#3659AC#3659AC

#3659AC is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.3% C 0.139 H 264.6°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#3659AC
RGB	rgb(54, 89, 172)
HSL	hsl(222, 52%, 44%)
HSV	hsv(222, 69%, 67%)
CMYK	cmyk(68.6%, 48.3%, 0%, 32.5%)
CIE-LAB	lab(39.42, 15.63, -48.24)
CIE-LCH	lch(39.42, 50.71, 287.96°)
OKLab	oklab(48.32% -0.0131 -0.1382)
OKLCH	oklch(48.32% 0.139 264.6)
XYZ	xyz(12.5375, 10.9063, 40.4661)
Luminance	0.1091 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3659AC #AC8936

analogous

#3694AC #3659AC #4E36AC

triadic

#3659AC #AC3659 #59AC36

tetradic

#3659AC #AC3694 #AC8936 #36AC4E

square

#3659AC #AC3694 #AC8936 #36AC4E

split-complementary

#3659AC #AC4E36 #94AC36

monochromatic

#19294F #27417D #3659AC #5578CA #849DD8

Accessibility & contrast

On white

6.60

#3659AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#3659AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3659AC

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3659AC	#FFFFFF	#000000	##FFFFFF
##3659AC	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D63AF

Deuteranopia (green-blind)

#1158AA

Tritanopia (blue-blind)

#006C7A

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3659ac;
/* rgb */ color: rgb(54, 89, 172);
/* oklch */ color: oklch(48.3% 0.139 264.6);

Tailwind

colors: {
  custom: {
    50: '#7b87c5',
    500: '#3659ac',
    950: '#000000',
  },
}

SCSS

$custom: #3659ac;
$custom-light: #7b87c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3659ac",
  "rgb": {
    "r": 54,
    "g": 89,
    "b": 172
  },
  "hsl": {
    "h": 222.203,
    "s": 52.212,
    "l": 44.314
  },
  "oklch": {
    "l": 0.4832,
    "c": 0.13885,
    "h": 264.6
  },
  "luminance": 0.10908
}

Semantic roles & 50–950 ramp

primary

#3659AC

secondary

#C2AD7C

accent

#B14CDC

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #3659AC

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

Preview Lab → · Contrast checker → · Palette generator →