#3F2FC1#3F2FC1

#3F2FC1 is a dark, highly saturated blue. Relative luminance 0.069; OKLCH L 43.3% C 0.213 H 277.6°. Best body text is #FFFFFF at 8.79:1 contrast (WCAG AA passes).

Color values

HEX	#3F2FC1
RGB	rgb(63, 47, 193)
HSL	hsl(247, 61%, 47%)
HSV	hsv(247, 76%, 76%)
CMYK	cmyk(67.4%, 75.6%, 0%, 24.3%)
CIE-LAB	lab(31.67, 50.08, -73.25)
CIE-LCH	lch(31.67, 88.73, 304.36°)
OKLab	oklab(43.28% 0.0281 -0.2116)
OKLCH	oklch(43.28% 0.213 277.6)
XYZ	xyz(12.6889, 6.9389, 51.1124)
Luminance	0.0694 (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

#3F2FC1 #B1C12F

analogous

#2F68C1 #3F2FC1 #882FC1

triadic

#3F2FC1 #C13F2F #2FC13F

tetradic

#3F2FC1 #C12F68 #B1C12F #2FC188

square

#3F2FC1 #C12F68 #B1C12F #2FC188

split-complementary

#3F2FC1 #C1882F #68C12F

monochromatic

#1F175F #2F2390 #3F2FC1 #6557D6 #9288E2

Accessibility & contrast

On white

8.79

#3F2FC1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#3F2FC1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F2FC1

8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F2FC1	#FFFFFF	#000000	##FFFFFF
##3F2FC1	1.00	8.79	2.39	8.79
#FFFFFF	8.79	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050C5

Deuteranopia (green-blind)

#0044BE

Tritanopia (blue-blind)

#005A76

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3f2fc1;
/* rgb */ color: rgb(63, 47, 193);
/* oklch */ color: oklch(43.3% 0.213 277.6);

Tailwind

colors: {
  custom: {
    50: '#866bd5',
    500: '#3f2fc1',
    950: '#000000',
  },
}

SCSS

$custom: #3f2fc1;
$custom-light: #866bd5;
$custom-dark: #000000;

JSON

{
  "hex": "#3f2fc1",
  "rgb": {
    "r": 63,
    "g": 47,
    "b": 193
  },
  "hsl": {
    "h": 246.575,
    "s": 60.833,
    "l": 47.059
  },
  "oklch": {
    "l": 0.43282,
    "c": 0.21348,
    "h": 277.6
  },
  "luminance": 0.0694
}

Semantic roles & 50–950 ramp

primary

#3F2FC1

secondary

#C4CC80

accent

#E444D2

background

#F9F6FD

surface

#F1EBFA

border

#CBC6D3

text

#0D0714

muted

#7E7A83

Preview Lab

Preview with #3F2FC1

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

Preview Lab → · Contrast checker → · Palette generator →