#3F4496#3F4496

#3F4496 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 42.9% C 0.132 H 276.6°. Best body text is #FFFFFF at 8.47:1 contrast (WCAG AA passes).

Color values

HEX	#3F4496
RGB	rgb(63, 68, 150)
HSL	hsl(237, 41%, 42%)
HSV	hsv(237, 58%, 59%)
CMYK	cmyk(58%, 54.7%, 0%, 41.2%)
CIE-LAB	lab(32.68, 23.17, -45.87)
CIE-LCH	lch(32.68, 51.39, 296.80°)
OKLab	oklab(42.88% 0.0153 -0.1313)
OKLCH	oklch(42.88% 0.132 276.6)
XYZ	xyz(9.6203, 7.3923, 29.7682)
Luminance	0.0739 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4496 #96913F

analogous

#3F7096 #3F4496 #663F96

triadic

#3F4496 #963F44 #44963F

tetradic

#3F4496 #963F70 #96913F #3F9666

square

#3F4496 #963F70 #96913F #3F9666

split-complementary

#3F4496 #96663F #70963F

monochromatic

#1B1D40 #2D306B #3F4496 #595EB9 #8488CB

Accessibility & contrast

On white

8.47

#3F4496 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#3F4496 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4496

8.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4496	#FFFFFF	#000000	##FFFFFF
##3F4496	1.00	8.47	2.48	8.47
#FFFFFF	8.47	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#125199

Deuteranopia (green-blind)

#004994

Tritanopia (blue-blind)

#0B5766

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3f4496;
/* rgb */ color: rgb(63, 68, 150);
/* oklch */ color: oklch(42.9% 0.132 276.6);

Tailwind

colors: {
  custom: {
    50: '#7c77b5',
    500: '#3f4496',
    950: '#000000',
  },
}

SCSS

$custom: #3f4496;
$custom-light: #7c77b5;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4496",
  "rgb": {
    "r": 63,
    "g": 68,
    "b": 150
  },
  "hsl": {
    "h": 236.552,
    "s": 40.845,
    "l": 41.765
  },
  "oklch": {
    "l": 0.4288,
    "c": 0.13221,
    "h": 276.6
  },
  "luminance": 0.07393
}

Semantic roles & 50–950 ramp

primary

#3F4496

secondary

#B6B27B

accent

#CA57D1

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0811

muted

#7C7B80

Preview Lab

Preview with #3F4496

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

Preview Lab → · Contrast checker → · Palette generator →