#3661AE#3661AE

#3661AE is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.2% C 0.132 H 261.1°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#3661AE
RGB	rgb(54, 97, 174)
HSL	hsl(219, 53%, 45%)
HSV	hsv(219, 69%, 68%)
CMYK	cmyk(69%, 44.3%, 0%, 31.8%)
CIE-LAB	lab(41.83, 11.19, -45.56)
CIE-LCH	lch(41.83, 46.92, 283.80°)
OKLab	oklab(50.21% -0.0205 -0.1302)
OKLCH	oklch(50.21% 0.132 261.1)
XYZ	xyz(13.4333, 12.3883, 41.7194)
Luminance	0.1239 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3661AE #AE8336

analogous

#369DAE #3661AE #4736AE

triadic

#3661AE #AE3661 #61AE36

tetradic

#3661AE #AE369D #AE8336 #36AE47

square

#3661AE #AE369D #AE8336 #36AE47

split-complementary

#3661AE #AE4736 #9DAE36

monochromatic

#192D51 #28477F #3661AE #5680CB #85A3D9

Accessibility & contrast

On white

6.04

#3661AE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#3661AE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3661AE

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3661AE	#FFFFFF	#000000	##FFFFFF
##3661AE	1.00	6.04	3.48	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C69B1

Deuteranopia (green-blind)

#275EAC

Tritanopia (blue-blind)

#00737F

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #3661ae;
/* rgb */ color: rgb(54, 97, 174);
/* oklch */ color: oklch(50.2% 0.132 261.1);

Tailwind

colors: {
  custom: {
    50: '#7b8dc7',
    500: '#3661ae',
    950: '#000000',
  },
}

SCSS

$custom: #3661ae;
$custom-light: #7b8dc7;
$custom-dark: #000000;

JSON

{
  "hex": "#3661ae",
  "rgb": {
    "r": 54,
    "g": 97,
    "b": 174
  },
  "hsl": {
    "h": 218.5,
    "s": 52.632,
    "l": 44.706
  },
  "oklch": {
    "l": 0.50206,
    "c": 0.13183,
    "h": 261.1
  },
  "luminance": 0.1239
}

Semantic roles & 50–950 ramp

primary

#3661AE

secondary

#C3AA7D

accent

#A84CDC

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3661AE

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

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