#3F41AE#3F41AE

#3F41AE is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.3% C 0.170 H 276.2°. Best body text is #FFFFFF at 8.14:1 contrast (WCAG AA passes).

Color values

HEX	#3F41AE
RGB	rgb(63, 65, 174)
HSL	hsl(239, 47%, 46%)
HSV	hsv(239, 64%, 68%)
CMYK	cmyk(63.8%, 62.6%, 0%, 31.8%)
CIE-LAB	lab(33.76, 33.38, -58.57)
CIE-LCH	lch(33.76, 67.42, 299.68°)
OKLab	oklab(44.25% 0.0182 -0.1687)
OKLCH	oklch(44.25% 0.17 276.2)
XYZ	xyz(11.5777, 7.8924, 40.9495)
Luminance	0.0789 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F41AE #AEAC3F

analogous

#3F79AE #3F41AE #753FAE

triadic

#3F41AE #AE3F41 #41AE3F

tetradic

#3F41AE #AE3F79 #AEAC3F #3FAE75

square

#3F41AE #AE3F79 #AEAC3F #3FAE75

split-complementary

#3F41AE #AE753F #79AE3F

monochromatic

#1E1F54 #2F3081 #3F41AE #6465C7 #9092D7

Accessibility & contrast

On white

8.14

#3F41AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#3F41AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F41AE

8.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F41AE	#FFFFFF	#000000	##FFFFFF
##3F41AE	1.00	8.14	2.58	8.14
#FFFFFF	8.14	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B2

Deuteranopia (green-blind)

#004BAC

Tritanopia (blue-blind)

#005C71

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3f41ae;
/* rgb */ color: rgb(63, 65, 174);
/* oklch */ color: oklch(44.3% 0.170 276.2);

Tailwind

colors: {
  custom: {
    50: '#8176c7',
    500: '#3f41ae',
    950: '#000000',
  },
}

SCSS

$custom: #3f41ae;
$custom-light: #8176c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f41ae",
  "rgb": {
    "r": 63,
    "g": 65,
    "b": 174
  },
  "hsl": {
    "h": 238.919,
    "s": 46.835,
    "l": 46.471
  },
  "oklch": {
    "l": 0.44254,
    "c": 0.16969,
    "h": 276.2
  },
  "luminance": 0.07893
}

Semantic roles & 50–950 ramp

primary

#3F41AE

secondary

#C2C187

accent

#D451D6

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3F41AE

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

Preview Lab → · Contrast checker → · Palette generator →