#3648AC#3648AC

#3648AC is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.8% C 0.160 H 270.8°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#3648AC
RGB	rgb(54, 72, 172)
HSL	hsl(231, 52%, 44%)
HSV	hsv(231, 69%, 67%)
CMYK	cmyk(68.6%, 58.1%, 0%, 32.5%)
CIE-LAB	lab(34.80, 26.79, -55.72)
CIE-LCH	lch(34.80, 61.82, 295.68°)
OKLab	oklab(44.82% 0.0021 -0.1605)
OKLCH	oklch(44.82% 0.16 270.8)
XYZ	xyz(11.2826, 8.3965, 40.0478)
Luminance	0.0840 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3648AC #AC9A36

analogous

#3683AC #3648AC #5F36AC

triadic

#3648AC #AC3648 #48AC36

tetradic

#3648AC #AC3683 #AC9A36 #36AC5F

square

#3648AC #AC3683 #AC9A36 #36AC5F

split-complementary

#3648AC #AC5F36 #83AC36

monochromatic

#19214F #27357D #3648AC #5567CA #8491D8

Accessibility & contrast

On white

7.84

#3648AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#3648AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3648AC

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3648AC	#FFFFFF	#000000	##FFFFFF
##3648AC	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)

#0057AF

Deuteranopia (green-blind)

#004DAA

Tritanopia (blue-blind)

#006173

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3648ac;
/* rgb */ color: rgb(54, 72, 172);
/* oklch */ color: oklch(44.8% 0.160 270.8);

Tailwind

colors: {
  custom: {
    50: '#7c7ac5',
    500: '#3648ac',
    950: '#000000',
  },
}

SCSS

$custom: #3648ac;
$custom-light: #7c7ac5;
$custom-dark: #000000;

JSON

{
  "hex": "#3648ac",
  "rgb": {
    "r": 54,
    "g": 72,
    "b": 172
  },
  "hsl": {
    "h": 230.847,
    "s": 52.212,
    "l": 44.314
  },
  "oklch": {
    "l": 0.44823,
    "c": 0.16049,
    "h": 270.8
  },
  "luminance": 0.08398
}

Semantic roles & 50–950 ramp

primary

#3648AC

secondary

#C2B77C

accent

#C64CDC

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3648AC

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

Preview Lab → · Contrast checker → · Palette generator →