#3F349D#3F349D

#3F349D is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.5% C 0.163 H 281.0°. Best body text is #FFFFFF at 9.59:1 contrast (WCAG AA passes).

Color values

HEX	#3F349D
RGB	rgb(63, 52, 157)
HSL	hsl(246, 50%, 41%)
HSV	hsv(246, 67%, 62%)
CMYK	cmyk(59.9%, 66.9%, 0%, 38.4%)
CIE-LAB	lab(29.28, 35.75, -55.66)
CIE-LCH	lch(29.28, 66.15, 302.71°)
OKLab	oklab(40.54% 0.0311 -0.1602)
OKLCH	oklch(40.54% 0.163 281)
XYZ	xyz(9.3618, 5.9464, 32.5462)
Luminance	0.0595 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.74

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F349D #929D34

analogous

#345D9D #3F349D #73349D

triadic

#3F349D #9D3F34 #349D3F

tetradic

#3F349D #9D345D #929D34 #349D73

square

#3F349D #9D345D #929D34 #349D73

split-complementary

#3F349D #9D7334 #5D9D34

monochromatic

#1A1641 #2D256F #3F349D #574BC3 #8279D3

Accessibility & contrast

On white

9.59

#3F349D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#3F349D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F349D

9.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F349D	#FFFFFF	#000000	##FFFFFF
##3F349D	1.00	9.59	2.19	9.59
#FFFFFF	9.59	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049A0

Deuteranopia (green-blind)

#00419B

Tritanopia (blue-blind)

#004F64

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #3f349d;
/* rgb */ color: rgb(63, 52, 157);
/* oklch */ color: oklch(40.5% 0.163 281.0);

Tailwind

colors: {
  custom: {
    50: '#7e6cbb',
    500: '#3f349d',
    950: '#000000',
  },
}

SCSS

$custom: #3f349d;
$custom-light: #7e6cbb;
$custom-dark: #000000;

JSON

{
  "hex": "#3f349d",
  "rgb": {
    "r": 63,
    "g": 52,
    "b": 157
  },
  "hsl": {
    "h": 246.286,
    "s": 50.239,
    "l": 40.98
  },
  "oklch": {
    "l": 0.40541,
    "c": 0.1632,
    "h": 281
  },
  "luminance": 0.05947
}

Semantic roles & 50–950 ramp

primary

#3F349D

secondary

#B3BB72

accent

#DA4ECB

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0712

muted

#7C7A81

Preview Lab

Preview with #3F349D

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

Preview Lab → · Contrast checker → · Palette generator →