#3F3ACB#3F3ACB

#3F3ACB is a mid, highly saturated blue. Relative luminance 0.084; OKLCH L 45.8% C 0.215 H 275.3°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#3F3ACB
RGB	rgb(63, 58, 203)
HSL	hsl(242, 58%, 51%)
HSV	hsv(242, 71%, 80%)
CMYK	cmyk(69%, 71.4%, 0%, 20.4%)
CIE-LAB	lab(34.79, 47.25, -73.95)
CIE-LCH	lch(34.79, 87.76, 302.58°)
OKLab	oklab(45.79% 0.0199 -0.2137)
OKLCH	oklch(45.79% 0.215 275.3)
XYZ	xyz(14.3389, 8.3933, 57.3528)
Luminance	0.0839 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F3ACB #C6CB3A

analogous

#3A7DCB #3F3ACB #873ACB

triadic

#3F3ACB #CB3F3A #3ACB3F

tetradic

#3F3ACB #CB3A7D #C6CB3A #3ACB87

square

#3F3ACB #CB3A7D #C6CB3A #3ACB87

split-complementary

#3F3ACB #CB873A #7DCB3A

monochromatic

#201D6E #2E2A9E #3F3ACB #6E6AD8 #9D9BE5

Accessibility & contrast

On white

7.84

#3F3ACB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#3F3ACB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3ACB

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3ACB	#FFFFFF	#000000	##FFFFFF
##3F3ACB	1.00	7.84	2.68	7.84
#FFFFFF	7.84	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058CF

Deuteranopia (green-blind)

#004BC8

Tritanopia (blue-blind)

#00637F

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3f3acb;
/* rgb */ color: rgb(63, 58, 203);
/* oklch */ color: oklch(45.8% 0.215 275.3);

Tailwind

colors: {
  custom: {
    50: '#8772dc',
    500: '#3f3acb',
    950: '#000000',
  },
}

SCSS

$custom: #3f3acb;
$custom-light: #8772dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3acb",
  "rgb": {
    "r": 63,
    "g": 58,
    "b": 203
  },
  "hsl": {
    "h": 242.069,
    "s": 58.233,
    "l": 51.176
  },
  "oklch": {
    "l": 0.45792,
    "c": 0.21467,
    "h": 275.3
  },
  "luminance": 0.08395
}

Semantic roles & 50–950 ramp

primary

#3F3ACB

secondary

#CED090

accent

#E146DC

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #3F3ACB

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

Preview Lab → · Contrast checker → · Palette generator →