#3F3ABA#3F3ABA

#3F3ABA is a dark, vivid blue. Relative luminance 0.076; OKLCH L 44.2% C 0.194 H 276.7°. Best body text is #FFFFFF at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#3F3ABA
RGB	rgb(63, 58, 186)
HSL	hsl(242, 52%, 48%)
HSV	hsv(242, 69%, 73%)
CMYK	cmyk(66.1%, 68.8%, 0%, 27.1%)
CIE-LAB	lab(33.19, 41.70, -66.61)
CIE-LCH	lch(33.19, 78.59, 302.05°)
OKLab	oklab(44.16% 0.0225 -0.1923)
OKLCH	oklch(44.16% 0.194 276.7)
XYZ	xyz(12.4230, 7.6270, 47.2623)
Luminance	0.0763 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.92

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F3ABA #B5BA3A

analogous

#3A75BA #3F3ABA #7F3ABA

triadic

#3F3ABA #BA3F3A #3ABA3F

tetradic

#3F3ABA #BA3A75 #B5BA3A #3ABA7F

square

#3F3ABA #BA3A75 #B5BA3A #3ABA7F

split-complementary

#3F3ABA #BA7F3A #75BA3A

monochromatic

#1F1D5D #2F2B8B #3F3ABA #6763CE #9492DD

Accessibility & contrast

On white

8.31

#3F3ABA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#3F3ABA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3ABA

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3ABA	#FFFFFF	#000000	##FFFFFF
##3F3ABA	1.00	8.31	2.53	8.31
#FFFFFF	8.31	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054BE

Deuteranopia (green-blind)

#0048B8

Tritanopia (blue-blind)

#005C75

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3f3aba;
/* rgb */ color: rgb(63, 58, 186);
/* oklch */ color: oklch(44.2% 0.194 276.7);

Tailwind

colors: {
  custom: {
    50: '#8471d0',
    500: '#3f3aba',
    950: '#000000',
  },
}

SCSS

$custom: #3f3aba;
$custom-light: #8471d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3aba",
  "rgb": {
    "r": 63,
    "g": 58,
    "b": 186
  },
  "hsl": {
    "h": 242.344,
    "s": 52.459,
    "l": 47.843
  },
  "oklch": {
    "l": 0.44164,
    "c": 0.19361,
    "h": 276.7
  },
  "luminance": 0.07628
}

Semantic roles & 50–950 ramp

primary

#3F3ABA

secondary

#C5C888

accent

#DC4CD6

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0814

muted

#7D7B82

Preview Lab

Preview with #3F3ABA

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

Preview Lab → · Contrast checker → · Palette generator →