#3F349E#3F349E

#3F349E is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.6% C 0.165 H 280.9°. Best body text is #FFFFFF at 9.56:1 contrast (WCAG AA passes).

Color values

HEX	#3F349E
RGB	rgb(63, 52, 158)
HSL	hsl(246, 50%, 41%)
HSV	hsv(246, 67%, 62%)
CMYK	cmyk(60.1%, 67.1%, 0%, 38%)
CIE-LAB	lab(29.36, 36.08, -56.13)
CIE-LCH	lch(29.36, 66.72, 302.73°)
OKLab	oklab(40.63% 0.031 -0.1616)
OKLCH	oklch(40.63% 0.165 280.9)
XYZ	xyz(9.4475, 5.9807, 32.9977)
Luminance	0.0598 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.62

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F349E #939E34

analogous

#345E9E #3F349E #74349E

triadic

#3F349E #9E3F34 #349E3F

tetradic

#3F349E #9E345E #939E34 #349E74

square

#3F349E #9E345E #939E34 #349E74

split-complementary

#3F349E #9E7434 #5E9E34

monochromatic

#1A1642 #2D2570 #3F349E #584BC4 #8379D3

Accessibility & contrast

On white

9.56

#3F349E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#3F349E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F349E

9.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F349E	#FFFFFF	#000000	##FFFFFF
##3F349E	1.00	9.56	2.20	9.56
#FFFFFF	9.56	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049A1

Deuteranopia (green-blind)

#00419C

Tritanopia (blue-blind)

#004F64

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #3f349e;
/* rgb */ color: rgb(63, 52, 158);
/* oklch */ color: oklch(40.6% 0.165 280.9);

Tailwind

colors: {
  custom: {
    50: '#7f6cbc',
    500: '#3f349e',
    950: '#000000',
  },
}

SCSS

$custom: #3f349e;
$custom-light: #7f6cbc;
$custom-dark: #000000;

JSON

{
  "hex": "#3f349e",
  "rgb": {
    "r": 63,
    "g": 52,
    "b": 158
  },
  "hsl": {
    "h": 246.226,
    "s": 50.476,
    "l": 41.176
  },
  "oklch": {
    "l": 0.40631,
    "c": 0.16452,
    "h": 280.9
  },
  "luminance": 0.05981
}

Semantic roles & 50–950 ramp

primary

#3F349E

secondary

#B4BC72

accent

#DA4ECB

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0712

muted

#7C7A81

Preview Lab

Preview with #3F349E

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

Preview Lab → · Contrast checker → · Palette generator →