 #9DC936

monochromatic

#1C2B69 #293F99 #3653C9 #667CD6 #96A6E3

Accessibility & contrast

On white

6.49

#3653C9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#3653C9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3653C9

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3653C9	#FFFFFF	#000000	##FFFFFF
##3653C9	1.00	6.49	3.24	6.49
#FFFFFF	6.49	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065CD

Deuteranopia (green-blind)

#0057C7

Tritanopia (blue-blind)

#007186

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3653c9;
/* rgb */ color: rgb(54, 83, 201);
/* oklch */ color: oklch(49.3% 0.186 268.2);

Tailwind

colors: {
  custom: {
    50: '#8183da',
    500: '#3653c9',
    950: '#000000',
  },
}

SCSS

$custom: #3653c9;
$custom-light: #8183da;
$custom-dark: #000000;

JSON

{
  "hex": "#3653c9",
  "rgb": {
    "r": 54,
    "g": 83,
    "b": 201
  },
  "hsl": {
    "h": 228.163,
    "s": 57.647,
    "l": 50
  },
  "oklch": {
    "l": 0.49333,
    "c": 0.1861,
    "h": 268.2
  },
  "luminance": 0.11188
}

Semantic roles & 50–950 ramp

primary

#3653C9

secondary

#CEC18C

accent

#C347E1

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3653C9

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

Preview Lab → · Contrast checker → · Palette generator →