#3645AC#3645AC

#3645AC is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.2% C 0.164 H 271.6°. Best body text is #FFFFFF at 8.07:1 contrast (WCAG AA passes).

Color values

HEX	#3645AC
RGB	rgb(54, 69, 172)
HSL	hsl(232, 52%, 44%)
HSV	hsv(232, 69%, 67%)
CMYK	cmyk(68.6%, 59.9%, 0%, 32.5%)
CIE-LAB	lab(34.02, 28.74, -56.98)
CIE-LCH	lch(34.02, 63.82, 296.77°)
OKLab	oklab(44.25% 0.0046 -0.1642)
OKLCH	oklch(44.25% 0.164 271.6)
XYZ	xyz(11.0933, 8.0180, 39.9847)
Luminance	0.0802 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3645AC #AC9D36

analogous

#3680AC #3645AC #6236AC

triadic

#3645AC #AC3645 #45AC36

tetradic

#3645AC #AC3680 #AC9D36 #36AC62

square

#3645AC #AC3680 #AC9D36 #36AC62

split-complementary

#3645AC #AC6236 #80AC36

monochromatic

#19204F #27327D #3645AC #5564CA #848FD8

Accessibility & contrast

On white

8.07

#3645AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#3645AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3645AC

8.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3645AC	#FFFFFF	#000000	##FFFFFF
##3645AC	1.00	8.07	2.60	8.07
#FFFFFF	8.07	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056AF

Deuteranopia (green-blind)

#004BAA

Tritanopia (blue-blind)

#005F71

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3645ac;
/* rgb */ color: rgb(54, 69, 172);
/* oklch */ color: oklch(44.2% 0.164 271.6);

Tailwind

colors: {
  custom: {
    50: '#7c78c6',
    500: '#3645ac',
    950: '#000000',
  },
}

SCSS

$custom: #3645ac;
$custom-light: #7c78c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3645ac",
  "rgb": {
    "r": 54,
    "g": 69,
    "b": 172
  },
  "hsl": {
    "h": 232.373,
    "s": 52.212,
    "l": 44.314
  },
  "oklch": {
    "l": 0.44247,
    "c": 0.16428,
    "h": 271.6
  },
  "luminance": 0.08019
}

Semantic roles & 50–950 ramp

primary

#3645AC

secondary

#C2B97C

accent

#C94CDC

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3645AC

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

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