#3F3580#3F3580

#3F3580 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.3% C 0.122 H 285.2°. Best body text is #FFFFFF at 10.33:1 contrast (WCAG AA passes).

Color values

HEX	#3F3580
RGB	rgb(63, 53, 128)
HSL	hsl(248, 41%, 35%)
HSV	hsv(248, 59%, 50%)
CMYK	cmyk(50.8%, 58.6%, 0%, 49.8%)
CIE-LAB	lab(27.19, 25.58, -41.15)
CIE-LCH	lch(27.19, 48.45, 301.86°)
OKLab	oklab(38.28% 0.0319 -0.1176)
OKLCH	oklch(38.28% 0.122 285.2)
XYZ	xyz(7.2181, 5.1611, 21.0338)
Luminance	0.0516 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F3580 #768035

analogous

#355080 #3F3580 #643580

triadic

#3F3580 #803F35 #35803F

tetradic

#3F3580 #803550 #768035 #358064

square

#3F3580 #803550 #768035 #358064

split-complementary

#3F3580 #806435 #508035

monochromatic

#141129 #2A2355 #3F3580 #5447AB #786DC3

Accessibility & contrast

On white

10.33

#3F3580 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#3F3580 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3580

10.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3580	#FFFFFF	#000000	##FFFFFF
##3F3580	1.00	10.33	2.03	10.33
#FFFFFF	10.33	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#034283

Deuteranopia (green-blind)

#003E7E

Tritanopia (blue-blind)

#284655

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #3f3580;
/* rgb */ color: rgb(63, 53, 128);
/* oklch */ color: oklch(38.3% 0.122 285.2);

Tailwind

colors: {
  custom: {
    50: '#796ca5',
    500: '#3f3580',
    950: '#000000',
  },
}

SCSS

$custom: #3f3580;
$custom-light: #796ca5;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3580",
  "rgb": {
    "r": 63,
    "g": 53,
    "b": 128
  },
  "hsl": {
    "h": 248,
    "s": 41.436,
    "l": 35.49
  },
  "oklch": {
    "l": 0.38283,
    "c": 0.1218,
    "h": 285.2
  },
  "luminance": 0.05161
}

Semantic roles & 50–950 ramp

primary

#3F3580

secondary

#A2AB66

accent

#D157C1

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#09070F

muted

#7B7A7F

Preview Lab

Preview with #3F3580

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

Preview Lab → · Contrast checker → · Palette generator →