#3F46AE#3F46AE

#3F46AE is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.2% C 0.163 H 274.8°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#3F46AE
RGB	rgb(63, 70, 174)
HSL	hsl(236, 47%, 46%)
HSV	hsv(236, 64%, 68%)
CMYK	cmyk(63.8%, 59.8%, 0%, 31.8%)
CIE-LAB	lab(34.99, 30.20, -56.57)
CIE-LCH	lch(34.99, 64.13, 298.10°)
OKLab	oklab(45.16% 0.0138 -0.1628)
OKLCH	oklch(45.16% 0.163 274.8)
XYZ	xyz(11.8775, 8.4921, 41.0494)
Luminance	0.0849 (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

#3F46AE #AEA73F

analogous

#3F7EAE #3F46AE #703FAE

triadic

#3F46AE #AE3F46 #46AE3F

tetradic

#3F46AE #AE3F7E #AEA73F #3FAE70

square

#3F46AE #AE3F7E #AEA73F #3FAE70

split-complementary

#3F46AE #AE703F #7EAE3F

monochromatic

#1E2254 #2F3481 #3F46AE #646AC7 #9095D7

Accessibility & contrast

On white

7.78

#3F46AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#3F46AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F46AE

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F46AE	#FFFFFF	#000000	##FFFFFF
##3F46AE	1.00	7.78	2.70	7.78
#FFFFFF	7.78	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057B1

Deuteranopia (green-blind)

#004DAC

Tritanopia (blue-blind)

#005F73

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3f46ae;
/* rgb */ color: rgb(63, 70, 174);
/* oklch */ color: oklch(45.2% 0.163 274.8);

Tailwind

colors: {
  custom: {
    50: '#8079c7',
    500: '#3f46ae',
    950: '#000000',
  },
}

SCSS

$custom: #3f46ae;
$custom-light: #8079c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f46ae",
  "rgb": {
    "r": 63,
    "g": 70,
    "b": 174
  },
  "hsl": {
    "h": 236.216,
    "s": 46.835,
    "l": 46.471
  },
  "oklch": {
    "l": 0.4516,
    "c": 0.16337,
    "h": 274.8
  },
  "luminance": 0.08493
}

Semantic roles & 50–950 ramp

primary

#3F46AE

secondary

#C2BE87

accent

#CE51D6

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3F46AE

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

Preview Lab → · Contrast checker → · Palette generator →