#3F3EE3#3F3EE3

#3F3EE3 is a mid, highly saturated blue. Relative luminance 0.100; OKLCH L 48.7% C 0.239 H 273.3°. Best body text is #FFFFFF at 6.98:1 contrast (WCAG AA passes).

Color values

HEX	#3F3EE3
RGB	rgb(63, 62, 227)
HSL	hsl(240, 75%, 57%)
HSV	hsv(240, 73%, 89%)
CMYK	cmyk(72.2%, 72.7%, 0%, 11%)
CIE-LAB	lab(37.93, 52.73, -82.60)
CIE-LCH	lch(37.93, 98.00, 302.55°)
OKLab	oklab(48.73% 0.0137 -0.239)
OKLCH	oklch(48.73% 0.239 273.3)
XYZ	xyz(17.6330, 10.0463, 73.6680)
Luminance	0.1005 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F3EE3 #E2E33E

analogous

#3E8FE3 #3F3EE3 #923EE3

triadic

#3F3EE3 #E33F3E #3EE33F

tetradic

#3F3EE3 #E33E8F #E2E33E #3EE392

square

#3F3EE3 #E33E8F #E2E33E #3EE392

split-complementary

#3F3EE3 #E3923E #8FE33E

monochromatic

#161591 #1E1DC7 #3F3EE3 #7473EB #A9A9F3

Accessibility & contrast

On white

6.98

#3F3EE3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#3F3EE3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F3EE3

6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3EE3	#FFFFFF	#000000	##FFFFFF
##3F3EE3	1.00	6.98	3.01	6.98
#FFFFFF	6.98	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061E8

Deuteranopia (green-blind)

#0051E0

Tritanopia (blue-blind)

#006D8D

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #3f3ee3;
/* rgb */ color: rgb(63, 62, 227);
/* oklch */ color: oklch(48.7% 0.239 273.3);

Tailwind

colors: {
  custom: {
    50: '#8c75ed',
    500: '#3f3ee3',
    950: '#000000',
  },
}

SCSS

$custom: #3f3ee3;
$custom-light: #8c75ed;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3ee3",
  "rgb": {
    "r": 63,
    "g": 62,
    "b": 227
  },
  "hsl": {
    "h": 240.364,
    "s": 74.661,
    "l": 56.667
  },
  "oklch": {
    "l": 0.48728,
    "c": 0.23937,
    "h": 273.3
  },
  "luminance": 0.10048
}

Semantic roles & 50–950 ramp

primary

#3F3EE3

secondary

#E0E09D

accent

#F137F0

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0817

muted

#7E7B85

Preview Lab

Preview with #3F3EE3

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

Preview Lab → · Contrast checker → · Palette generator →