#3F3CAA#3F3CAA

#3F3CAA is a dark, vivid blue. Relative luminance 0.072; OKLCH L 43.0% C 0.171 H 277.7°. Best body text is #FFFFFF at 8.61:1 contrast (WCAG AA passes).

Color values

HEX	#3F3CAA
RGB	rgb(63, 60, 170)
HSL	hsl(242, 48%, 45%)
HSV	hsv(242, 65%, 67%)
CMYK	cmyk(62.9%, 64.7%, 0%, 33.3%)
CIE-LAB	lab(32.24, 35.15, -58.67)
CIE-LCH	lch(32.24, 68.40, 300.93°)
OKLab	oklab(43.04% 0.0228 -0.169)
OKLCH	oklch(43.04% 0.171 277.7)
XYZ	xyz(10.9191, 7.1899, 38.8348)
Luminance	0.0719 (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

#3F3CAA #A7AA3C

analogous

#3C70AA #3F3CAA #763CAA

triadic

#3F3CAA #AA3F3C #3CAA3F

tetradic

#3F3CAA #AA3C70 #A7AA3C #3CAA76

square

#3F3CAA #AA3C70 #A7AA3C #3CAA76

split-complementary

#3F3CAA #AA763C #70AA3C

monochromatic

#1D1C50 #2E2C7D #3F3CAA #605DC6 #8D8BD6

Accessibility & contrast

On white

8.61

#3F3CAA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#3F3CAA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3CAA

8.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3CAA	#FFFFFF	#000000	##FFFFFF
##3F3CAA	1.00	8.61	2.44	8.61
#FFFFFF	8.61	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050AD

Deuteranopia (green-blind)

#0047A8

Tritanopia (blue-blind)

#00586D

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3f3caa;
/* rgb */ color: rgb(63, 60, 170);
/* oklch */ color: oklch(43.0% 0.171 277.7);

Tailwind

colors: {
  custom: {
    50: '#8072c4',
    500: '#3f3caa',
    950: '#000000',
  },
}

SCSS

$custom: #3f3caa;
$custom-light: #8072c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3caa",
  "rgb": {
    "r": 63,
    "g": 60,
    "b": 170
  },
  "hsl": {
    "h": 241.636,
    "s": 47.826,
    "l": 45.098
  },
  "oklch": {
    "l": 0.43036,
    "c": 0.17054,
    "h": 277.7
  },
  "luminance": 0.07191
}

Semantic roles & 50–950 ramp

primary

#3F3CAA

secondary

#BFC081

accent

#D750D4

background

#F8F6FC

surface

#EFECF8

border

#CAC7D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3F3CAA

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

Preview Lab → · Contrast checker → · Palette generator →