#3F3DA3#3F3DA3

#3F3DA3 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.6% C 0.160 H 278.0°. Best body text is #FFFFFF at 8.72:1 contrast (WCAG AA passes).

Color values

HEX	#3F3DA3
RGB	rgb(63, 61, 163)
HSL	hsl(241, 46%, 44%)
HSV	hsv(241, 63%, 64%)
CMYK	cmyk(61.3%, 62.6%, 0%, 36.1%)
CIE-LAB	lab(31.89, 32.16, -55.02)
CIE-LCH	lch(31.89, 63.73, 300.30°)
OKLab	oklab(42.61% 0.0224 -0.1583)
OKLCH	oklch(42.61% 0.16 278)
XYZ	xyz(10.3274, 7.0378, 35.4574)
Luminance	0.0704 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.94

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F3DA3 #A1A33D

analogous

#3D6EA3 #3F3DA3 #723DA3

triadic

#3F3DA3 #A33F3D #3DA33F

tetradic

#3F3DA3 #A33D6E #A1A33D #3DA372

square

#3F3DA3 #A33D6E #A1A33D #3DA372

split-complementary

#3F3DA3 #A3723D #6EA33D

monochromatic

#1D1C4A #2E2C76 #3F3DA3 #5D5BC2 #8988D2

Accessibility & contrast

On white

8.72

#3F3DA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#3F3DA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3DA3

8.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3DA3	#FFFFFF	#000000	##FFFFFF
##3F3DA3	1.00	8.72	2.41	8.72
#FFFFFF	8.72	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA6

Deuteranopia (green-blind)

#0047A1

Tritanopia (blue-blind)

#00566A

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3f3da3;
/* rgb */ color: rgb(63, 61, 163);
/* oklch */ color: oklch(42.6% 0.160 278.0);

Tailwind

colors: {
  custom: {
    50: '#7f73bf',
    500: '#3f3da3',
    950: '#000000',
  },
}

SCSS

$custom: #3f3da3;
$custom-light: #7f73bf;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3da3",
  "rgb": {
    "r": 63,
    "g": 61,
    "b": 163
  },
  "hsl": {
    "h": 241.176,
    "s": 45.536,
    "l": 43.922
  },
  "oklch": {
    "l": 0.42605,
    "c": 0.15988,
    "h": 278
  },
  "luminance": 0.07039
}

Semantic roles & 50–950 ramp

primary

#3F3DA3

secondary

#BCBD7F

accent

#D553D3

background

#F8F6FB

surface

#EFECF7

border

#CAC7D0

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #3F3DA3

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

Preview Lab → · Contrast checker → · Palette generator →