#3F349F#3F349F

#3F349F is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.7% C 0.166 H 280.7°. Best body text is #FFFFFF at 9.53:1 contrast (WCAG AA passes).

Color values

HEX	#3F349F
RGB	rgb(63, 52, 159)
HSL	hsl(246, 51%, 41%)
HSV	hsv(246, 67%, 62%)
CMYK	cmyk(60.4%, 67.3%, 0%, 37.6%)
CIE-LAB	lab(29.45, 36.41, -56.59)
CIE-LCH	lch(29.45, 67.29, 302.75°)
OKLab	oklab(40.72% 0.0309 -0.1629)
OKLCH	oklch(40.72% 0.166 280.7)
XYZ	xyz(9.5339, 6.0153, 33.4528)
Luminance	0.0602 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.49

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F349F #949F34

analogous

#345F9F #3F349F #75349F

triadic

#3F349F #9F3F34 #349F3F

tetradic

#3F349F #9F345F #949F34 #349F75

square

#3F349F #9F345F #949F34 #349F75

split-complementary

#3F349F #9F7534 #5F9F34

monochromatic

#1A1643 #2D2571 #3F349F #584CC4 #837AD3

Accessibility & contrast

On white

9.53

#3F349F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#3F349F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F349F

9.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F349F	#FFFFFF	#000000	##FFFFFF
##3F349F	1.00	9.53	2.20	9.53
#FFFFFF	9.53	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049A2

Deuteranopia (green-blind)

#00419D

Tritanopia (blue-blind)

#005065

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #3f349f;
/* rgb */ color: rgb(63, 52, 159);
/* oklch */ color: oklch(40.7% 0.166 280.7);

Tailwind

colors: {
  custom: {
    50: '#7f6cbc',
    500: '#3f349f',
    950: '#000000',
  },
}

SCSS

$custom: #3f349f;
$custom-light: #7f6cbc;
$custom-dark: #000000;

JSON

{
  "hex": "#3f349f",
  "rgb": {
    "r": 63,
    "g": 52,
    "b": 159
  },
  "hsl": {
    "h": 246.168,
    "s": 50.711,
    "l": 41.373
  },
  "oklch": {
    "l": 0.40721,
    "c": 0.16583,
    "h": 280.7
  },
  "luminance": 0.06016
}

Semantic roles & 50–950 ramp

primary

#3F349F

secondary

#B5BC73

accent

#DA4ECC

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0B0712

muted

#7C7A81

Preview Lab

Preview with #3F349F

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

Preview Lab → · Contrast checker → · Palette generator →