#3F2D9D#3F2D9D

#3F2D9D is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.4% C 0.172 H 282.5°. Best body text is #FFFFFF at 10.13:1 contrast (WCAG AA passes).

Color values

HEX	#3F2D9D
RGB	rgb(63, 45, 157)
HSL	hsl(250, 55%, 40%)
HSV	hsv(250, 71%, 62%)
CMYK	cmyk(59.9%, 71.3%, 0%, 38.4%)
CIE-LAB	lab(27.76, 39.90, -58.15)
CIE-LCH	lch(27.76, 70.52, 304.46°)
OKLab	oklab(39.45% 0.0371 -0.1675)
OKLCH	oklch(39.45% 0.172 282.5)
XYZ	xyz(9.0722, 5.3672, 32.4497)
Luminance	0.0537 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F2D9D #8B9D2D

analogous

#2D539D #3F2D9D #772D9D

triadic

#3F2D9D #9D3F2D #2D9D3F

tetradic

#3F2D9D #9D2D53 #8B9D2D #2D9D77

square

#3F2D9D #9D2D53 #8B9D2D #2D9D77

split-complementary

#3F2D9D #9D772D #539D2D

monochromatic

#19123E #2C1F6D #3F2D9D #553FC8 #7F6FD6

Accessibility & contrast

On white

10.13

#3F2D9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#3F2D9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F2D9D

10.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F2D9D	#FFFFFF	#000000	##FFFFFF
##3F2D9D	1.00	10.13	2.07	10.13
#FFFFFF	10.13	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A0

Deuteranopia (green-blind)

#003E9B

Tritanopia (blue-blind)

#004B62

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3f2d9d;
/* rgb */ color: rgb(63, 45, 157);
/* oklch */ color: oklch(39.4% 0.172 282.5);

Tailwind

colors: {
  custom: {
    50: '#7f68bb',
    500: '#3f2d9d',
    950: '#000000',
  },
}

SCSS

$custom: #3f2d9d;
$custom-light: #7f68bb;
$custom-dark: #000000;

JSON

{
  "hex": "#3f2d9d",
  "rgb": {
    "r": 63,
    "g": 45,
    "b": 157
  },
  "hsl": {
    "h": 249.643,
    "s": 55.446,
    "l": 39.608
  },
  "oklch": {
    "l": 0.39448,
    "c": 0.17156,
    "h": 282.5
  },
  "luminance": 0.05368
}

Semantic roles & 50–950 ramp

primary

#3F2D9D

secondary

#AFBD69

accent

#DF49C7

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #3F2D9D

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

Preview Lab → · Contrast checker → · Palette generator →