#3F3EA3#3F3EA3

#3F3EA3 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.8% C 0.159 H 277.8°. Best body text is #FFFFFF at 8.64:1 contrast (WCAG AA passes).

Color values

HEX	#3F3EA3
RGB	rgb(63, 62, 163)
HSL	hsl(241, 45%, 44%)
HSV	hsv(241, 62%, 64%)
CMYK	cmyk(61.3%, 62%, 0%, 36.1%)
CIE-LAB	lab(32.14, 31.52, -54.63)
CIE-LCH	lch(32.14, 63.07, 299.99°)
OKLab	oklab(42.78% 0.0214 -0.1571)
OKLCH	oklch(42.78% 0.159 277.8)
XYZ	xyz(10.3813, 7.1456, 35.4754)
Luminance	0.0715 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.01

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F3EA3 #A2A33E

analogous

#3E70A3 #3F3EA3 #723EA3

triadic

#3F3EA3 #A33F3E #3EA33F

tetradic

#3F3EA3 #A33E70 #A2A33E #3EA372

square

#3F3EA3 #A33E70 #A2A33E #3EA372

split-complementary

#3F3EA3 #A3723E #70A33E

monochromatic

#1D1C4A #2E2D77 #3F3EA3 #5E5DC1 #8A89D2

Accessibility & contrast

On white

8.64

#3F3EA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#3F3EA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3EA3

8.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3EA3	#FFFFFF	#000000	##FFFFFF
##3F3EA3	1.00	8.64	2.43	8.64
#FFFFFF	8.64	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A6

Deuteranopia (green-blind)

#0047A1

Tritanopia (blue-blind)

#00576A

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3f3ea3;
/* rgb */ color: rgb(63, 62, 163);
/* oklch */ color: oklch(42.8% 0.159 277.8);

Tailwind

colors: {
  custom: {
    50: '#7f73bf',
    500: '#3f3ea3',
    950: '#000000',
  },
}

SCSS

$custom: #3f3ea3;
$custom-light: #7f73bf;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3ea3",
  "rgb": {
    "r": 63,
    "g": 62,
    "b": 163
  },
  "hsl": {
    "h": 240.594,
    "s": 44.889,
    "l": 44.118
  },
  "oklch": {
    "l": 0.42784,
    "c": 0.15859,
    "h": 277.8
  },
  "luminance": 0.07146
}

Semantic roles & 50–950 ramp

primary

#3F3EA3

secondary

#BCBD80

accent

#D553D3

background

#F8F7FB

surface

#EFEDF7

border

#CAC8D0

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #3F3EA3

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

Preview Lab → · Contrast checker → · Palette generator →