#3F2FBA#3F2FBA

#3F2FBA is a dark, highly saturated blue. Relative luminance 0.066; OKLCH L 42.6% C 0.205 H 278.3°. Best body text is #FFFFFF at 9.02:1 contrast (WCAG AA passes).

Color values

HEX	#3F2FBA
RGB	rgb(63, 47, 186)
HSL	hsl(247, 60%, 46%)
HSV	hsv(247, 75%, 73%)
CMYK	cmyk(66.1%, 74.7%, 0%, 27.1%)
CIE-LAB	lab(30.96, 47.91, -70.29)
CIE-LCH	lch(30.96, 85.07, 304.28°)
OKLab	oklab(42.57% 0.0297 -0.203)
OKLCH	oklch(42.57% 0.205 278.3)
XYZ	xyz(11.9265, 6.6340, 47.0968)
Luminance	0.0664 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F2FBA #AABA2F

analogous

#2F65BA #3F2FBA #842FBA

triadic

#3F2FBA #BA3F2F #2FBA3F

tetradic

#3F2FBA #BA2F65 #AABA2F #2FBA84

square

#3F2FBA #BA2F65 #AABA2F #2FBA84

split-complementary

#3F2FBA #BA842F #65BA2F

monochromatic

#1E1658 #2E2389 #3F2FBA #6253D3 #8E84E0

Accessibility & contrast

On white

9.02

#3F2FBA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#3F2FBA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F2FBA

9.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F2FBA	#FFFFFF	#000000	##FFFFFF
##3F2FBA	1.00	9.02	2.33	9.02
#FFFFFF	9.02	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EBE

Deuteranopia (green-blind)

#0043B7

Tritanopia (blue-blind)

#005772

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3f2fba;
/* rgb */ color: rgb(63, 47, 186);
/* oklch */ color: oklch(42.6% 0.205 278.3);

Tailwind

colors: {
  custom: {
    50: '#856ad0',
    500: '#3f2fba',
    950: '#000000',
  },
}

SCSS

$custom: #3f2fba;
$custom-light: #856ad0;
$custom-dark: #000000;

JSON

{
  "hex": "#3f2fba",
  "rgb": {
    "r": 63,
    "g": 47,
    "b": 186
  },
  "hsl": {
    "h": 246.906,
    "s": 59.657,
    "l": 45.686
  },
  "oklch": {
    "l": 0.4257,
    "c": 0.20515,
    "h": 278.3
  },
  "luminance": 0.06635
}

Semantic roles & 50–950 ramp

primary

#3F2FBA

secondary

#C0C97C

accent

#E345D1

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3F2FBA

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

Preview Lab → · Contrast checker → · Palette generator →