#3F2F9F#3F2F9F

#3F2F9F is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.9% C 0.172 H 281.8°. Best body text is #FFFFFF at 9.91:1 contrast (WCAG AA passes).

Color values

HEX	#3F2F9F
RGB	rgb(63, 47, 159)
HSL	hsl(249, 54%, 40%)
HSV	hsv(249, 70%, 62%)
CMYK	cmyk(60.4%, 70.4%, 0%, 37.6%)
CIE-LAB	lab(28.36, 39.38, -58.38)
CIE-LCH	lch(28.36, 70.42, 304.00°)
OKLab	oklab(39.94% 0.0351 -0.1682)
OKLCH	oklch(39.94% 0.172 281.8)
XYZ	xyz(9.3225, 5.5924, 33.3823)
Luminance	0.0559 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.88

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F2F9F #8F9F2F

analogous

#2F579F #3F2F9F #772F9F

triadic

#3F2F9F #9F3F2F #2F9F3F

tetradic

#3F2F9F #9F2F57 #8F9F2F #2F9F77

square

#3F2F9F #9F2F57 #8F9F2F #2F9F77

split-complementary

#3F2F9F #9F772F #579F2F

monochromatic

#1A1341 #2C2170 #3F2F9F #5644C8 #8173D6

Accessibility & contrast

On white

9.91

#3F2F9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#3F2F9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F2F9F

9.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F2F9F	#FFFFFF	#000000	##FFFFFF
##3F2F9F	1.00	9.91	2.12	9.91
#FFFFFF	9.91	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A2

Deuteranopia (green-blind)

#003F9D

Tritanopia (blue-blind)

#004D63

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3f2f9f;
/* rgb */ color: rgb(63, 47, 159);
/* oklch */ color: oklch(39.9% 0.172 281.8);

Tailwind

colors: {
  custom: {
    50: '#7f69bc',
    500: '#3f2f9f',
    950: '#000000',
  },
}

SCSS

$custom: #3f2f9f;
$custom-light: #7f69bc;
$custom-dark: #000000;

JSON

{
  "hex": "#3f2f9f",
  "rgb": {
    "r": 63,
    "g": 47,
    "b": 159
  },
  "hsl": {
    "h": 248.571,
    "s": 54.369,
    "l": 40.392
  },
  "oklch": {
    "l": 0.39936,
    "c": 0.1718,
    "h": 281.8
  },
  "luminance": 0.05593
}

Semantic roles & 50–950 ramp

primary

#3F2F9F

secondary

#B2BD6D

accent

#DE4AC9

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #3F2F9F

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

Preview Lab → · Contrast checker → · Palette generator →