#3F338F#3F338F

#3F338F is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.1% C 0.146 H 283.3°. Best body text is #FFFFFF at 10.09:1 contrast (WCAG AA passes).

Color values

HEX	#3F338F
RGB	rgb(63, 51, 143)
HSL	hsl(248, 47%, 38%)
HSV	hsv(248, 64%, 56%)
CMYK	cmyk(55.9%, 64.3%, 0%, 43.9%)
CIE-LAB	lab(27.86, 31.77, -49.39)
CIE-LCH	lch(27.86, 58.73, 302.75°)
OKLab	oklab(39.15% 0.0335 -0.1418)
OKLCH	oklch(39.15% 0.146 283.3)
XYZ	xyz(8.1901, 5.4071, 26.5934)
Luminance	0.0541 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F338F #838F33

analogous

#33558F #3F338F #6D338F

triadic

#3F338F #8F3F33 #338F3F

tetradic

#3F338F #8F3355 #838F33 #338F6D

square

#3F338F #8F3355 #838F33 #338F6D

split-complementary

#3F338F #8F6D33 #558F33

monochromatic

#171335 #2B2362 #3F338F #5343BC #7C70CC

Accessibility & contrast

On white

10.09

#3F338F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#3F338F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F338F

10.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F338F	#FFFFFF	#000000	##FFFFFF
##3F338F	1.00	10.09	2.08	10.09
#FFFFFF	10.09	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004592

Deuteranopia (green-blind)

#003F8D

Tritanopia (blue-blind)

#1B495C

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3f338f;
/* rgb */ color: rgb(63, 51, 143);
/* oklch */ color: oklch(39.1% 0.146 283.3);

Tailwind

colors: {
  custom: {
    50: '#7c6bb1',
    500: '#3f338f',
    950: '#000000',
  },
}

SCSS

$custom: #3f338f;
$custom-light: #7c6bb1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f338f",
  "rgb": {
    "r": 63,
    "g": 51,
    "b": 143
  },
  "hsl": {
    "h": 247.826,
    "s": 47.423,
    "l": 38.039
  },
  "oklch": {
    "l": 0.39147,
    "c": 0.14569,
    "h": 283.3
  },
  "luminance": 0.05408
}

Semantic roles & 50–950 ramp

primary

#3F338F

secondary

#AAB46A

accent

#D751C6

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #3F338F

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

Preview Lab → · Contrast checker → · Palette generator →