#3F2DA3#3F2DA3

#3F2DA3 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 40.0% C 0.179 H 281.6°. Best body text is #FFFFFF at 9.93:1 contrast (WCAG AA passes).

Color values

HEX	#3F2DA3
RGB	rgb(63, 45, 163)
HSL	hsl(249, 57%, 41%)
HSV	hsv(249, 72%, 64%)
CMYK	cmyk(61.3%, 72.4%, 0%, 36.1%)
CIE-LAB	lab(28.32, 41.80, -60.87)
CIE-LCH	lch(28.32, 73.84, 304.48°)
OKLab	oklab(40.02% 0.0359 -0.1755)
OKLCH	oklch(40.02% 0.179 281.6)
XYZ	xyz(9.5971, 5.5772, 35.2140)
Luminance	0.0558 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.65

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F2DA3 #91A32D

analogous

#2D56A3 #3F2DA3 #7A2DA3

triadic

#3F2DA3 #A33F2D #2DA33F

tetradic

#3F2DA3 #A32D56 #91A32D #2DA37A

square

#3F2DA3 #A32D56 #91A32D #2DA37A

split-complementary

#3F2DA3 #A37A2D #56A32D

monochromatic

#1A1343 #2C2073 #3F2DA3 #5742CB #8272D8

Accessibility & contrast

On white

9.93

#3F2DA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#3F2DA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F2DA3

9.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F2DA3	#FFFFFF	#000000	##FFFFFF
##3F2DA3	1.00	9.93	2.12	9.93
#FFFFFF	9.93	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047A6

Deuteranopia (green-blind)

#003EA1

Tritanopia (blue-blind)

#004D65

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3f2da3;
/* rgb */ color: rgb(63, 45, 163);
/* oklch */ color: oklch(40.0% 0.179 281.6);

Tailwind

colors: {
  custom: {
    50: '#8068bf',
    500: '#3f2da3',
    950: '#000000',
  },
}

SCSS

$custom: #3f2da3;
$custom-light: #8068bf;
$custom-dark: #000000;

JSON

{
  "hex": "#3f2da3",
  "rgb": {
    "r": 63,
    "g": 45,
    "b": 163
  },
  "hsl": {
    "h": 249.153,
    "s": 56.731,
    "l": 40.784
  },
  "oklch": {
    "l": 0.40021,
    "c": 0.17911,
    "h": 281.6
  },
  "luminance": 0.05578
}

Semantic roles & 50–950 ramp

primary

#3F2DA3

secondary

#B3C06C

accent

#E048C9

background

#F8F6FB

surface

#F0EBF7

border

#CBC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #3F2DA3

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

Preview Lab → · Contrast checker → · Palette generator →