#3F3ABC#3F3ABC

#3F3ABC is a dark, vivid blue. Relative luminance 0.077; OKLCH L 44.4% C 0.196 H 276.5°. Best body text is #FFFFFF at 8.26:1 contrast (WCAG AA passes).

Color values

HEX	#3F3ABC
RGB	rgb(63, 58, 188)
HSL	hsl(242, 53%, 48%)
HSV	hsv(242, 69%, 74%)
CMYK	cmyk(66.5%, 69.1%, 0%, 26.3%)
CIE-LAB	lab(33.38, 42.36, -67.49)
CIE-LCH	lch(33.38, 79.69, 302.12°)
OKLab	oklab(44.35% 0.0222 -0.1949)
OKLCH	oklch(44.35% 0.196 276.5)
XYZ	xyz(12.6371, 7.7126, 48.3899)
Luminance	0.0771 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.97

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F3ABC #B7BC3A

analogous

#3A76BC #3F3ABC #803ABC

triadic

#3F3ABC #BC3F3A #3ABC3F

tetradic

#3F3ABC #BC3A76 #B7BC3A #3ABC80

square

#3F3ABC #BC3A76 #B7BC3A #3ABC80

split-complementary

#3F3ABC #BC803A #76BC3A

monochromatic

#201D5E #2F2C8D #3F3ABC #6864CF #9693DE

Accessibility & contrast

On white

8.26

#3F3ABC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#3F3ABC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3ABC

8.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3ABC	#FFFFFF	#000000	##FFFFFF
##3F3ABC	1.00	8.26	2.54	8.26
#FFFFFF	8.26	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C0

Deuteranopia (green-blind)

#0049BA

Tritanopia (blue-blind)

#005D76

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3f3abc;
/* rgb */ color: rgb(63, 58, 188);
/* oklch */ color: oklch(44.4% 0.196 276.5);

Tailwind

colors: {
  custom: {
    50: '#8471d1',
    500: '#3f3abc',
    950: '#000000',
  },
}

SCSS

$custom: #3f3abc;
$custom-light: #8471d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3abc",
  "rgb": {
    "r": 63,
    "g": 58,
    "b": 188
  },
  "hsl": {
    "h": 242.308,
    "s": 52.846,
    "l": 48.235
  },
  "oklch": {
    "l": 0.44352,
    "c": 0.19613,
    "h": 276.5
  },
  "luminance": 0.07714
}

Semantic roles & 50–950 ramp

primary

#3F3ABC

secondary

#C6C989

accent

#DC4CD7

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3F3ABC

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

Preview Lab → · Contrast checker → · Palette generator →