#3F338E#3F338E

#3F338E is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.1% C 0.144 H 283.5°. Best body text is #FFFFFF at 10.12:1 contrast (WCAG AA passes).

Color values

HEX	#3F338E
RGB	rgb(63, 51, 142)
HSL	hsl(248, 47%, 38%)
HSV	hsv(248, 64%, 56%)
CMYK	cmyk(55.6%, 64.1%, 0%, 44.3%)
CIE-LAB	lab(27.78, 31.45, -48.90)
CIE-LCH	lch(27.78, 58.14, 302.74°)
OKLab	oklab(39.06% 0.0336 -0.1404)
OKLCH	oklch(39.06% 0.144 283.5)
XYZ	xyz(8.1147, 5.3769, 26.1962)
Luminance	0.0538 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F338E #828E33

analogous

#33548E #3F338E #6C338E

triadic

#3F338E #8E3F33 #338E3F

tetradic

#3F338E #8E3354 #828E33 #338E6C

square

#3F338E #8E3354 #828E33 #338E6C

split-complementary

#3F338E #8E6C33 #548E33

monochromatic

#171334 #2B2361 #3F338E #5343BB #7C70CC

Accessibility & contrast

On white

10.12

#3F338E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#3F338E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F338E

10.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F338E	#FFFFFF	#000000	##FFFFFF
##3F338E	1.00	10.12	2.08	10.12
#FFFFFF	10.12	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004491

Deuteranopia (green-blind)

#003F8C

Tritanopia (blue-blind)

#1C495B

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3f338e;
/* rgb */ color: rgb(63, 51, 142);
/* oklch */ color: oklch(39.1% 0.144 283.5);

Tailwind

colors: {
  custom: {
    50: '#7c6bb0',
    500: '#3f338e',
    950: '#000000',
  },
}

SCSS

$custom: #3f338e;
$custom-light: #7c6bb0;
$custom-dark: #000000;

JSON

{
  "hex": "#3f338e",
  "rgb": {
    "r": 63,
    "g": 51,
    "b": 142
  },
  "hsl": {
    "h": 247.912,
    "s": 47.15,
    "l": 37.843
  },
  "oklch": {
    "l": 0.39062,
    "c": 0.14433,
    "h": 283.5
  },
  "luminance": 0.05377
}

Semantic roles & 50–950 ramp

primary

#3F338E

secondary

#AAB469

accent

#D751C5

background

#F7F6FA

surface

#EEEBF5

border

#C9C6CF

text

#0A0710

muted

#7C7A7F

Preview Lab

Preview with #3F338E

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

Preview Lab → · Contrast checker → · Palette generator →