#3F3CA2#3F3CA2

#3F3CA2 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.3% C 0.160 H 278.4°. Best body text is #FFFFFF at 8.83:1 contrast (WCAG AA passes).

Color values

HEX	#3F3CA2
RGB	rgb(63, 60, 162)
HSL	hsl(242, 46%, 44%)
HSV	hsv(242, 63%, 64%)
CMYK	cmyk(61.1%, 63%, 0%, 36.5%)
CIE-LAB	lab(31.57, 32.45, -54.95)
CIE-LCH	lch(31.57, 63.81, 300.56°)
OKLab	oklab(42.34% 0.0234 -0.1581)
OKLCH	oklch(42.34% 0.16 278.4)
XYZ	xyz(10.1853, 6.8964, 34.9698)
Luminance	0.0690 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.03

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F3CA2 #9FA23C

analogous

#3C6CA2 #3F3CA2 #723CA2

triadic

#3F3CA2 #A23F3C #3CA23F

tetradic

#3F3CA2 #A23C6C #9FA23C #3CA272

square

#3F3CA2 #A23C6C #9FA23C #3CA272

split-complementary

#3F3CA2 #A2723C #6CA23C

monochromatic

#1C1B49 #2E2B75 #3F3CA2 #5D59C2 #8886D2

Accessibility & contrast

On white

8.83

#3F3CA2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#3F3CA2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3CA2

8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3CA2	#FFFFFF	#000000	##FFFFFF
##3F3CA2	1.00	8.83	2.38	8.83
#FFFFFF	8.83	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA5

Deuteranopia (green-blind)

#0046A0

Tritanopia (blue-blind)

#005569

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3f3ca2;
/* rgb */ color: rgb(63, 60, 162);
/* oklch */ color: oklch(42.3% 0.160 278.4);

Tailwind

colors: {
  custom: {
    50: '#7f72be',
    500: '#3f3ca2',
    950: '#000000',
  },
}

SCSS

$custom: #3f3ca2;
$custom-light: #7f72be;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3ca2",
  "rgb": {
    "r": 63,
    "g": 60,
    "b": 162
  },
  "hsl": {
    "h": 241.765,
    "s": 45.946,
    "l": 43.529
  },
  "oklch": {
    "l": 0.42343,
    "c": 0.15981,
    "h": 278.4
  },
  "luminance": 0.06897
}

Semantic roles & 50–950 ramp

primary

#3F3CA2

secondary

#BBBC7D

accent

#D652D2

background

#F8F6FB

surface

#EFECF7

border

#CAC7D0

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #3F3CA2

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

Preview Lab → · Contrast checker → · Palette generator →