#3F2F99#3F2F99

#3F2F99 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.4% C 0.164 H 282.7°. Best body text is #FFFFFF at 10.11:1 contrast (WCAG AA passes).

Color values

HEX	#3F2F99
RGB	rgb(63, 47, 153)
HSL	hsl(249, 53%, 39%)
HSV	hsv(249, 69%, 60%)
CMYK	cmyk(58.8%, 69.3%, 0%, 40%)
CIE-LAB	lab(27.82, 37.46, -55.61)
CIE-LCH	lch(27.82, 67.05, 303.96°)
OKLab	oklab(39.38% 0.0361 -0.1601)
OKLCH	oklch(39.38% 0.164 282.7)
XYZ	xyz(8.8144, 5.3891, 30.7065)
Luminance	0.0539 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F2F99 #89992F

analogous

#2F5499 #3F2F99 #742F99

triadic

#3F2F99 #993F2F #2F993F

tetradic

#3F2F99 #992F54 #89992F #2F9974

square

#3F2F99 #992F54 #89992F #2F9974

split-complementary

#3F2F99 #99742F #54992F

monochromatic

#18123B #2C216A #3F2F99 #5541C5 #7E6FD3

Accessibility & contrast

On white

10.11

#3F2F99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#3F2F99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F2F99

10.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F2F99	#FFFFFF	#000000	##FFFFFF
##3F2F99	1.00	10.11	2.08	10.11
#FFFFFF	10.11	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00459C

Deuteranopia (green-blind)

#003E97

Tritanopia (blue-blind)

#0B4B60

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3f2f99;
/* rgb */ color: rgb(63, 47, 153);
/* oklch */ color: oklch(39.4% 0.164 282.7);

Tailwind

colors: {
  custom: {
    50: '#7e69b8',
    500: '#3f2f99',
    950: '#000000',
  },
}

SCSS

$custom: #3f2f99;
$custom-light: #7e69b8;
$custom-dark: #000000;

JSON

{
  "hex": "#3f2f99",
  "rgb": {
    "r": 63,
    "g": 47,
    "b": 153
  },
  "hsl": {
    "h": 249.057,
    "s": 53,
    "l": 39.216
  },
  "oklch": {
    "l": 0.39378,
    "c": 0.16409,
    "h": 282.7
  },
  "luminance": 0.0539
}

Semantic roles & 50–950 ramp

primary

#3F2F99

secondary

#AEBA69

accent

#DC4BC7

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0611

muted

#7C7A80

Preview Lab

Preview with #3F2F99

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

Preview Lab → · Contrast checker → · Palette generator →