#3F3EA5#3F3EA5

#3F3EA5 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 43.0% C 0.161 H 277.6°. Best body text is #FFFFFF at 8.59:1 contrast (WCAG AA passes).

Color values

HEX	#3F3EA5
RGB	rgb(63, 62, 165)
HSL	hsl(241, 45%, 45%)
HSV	hsv(241, 62%, 65%)
CMYK	cmyk(61.8%, 62.4%, 0%, 35.3%)
CIE-LAB	lab(32.30, 32.20, -55.57)
CIE-LCH	lch(32.30, 64.23, 300.09°)
OKLab	oklab(42.95% 0.0213 -0.1599)
OKLCH	oklch(42.95% 0.161 277.6)
XYZ	xyz(10.5619, 7.2178, 36.4266)
Luminance	0.0722 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.75

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F3EA5 #A4A53E

analogous

#3E70A5 #3F3EA5 #733EA5

triadic

#3F3EA5 #A53F3E #3EA53F

tetradic

#3F3EA5 #A53E70 #A4A53E #3EA573

square

#3F3EA5 #A53E70 #A4A53E #3EA573

split-complementary

#3F3EA5 #A5733E #70A53E

monochromatic

#1D1D4C #2E2D79 #3F3EA5 #5F5EC2 #8B8AD3

Accessibility & contrast

On white

8.59

#3F3EA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#3F3EA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3EA5

8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3EA5	#FFFFFF	#000000	##FFFFFF
##3F3EA5	1.00	8.59	2.44	8.59
#FFFFFF	8.59	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A8

Deuteranopia (green-blind)

#0048A3

Tritanopia (blue-blind)

#00586B

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3f3ea5;
/* rgb */ color: rgb(63, 62, 165);
/* oklch */ color: oklch(43.0% 0.161 277.6);

Tailwind

colors: {
  custom: {
    50: '#7f73c1',
    500: '#3f3ea5',
    950: '#000000',
  },
}

SCSS

$custom: #3f3ea5;
$custom-light: #7f73c1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3ea5",
  "rgb": {
    "r": 63,
    "g": 62,
    "b": 165
  },
  "hsl": {
    "h": 240.583,
    "s": 45.374,
    "l": 44.51
  },
  "oklch": {
    "l": 0.42953,
    "c": 0.16132,
    "h": 277.6
  },
  "luminance": 0.07219
}

Semantic roles & 50–950 ramp

primary

#3F3EA5

secondary

#BDBE81

accent

#D553D4

background

#F8F7FB

surface

#EFEDF7

border

#CAC8D0

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #3F3EA5

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

Preview Lab → · Contrast checker → · Palette generator →