#3F3BA2#3F3BA2

#3F3BA2 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.2% C 0.161 H 278.7°. Best body text is #FFFFFF at 8.90:1 contrast (WCAG AA passes).

Color values

HEX	#3F3BA2
RGB	rgb(63, 59, 162)
HSL	hsl(242, 47%, 43%)
HSV	hsv(242, 64%, 64%)
CMYK	cmyk(61.1%, 63.6%, 0%, 36.5%)
CIE-LAB	lab(31.33, 33.08, -55.34)
CIE-LCH	lch(31.33, 64.47, 300.87°)
OKLab	oklab(42.17% 0.0243 -0.1592)
OKLCH	oklch(42.17% 0.161 278.7)
XYZ	xyz(10.1334, 6.7926, 34.9525)
Luminance	0.0679 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.99

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F3BA2 #9EA23B

analogous

#3B6AA2 #3F3BA2 #723BA2

triadic

#3F3BA2 #A23F3B #3BA23F

tetradic

#3F3BA2 #A23B6A #9EA23B #3BA272

square

#3F3BA2 #A23B6A #9EA23B #3BA272

split-complementary

#3F3BA2 #A2723B #6AA23B

monochromatic

#1C1A48 #2E2B75 #3F3BA2 #5C58C2 #8885D3

Accessibility & contrast

On white

8.90

#3F3BA2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#3F3BA2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3BA2

8.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3BA2	#FFFFFF	#000000	##FFFFFF
##3F3BA2	1.00	8.90	2.36	8.90
#FFFFFF	8.90	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.90	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: #3f3ba2;
/* rgb */ color: rgb(63, 59, 162);
/* oklch */ color: oklch(42.2% 0.161 278.7);

Tailwind

colors: {
  custom: {
    50: '#7f71be',
    500: '#3f3ba2',
    950: '#000000',
  },
}

SCSS

$custom: #3f3ba2;
$custom-light: #7f71be;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3ba2",
  "rgb": {
    "r": 63,
    "g": 59,
    "b": 162
  },
  "hsl": {
    "h": 242.33,
    "s": 46.606,
    "l": 43.333
  },
  "oklch": {
    "l": 0.42167,
    "c": 0.16108,
    "h": 278.7
  },
  "luminance": 0.06793
}

Semantic roles & 50–950 ramp

primary

#3F3BA2

secondary

#BABD7C

accent

#D652D1

background

#F8F6FB

surface

#EFECF7

border

#CAC7D0

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #3F3BA2

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

Preview Lab → · Contrast checker → · Palette generator →