#3F3BC1#3F3BC1

#3F3BC1 is a dark, highly saturated blue. Relative luminance 0.080; OKLCH L 45.0% C 0.201 H 275.9°. Best body text is #FFFFFF at 8.06:1 contrast (WCAG AA passes).

Color values

HEX	#3F3BC1
RGB	rgb(63, 59, 193)
HSL	hsl(242, 53%, 49%)
HSV	hsv(242, 69%, 76%)
CMYK	cmyk(67.4%, 69.4%, 0%, 24.3%)
CIE-LAB	lab(34.05, 43.42, -69.32)
CIE-LCH	lch(34.05, 81.80, 302.06°)
OKLab	oklab(44.98% 0.0208 -0.2002)
OKLCH	oklch(44.98% 0.201 275.9)
XYZ	xyz(13.2363, 8.0338, 51.2949)
Luminance	0.0804 (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

#3F3BC1 #BDC13B

analogous

#3B7AC1 #3F3BC1 #823BC1

triadic

#3F3BC1 #C13F3B #3BC13F

tetradic

#3F3BC1 #C13B7A #BDC13B #3BC182

square

#3F3BC1 #C13B7A #BDC13B #3BC182

split-complementary

#3F3BC1 #C1823B #7AC13B

monochromatic

#201E63 #302D92 #3F3BC1 #6B68D1 #9997DF

Accessibility & contrast

On white

8.06

#3F3BC1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#3F3BC1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3BC1

8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3BC1	#FFFFFF	#000000	##FFFFFF
##3F3BC1	1.00	8.06	2.61	8.06
#FFFFFF	8.06	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056C5

Deuteranopia (green-blind)

#004ABF

Tritanopia (blue-blind)

#005F79

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3f3bc1;
/* rgb */ color: rgb(63, 59, 193);
/* oklch */ color: oklch(45.0% 0.201 275.9);

Tailwind

colors: {
  custom: {
    50: '#8572d5',
    500: '#3f3bc1',
    950: '#000000',
  },
}

SCSS

$custom: #3f3bc1;
$custom-light: #8572d5;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3bc1",
  "rgb": {
    "r": 63,
    "g": 59,
    "b": 193
  },
  "hsl": {
    "h": 241.791,
    "s": 53.175,
    "l": 49.412
  },
  "oklch": {
    "l": 0.44979,
    "c": 0.2013,
    "h": 275.9
  },
  "luminance": 0.08035
}

Semantic roles & 50–950 ramp

primary

#3F3BC1

secondary

#C9CB8D

accent

#DD4BD8

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3F3BC1

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

Preview Lab → · Contrast checker → · Palette generator →