#3F2D9E#3F2D9E

#3F2D9E is a dark, vivid blue. Relative luminance 0.054; OKLCH L 39.5% C 0.173 H 282.3°. Best body text is #FFFFFF at 10.09:1 contrast (WCAG AA passes).

Color values

HEX	#3F2D9E
RGB	rgb(63, 45, 158)
HSL	hsl(250, 56%, 40%)
HSV	hsv(250, 72%, 62%)
CMYK	cmyk(60.1%, 71.5%, 0%, 38%)
CIE-LAB	lab(27.85, 40.22, -58.61)
CIE-LCH	lch(27.85, 71.08, 304.46°)
OKLab	oklab(39.54% 0.0369 -0.1688)
OKLCH	oklch(39.54% 0.173 282.3)
XYZ	xyz(9.1579, 5.4015, 32.9011)
Luminance	0.0540 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F2D9E #8C9E2D

analogous

#2D539E #3F2D9E #782D9E

triadic

#3F2D9E #9E3F2D #2D9E3F

tetradic

#3F2D9E #9E2D53 #8C9E2D #2D9E78

square

#3F2D9E #9E2D53 #8C9E2D #2D9E78

split-complementary

#3F2D9E #9E782D #539E2D

monochromatic

#19123F #2C1F6E #3F2D9E #5540C9 #806FD6

Accessibility & contrast

On white

10.09

#3F2D9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#3F2D9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F2D9E

10.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F2D9E	#FFFFFF	#000000	##FFFFFF
##3F2D9E	1.00	10.09	2.08	10.09
#FFFFFF	10.09	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A1

Deuteranopia (green-blind)

#003E9C

Tritanopia (blue-blind)

#004B62

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3f2d9e;
/* rgb */ color: rgb(63, 45, 158);
/* oklch */ color: oklch(39.5% 0.173 282.3);

Tailwind

colors: {
  custom: {
    50: '#7f68bc',
    500: '#3f2d9e',
    950: '#000000',
  },
}

SCSS

$custom: #3f2d9e;
$custom-light: #7f68bc;
$custom-dark: #000000;

JSON

{
  "hex": "#3f2d9e",
  "rgb": {
    "r": 63,
    "g": 45,
    "b": 158
  },
  "hsl": {
    "h": 249.558,
    "s": 55.665,
    "l": 39.804
  },
  "oklch": {
    "l": 0.39543,
    "c": 0.17283,
    "h": 282.3
  },
  "luminance": 0.05402
}

Semantic roles & 50–950 ramp

primary

#3F2D9E

secondary

#B0BD69

accent

#DF49C7

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #3F2D9E

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

Preview Lab → · Contrast checker → · Palette generator →