#3F3490#3F3490

#3F3490 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.4% C 0.146 H 282.8°. Best body text is #FFFFFF at 9.98:1 contrast (WCAG AA passes).

Color values

HEX	#3F3490
RGB	rgb(63, 52, 144)
HSL	hsl(247, 47%, 38%)
HSV	hsv(247, 64%, 56%)
CMYK	cmyk(56.3%, 63.9%, 0%, 43.5%)
CIE-LAB	lab(28.18, 31.48, -49.49)
CIE-LCH	lch(28.18, 58.65, 302.46°)
OKLab	oklab(39.41% 0.0324 -0.1421)
OKLCH	oklch(39.41% 0.146 282.8)
XYZ	xyz(8.3104, 5.5259, 27.0088)
Luminance	0.0553 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F3490 #859034

analogous

#345790 #3F3490 #6D3490

triadic

#3F3490 #903F34 #34903F

tetradic

#3F3490 #903457 #859034 #34906D

square

#3F3490 #903457 #859034 #34906D

split-complementary

#3F3490 #906D34 #579034

monochromatic

#181436 #2B2463 #3F3490 #5345BC #7D72CC

Accessibility & contrast

On white

9.98

#3F3490 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#3F3490 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3490

9.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3490	#FFFFFF	#000000	##FFFFFF
##3F3490	1.00	9.98	2.11	9.98
#FFFFFF	9.98	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004593

Deuteranopia (green-blind)

#003F8E

Tritanopia (blue-blind)

#194A5D

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3f3490;
/* rgb */ color: rgb(63, 52, 144);
/* oklch */ color: oklch(39.4% 0.146 282.8);

Tailwind

colors: {
  custom: {
    50: '#7c6cb1',
    500: '#3f3490',
    950: '#000000',
  },
}

SCSS

$custom: #3f3490;
$custom-light: #7c6cb1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3490",
  "rgb": {
    "r": 63,
    "g": 52,
    "b": 144
  },
  "hsl": {
    "h": 247.174,
    "s": 46.939,
    "l": 38.431
  },
  "oklch": {
    "l": 0.39406,
    "c": 0.14573,
    "h": 282.8
  },
  "luminance": 0.05526
}

Semantic roles & 50–950 ramp

primary

#3F3490

secondary

#ACB46B

accent

#D751C7

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #3F3490

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

Preview Lab → · Contrast checker → · Palette generator →