#3653BC#3653BC

#3653BC is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.3% C 0.169 H 267.8°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#3653BC
RGB	rgb(54, 83, 188)
HSL	hsl(227, 55%, 47%)
HSV	hsv(227, 71%, 74%)
CMYK	cmyk(71.3%, 55.9%, 0%, 26.3%)
CIE-LAB	lab(38.90, 25.45, -58.50)
CIE-LCH	lch(38.90, 63.80, 293.51°)
OKLab	oklab(48.28% -0.0063 -0.1685)
OKLCH	oklch(48.28% 0.169 267.8)
XYZ	xyz(13.6885, 10.6002, 48.8918)
Luminance	0.1060 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3653BC #BC9F36

analogous

#3696BC #3653BC #5C36BC

triadic

#3653BC #BC3653 #53BC36

tetradic

#3653BC #BC3696 #BC9F36 #36BC5C

square

#3653BC #BC3696 #BC9F36 #36BC5C

split-complementary

#3653BC #BC5C36 #96BC36

monochromatic

#1B295D #283E8C #3653BC #5E77D1 #8E9FDF

Accessibility & contrast

On white

6.73

#3653BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#3653BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3653BC

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3653BC	#FFFFFF	#000000	##FFFFFF
##3653BC	1.00	6.73	3.12	6.73
#FFFFFF	6.73	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C0

Deuteranopia (green-blind)

#0056BA

Tritanopia (blue-blind)

#006D7F

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3653bc;
/* rgb */ color: rgb(54, 83, 188);
/* oklch */ color: oklch(48.3% 0.169 267.8);

Tailwind

colors: {
  custom: {
    50: '#7e83d1',
    500: '#3653bc',
    950: '#000000',
  },
}

SCSS

$custom: #3653bc;
$custom-light: #7e83d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3653bc",
  "rgb": {
    "r": 54,
    "g": 83,
    "b": 188
  },
  "hsl": {
    "h": 227.015,
    "s": 55.372,
    "l": 47.451
  },
  "oklch": {
    "l": 0.48278,
    "c": 0.16863,
    "h": 267.8
  },
  "luminance": 0.10602
}

Semantic roles & 50–950 ramp

primary

#3653BC

secondary

#C9BA85

accent

#BE49DF

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3653BC

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

Preview Lab → · Contrast checker → · Palette generator →