#3F4CEC#3F4CEC

#3F4CEC is a mid, highly saturated blue. Relative luminance 0.123; OKLCH L 51.7% C 0.236 H 271.3°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#3F4CEC
RGB	rgb(63, 76, 236)
HSL	hsl(235, 82%, 59%)
HSV	hsv(235, 73%, 93%)
CMYK	cmyk(73.3%, 67.8%, 0%, 7.5%)
CIE-LAB	lab(41.66, 47.73, -81.56)
CIE-LCH	lch(41.66, 94.50, 300.33°)
OKLab	oklab(51.66% 0.0055 -0.236)
OKLCH	oklch(51.66% 0.236 271.3)
XYZ	xyz(19.7695, 12.2797, 80.6689)
Luminance	0.1228 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4CEC #ECDF3F

analogous

#3FA3EC #3F4CEC #883FEC

triadic

#3F4CEC #EC3F4C #4CEC3F

tetradic

#3F4CEC #EC3FA3 #ECDF3F #3FEC88

square

#3F4CEC #EC3FA3 #ECDF3F #3FEC88

split-complementary

#3F4CEC #EC883F #A3EC3F

monochromatic

#101BA1 #1524D8 #3F4CEC #7780F2 #AEB4F7

Accessibility & contrast

On white

6.08

#3F4CEC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#3F4CEC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F4CEC

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4CEC	#FFFFFF	#000000	##FFFFFF
##3F4CEC	1.00	6.08	3.46	6.08
#FFFFFF	6.08	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BF1

Deuteranopia (green-blind)

#005AE9

Tritanopia (blue-blind)

#007896

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #3f4cec;
/* rgb */ color: rgb(63, 76, 236);
/* oklch */ color: oklch(51.7% 0.236 271.3);

Tailwind

colors: {
  custom: {
    50: '#8d7ff3',
    500: '#3f4cec',
    950: '#000000',
  },
}

SCSS

$custom: #3f4cec;
$custom-light: #8d7ff3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4cec",
  "rgb": {
    "r": 63,
    "g": 76,
    "b": 236
  },
  "hsl": {
    "h": 235.491,
    "s": 81.991,
    "l": 58.627
  },
  "oklch": {
    "l": 0.51662,
    "c": 0.23604,
    "h": 271.3
  },
  "luminance": 0.12282
}

Semantic roles & 50–950 ramp

primary

#3F4CEC

secondary

#E6E0A1

accent

#E92FF8

background

#F9F7FF

surface

#F2EEFE

border

#CCC9D6

text

#0E0A17

muted

#7E7C85

Preview Lab

Preview with #3F4CEC

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

Preview Lab → · Contrast checker → · Palette generator →