#3647AF#3647AF

#3647AF is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.9% C 0.166 H 271.0°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#3647AF
RGB	rgb(54, 71, 175)
HSL	hsl(232, 53%, 45%)
HSV	hsv(232, 69%, 69%)
CMYK	cmyk(69.1%, 59.4%, 0%, 31.4%)
CIE-LAB	lab(34.77, 28.53, -57.54)
CIE-LCH	lch(34.77, 64.22, 296.37°)
OKLab	oklab(44.88% 0.003 -0.1658)
OKLCH	oklch(44.88% 0.166 271)
XYZ	xyz(11.5098, 8.3848, 41.5610)
Luminance	0.0839 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3647AF #AF9E36

analogous

#3684AF #3647AF #6136AF

triadic

#3647AF #AF3647 #47AF36

tetradic

#3647AF #AF3684 #AF9E36 #36AF61

square

#3647AF #AF3684 #AF9E36 #36AF61

split-complementary

#3647AF #AF6136 #84AF36

monochromatic

#192151 #283480 #3647AF #5767CB #8692DA

Accessibility & contrast

On white

7.84

#3647AF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#3647AF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3647AF

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3647AF	#FFFFFF	#000000	##FFFFFF
##3647AF	1.00	7.84	2.68	7.84
#FFFFFF	7.84	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057B2

Deuteranopia (green-blind)

#004CAD

Tritanopia (blue-blind)

#006174

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3647af;
/* rgb */ color: rgb(54, 71, 175);
/* oklch */ color: oklch(44.9% 0.166 271.0);

Tailwind

colors: {
  custom: {
    50: '#7c7ac8',
    500: '#3647af',
    950: '#000000',
  },
}

SCSS

$custom: #3647af;
$custom-light: #7c7ac8;
$custom-dark: #000000;

JSON

{
  "hex": "#3647af",
  "rgb": {
    "r": 54,
    "g": 71,
    "b": 175
  },
  "hsl": {
    "h": 231.57,
    "s": 52.838,
    "l": 44.902
  },
  "oklch": {
    "l": 0.4488,
    "c": 0.16588,
    "h": 271
  },
  "luminance": 0.08386
}

Semantic roles & 50–950 ramp

primary

#3647AF

secondary

#C3BA7D

accent

#C84CDC

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3647AF

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

Preview Lab → · Contrast checker → · Palette generator →