#3F2FA6#3F2FA6

#3F2FA6 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 40.6% C 0.181 H 280.8°. Best body text is #FFFFFF at 9.68:1 contrast (WCAG AA passes).

Color values

HEX	#3F2FA6
RGB	rgb(63, 47, 166)
HSL	hsl(248, 56%, 42%)
HSV	hsv(248, 72%, 65%)
CMYK	cmyk(62%, 71.7%, 0%, 34.9%)
CIE-LAB	lab(29.01, 41.61, -61.55)
CIE-LCH	lch(29.01, 74.30, 304.06°)
OKLab	oklab(40.6% 0.0338 -0.1775)
OKLCH	oklch(40.6% 0.181 280.8)
XYZ	xyz(9.9472, 5.8422, 36.6725)
Luminance	0.0584 (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

#3F2FA6 #96A62F

analogous

#2F5BA6 #3F2FA6 #7B2FA6

triadic

#3F2FA6 #A63F2F #2FA63F

tetradic

#3F2FA6 #A62F5B #96A62F #2FA67B

square

#3F2FA6 #A62F5B #96A62F #2FA67B

split-complementary

#3F2FA6 #A67B2F #5BA62F

monochromatic

#1B1447 #2D2176 #3F2FA6 #5947CB #8477D8

Accessibility & contrast

On white

9.68

#3F2FA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#3F2FA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F2FA6

9.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F2FA6	#FFFFFF	#000000	##FFFFFF
##3F2FA6	1.00	9.68	2.17	9.68
#FFFFFF	9.68	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049AA

Deuteranopia (green-blind)

#0040A4

Tritanopia (blue-blind)

#004F67

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #3f2fa6;
/* rgb */ color: rgb(63, 47, 166);
/* oklch */ color: oklch(40.6% 0.181 280.8);

Tailwind

colors: {
  custom: {
    50: '#8169c1',
    500: '#3f2fa6',
    950: '#000000',
  },
}

SCSS

$custom: #3f2fa6;
$custom-light: #8169c1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f2fa6",
  "rgb": {
    "r": 63,
    "g": 47,
    "b": 166
  },
  "hsl": {
    "h": 248.067,
    "s": 55.869,
    "l": 41.765
  },
  "oklch": {
    "l": 0.406,
    "c": 0.18065,
    "h": 280.8
  },
  "luminance": 0.05843
}

Semantic roles & 50–950 ramp

primary

#3F2FA6

secondary

#B6C170

accent

#DF49CB

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #3F2FA6

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

Preview Lab → · Contrast checker → · Palette generator →