#3F3B95#3F3B95

#3F3B95 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.1% C 0.143 H 280.0°. Best body text is #FFFFFF at 9.25:1 contrast (WCAG AA passes).

Color values

HEX	#3F3B95
RGB	rgb(63, 59, 149)
HSL	hsl(243, 43%, 41%)
HSV	hsv(243, 60%, 58%)
CMYK	cmyk(57.7%, 60.4%, 0%, 41.6%)
CIE-LAB	lab(30.29, 28.69, -49.13)
CIE-LCH	lch(30.29, 56.90, 300.28°)
OKLab	oklab(41.08% 0.0249 -0.141)
OKLCH	oklch(41.08% 0.143 280)
XYZ	xyz(9.0370, 6.3540, 29.1782)
Luminance	0.0635 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 7.83

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F3B95 #91953B

analogous

#3B6495 #3F3B95 #6C3B95

triadic

#3F3B95 #953F3B #3B953F

tetradic

#3F3B95 #953B64 #91953B #3B956C

square

#3F3B95 #953B64 #91953B #3B956C

split-complementary

#3F3B95 #956C3B #64953B

monochromatic

#1A183D #2C2A69 #3F3B95 #5753BB #827ECC

Accessibility & contrast

On white

9.25

#3F3B95 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#3F3B95 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3B95

9.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3B95	#FFFFFF	#000000	##FFFFFF
##3F3B95	1.00	9.25	2.27	9.25
#FFFFFF	9.25	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B98

Deuteranopia (green-blind)

#004493

Tritanopia (blue-blind)

#105062

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3f3b95;
/* rgb */ color: rgb(63, 59, 149);
/* oklch */ color: oklch(41.1% 0.143 280.0);

Tailwind

colors: {
  custom: {
    50: '#7c71b5',
    500: '#3f3b95',
    950: '#000000',
  },
}

SCSS

$custom: #3f3b95;
$custom-light: #7c71b5;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3b95",
  "rgb": {
    "r": 63,
    "g": 59,
    "b": 149
  },
  "hsl": {
    "h": 242.667,
    "s": 43.269,
    "l": 40.784
  },
  "oklch": {
    "l": 0.41076,
    "c": 0.14319,
    "h": 280
  },
  "luminance": 0.06355
}

Semantic roles & 50–950 ramp

primary

#3F3B95

secondary

#B3B676

accent

#D355CD

background

#F8F6FB

surface

#EFECF6

border

#CAC7D0

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #3F3B95

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

Preview Lab → · Contrast checker → · Palette generator →