#3665AE#3665AE

#3665AE is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.1% C 0.127 H 258.9°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#3665AE
RGB	rgb(54, 101, 174)
HSL	hsl(217, 53%, 45%)
HSV	hsv(217, 69%, 68%)
CMYK	cmyk(69%, 42%, 0%, 31.8%)
CIE-LAB	lab(42.98, 8.64, -43.72)
CIE-LCH	lch(42.98, 44.56, 281.18°)
OKLab	oklab(51.1% -0.0244 -0.1247)
OKLCH	oklch(51.1% 0.127 258.9)
XYZ	xyz(13.8122, 13.1462, 41.8457)
Luminance	0.1315 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3665AE #AE7F36

analogous

#36A1AE #3665AE #4336AE

triadic

#3665AE #AE3665 #65AE36

tetradic

#3665AE #AE36A1 #AE7F36 #36AE43

square

#3665AE #AE36A1 #AE7F36 #36AE43

split-complementary

#3665AE #AE4336 #A1AE36

monochromatic

#192F51 #284A7F #3665AE #5684CB #85A6D9

Accessibility & contrast

On white

5.79

#3665AE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#3665AE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3665AE

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3665AE	#FFFFFF	#000000	##FFFFFF
##3665AE	1.00	5.79	3.63	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#436CB1

Deuteranopia (green-blind)

#3060AD

Tritanopia (blue-blind)

#007681

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3665ae;
/* rgb */ color: rgb(54, 101, 174);
/* oklch */ color: oklch(51.1% 0.127 258.9);

Tailwind

colors: {
  custom: {
    50: '#7b90c6',
    500: '#3665ae',
    950: '#000000',
  },
}

SCSS

$custom: #3665ae;
$custom-light: #7b90c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3665ae",
  "rgb": {
    "r": 54,
    "g": 101,
    "b": 174
  },
  "hsl": {
    "h": 216.5,
    "s": 52.632,
    "l": 44.706
  },
  "oklch": {
    "l": 0.511,
    "c": 0.1271,
    "h": 258.9
  },
  "luminance": 0.13148
}

Semantic roles & 50–950 ramp

primary

#3665AE

secondary

#C3A77D

accent

#A44CDC

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3665AE

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

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