#3F44FF#3F44FF

#3F44FF is a mid, highly saturated blue. Relative luminance 0.124; OKLCH L 52.3% C 0.266 H 271.4°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#3F44FF
RGB	rgb(63, 68, 255)
HSL	hsl(238, 100%, 62%)
HSV	hsv(238, 75%, 100%)
CMYK	cmyk(75.3%, 73.3%, 0%, 0%)
CIE-LAB	lab(41.86, 58.35, -91.90)
CIE-LCH	lch(41.86, 108.86, 302.41°)
OKLab	oklab(52.35% 0.0065 -0.2661)
OKLCH	oklch(52.35% 0.266 271.4)
XYZ	xyz(22.1609, 12.4086, 95.8155)
Luminance	0.1241 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F44FF #FFFA3F

analogous

#3FA4FF #3F44FF #9A3FFF

triadic

#3F44FF #FF3F44 #44FF3F

tetradic

#3F44FF #FF3FA4 #FFFA3F #3FFF9A

square

#3F44FF #FF3FA4 #FFFA3F #3FFF9A

split-complementary

#3F44FF #FF9A3F #A4FF3F

monochromatic

#0005C4 #0208FF #3F44FF #7C80FF #B9BBFF

Accessibility & contrast

On white

6.03

#3F44FF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#3F44FF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F44FF

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F44FF	#FFFFFF	#000000	##FFFFFF
##3F44FF	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CFF

Deuteranopia (green-blind)

#0059FC

Tritanopia (blue-blind)

#007B9E

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #3f44ff;
/* rgb */ color: rgb(63, 68, 255);
/* oklch */ color: oklch(52.3% 0.266 271.4);

Tailwind

colors: {
  custom: {
    50: '#917aff',
    500: '#3f44ff',
    950: '#000000',
  },
}

SCSS

$custom: #3f44ff;
$custom-light: #917aff;
$custom-dark: #000000;

JSON

{
  "hex": "#3f44ff",
  "rgb": {
    "r": 63,
    "g": 68,
    "b": 255
  },
  "hsl": {
    "h": 238.438,
    "s": 100,
    "l": 62.353
  },
  "oklch": {
    "l": 0.52349,
    "c": 0.26615,
    "h": 271.4
  },
  "luminance": 0.12411
}

Semantic roles & 50–950 ramp

primary

#3F44FF

secondary

#F0EEAA

accent

#E000E6

background

#FAF7FF

surface

#F4EEFF

border

#CEC9D7

text

#0F0918

muted

#7F7B86

Preview Lab

Preview with #3F44FF

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

Preview Lab → · Contrast checker → · Palette generator →