#3F48AE#3F48AE

#3F48AE is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.5% C 0.161 H 274.3°. Best body text is #FFFFFF at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#3F48AE
RGB	rgb(63, 72, 174)
HSL	hsl(235, 47%, 46%)
HSV	hsv(235, 64%, 68%)
CMYK	cmyk(63.8%, 58.6%, 0%, 31.8%)
CIE-LAB	lab(35.49, 28.92, -55.75)
CIE-LCH	lch(35.49, 62.81, 297.42°)
OKLab	oklab(45.53% 0.012 -0.1604)
OKLCH	oklch(45.53% 0.161 274.3)
XYZ	xyz(12.0047, 8.7465, 41.0918)
Luminance	0.0875 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.19

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F48AE #AEA53F

analogous

#3F80AE #3F48AE #6E3FAE

triadic

#3F48AE #AE3F48 #48AE3F

tetradic

#3F48AE #AE3F80 #AEA53F #3FAE6E

square

#3F48AE #AE3F80 #AEA53F #3FAE6E

split-complementary

#3F48AE #AE6E3F #80AE3F

monochromatic

#1E2354 #2F3581 #3F48AE #646CC7 #9096D7

Accessibility & contrast

On white

7.64

#3F48AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#3F48AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F48AE

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F48AE	#FFFFFF	#000000	##FFFFFF
##3F48AE	1.00	7.64	2.75	7.64
#FFFFFF	7.64	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058B1

Deuteranopia (green-blind)

#004FAC

Tritanopia (blue-blind)

#006174

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3f48ae;
/* rgb */ color: rgb(63, 72, 174);
/* oklch */ color: oklch(45.5% 0.161 274.3);

Tailwind

colors: {
  custom: {
    50: '#807bc7',
    500: '#3f48ae',
    950: '#000000',
  },
}

SCSS

$custom: #3f48ae;
$custom-light: #807bc7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f48ae",
  "rgb": {
    "r": 63,
    "g": 72,
    "b": 174
  },
  "hsl": {
    "h": 235.135,
    "s": 46.835,
    "l": 46.471
  },
  "oklch": {
    "l": 0.45534,
    "c": 0.16081,
    "h": 274.3
  },
  "luminance": 0.08747
}

Semantic roles & 50–950 ramp

primary

#3F48AE

secondary

#C2BD87

accent

#CC51D6

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3F48AE

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

Preview Lab → · Contrast checker → · Palette generator →