#3F349C#3F349C

#3F349C is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.5% C 0.162 H 281.1°. Best body text is #FFFFFF at 9.62:1 contrast (WCAG AA passes).

Color values

HEX	#3F349C
RGB	rgb(63, 52, 156)
HSL	hsl(246, 50%, 41%)
HSV	hsv(246, 67%, 61%)
CMYK	cmyk(59.6%, 66.7%, 0%, 38.8%)
CIE-LAB	lab(29.19, 35.42, -55.19)
CIE-LCH	lch(29.19, 65.58, 302.69°)
OKLab	oklab(40.45% 0.0312 -0.1588)
OKLCH	oklch(40.45% 0.162 281.1)
XYZ	xyz(9.2768, 5.9124, 32.0984)
Luminance	0.0591 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.87

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F349C #919C34

analogous

#345D9C #3F349C #73349C

triadic

#3F349C #9C3F34 #349C3F

tetradic

#3F349C #9C345D #919C34 #349C73

square

#3F349C #9C345D #919C34 #349C73

split-complementary

#3F349C #9C7334 #5D9C34

monochromatic

#1A1540 #2C256E #3F349C #574AC3 #8278D2

Accessibility & contrast

On white

9.62

#3F349C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#3F349C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F349C

9.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F349C	#FFFFFF	#000000	##FFFFFF
##3F349C	1.00	9.62	2.18	9.62
#FFFFFF	9.62	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00489F

Deuteranopia (green-blind)

#00419A

Tritanopia (blue-blind)

#014E63

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #3f349c;
/* rgb */ color: rgb(63, 52, 156);
/* oklch */ color: oklch(40.5% 0.162 281.1);

Tailwind

colors: {
  custom: {
    50: '#7e6cba',
    500: '#3f349c',
    950: '#000000',
  },
}

SCSS

$custom: #3f349c;
$custom-light: #7e6cba;
$custom-dark: #000000;

JSON

{
  "hex": "#3f349c",
  "rgb": {
    "r": 63,
    "g": 52,
    "b": 156
  },
  "hsl": {
    "h": 246.346,
    "s": 50,
    "l": 40.784
  },
  "oklch": {
    "l": 0.40452,
    "c": 0.16188,
    "h": 281.1
  },
  "luminance": 0.05913
}

Semantic roles & 50–950 ramp

primary

#3F349C

secondary

#B3BB71

accent

#DA4ECB

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0712

muted

#7C7A81

Preview Lab

Preview with #3F349C

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

Preview Lab → · Contrast checker → · Palette generator →