#3665C2#3665C2

#3665C2 is a mid, vivid blue. Relative luminance 0.140; OKLCH L 52.4% C 0.155 H 262.3°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#3665C2
RGB	rgb(54, 101, 194)
HSL	hsl(220, 56%, 49%)
HSV	hsv(220, 72%, 76%)
CMYK	cmyk(72.2%, 47.9%, 0%, 23.9%)
CIE-LAB	lab(44.21, 16.02, -53.40)
CIE-LCH	lch(44.21, 55.76, 286.70°)
OKLab	oklab(52.44% -0.0208 -0.1532)
OKLCH	oklch(52.44% 0.155 262.3)
XYZ	xyz(15.9091, 13.9850, 52.8894)
Luminance	0.1399 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3665C2 #C29336

analogous

#36ABC2 #3665C2 #4D36C2

triadic

#3665C2 #C23665 #65C236

tetradic

#3665C2 #C236AB #C29336 #36C24D

square

#3665C2 #C236AB #C29336 #36C24D

split-complementary

#3665C2 #C24D36 #ABC236

monochromatic

#1B3362 #294C92 #3665C2 #6288D3 #92ACE1

Accessibility & contrast

On white

5.53

#3665C2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#3665C2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3665C2

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3665C2	#FFFFFF	#000000	##FFFFFF
##3665C2	1.00	5.53	3.80	5.53
#FFFFFF	5.53	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#326FC5

Deuteranopia (green-blind)

#0862C0

Tritanopia (blue-blind)

#007B8A

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3665c2;
/* rgb */ color: rgb(54, 101, 194);
/* oklch */ color: oklch(52.4% 0.155 262.3);

Tailwind

colors: {
  custom: {
    50: '#7f90d5',
    500: '#3665c2',
    950: '#000000',
  },
}

SCSS

$custom: #3665c2;
$custom-light: #7f90d5;
$custom-dark: #000000;

JSON

{
  "hex": "#3665c2",
  "rgb": {
    "r": 54,
    "g": 101,
    "b": 194
  },
  "hsl": {
    "h": 219.857,
    "s": 56.452,
    "l": 48.627
  },
  "oklch": {
    "l": 0.52442,
    "c": 0.15464,
    "h": 262.3
  },
  "luminance": 0.13987
}

Semantic roles & 50–950 ramp

primary

#3665C2

secondary

#CCB588

accent

#AD48E0

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3665C2

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

Preview Lab → · Contrast checker → · Palette generator →