#3F3FCF#3F3FCF

#3F3FCF is a mid, highly saturated blue. Relative luminance 0.091; OKLCH L 46.9% C 0.214 H 274.4°. Best body text is #FFFFFF at 7.44:1 contrast (WCAG AA passes).

Color values

HEX	#3F3FCF
RGB	rgb(63, 63, 207)
HSL	hsl(240, 60%, 53%)
HSV	hsv(240, 70%, 81%)
CMYK	cmyk(69.6%, 69.6%, 0%, 18.8%)
CIE-LAB	lab(36.21, 45.70, -73.94)
CIE-LCH	lch(36.21, 86.92, 301.71°)
OKLab	oklab(46.92% 0.0163 -0.2137)
OKLCH	oklch(46.92% 0.214 274.4)
XYZ	xyz(15.0862, 9.1153, 59.9838)
Luminance	0.0912 (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

#3F3FCF #CFCF3F

analogous

#3F87CF #3F3FCF #873FCF

triadic

#3F3FCF #CF3F3F #3FCF3F

tetradic

#3F3FCF #CF3F87 #CFCF3F #3FCF87

square

#3F3FCF #CF3F87 #CFCF3F #3FCF87

split-complementary

#3F3FCF #CF873F #87CF3F

monochromatic

#1E1E76 #2A2AA7 #3F3FCF #7070DB #A1A1E7

Accessibility & contrast

On white

7.44

#3F3FCF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#3F3FCF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3FCF

7.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3FCF	#FFFFFF	#000000	##FFFFFF
##3F3FCF	1.00	7.44	2.82	7.44
#FFFFFF	7.44	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CD3

Deuteranopia (green-blind)

#004ECC

Tritanopia (blue-blind)

#006782

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3f3fcf;
/* rgb */ color: rgb(63, 63, 207);
/* oklch */ color: oklch(46.9% 0.214 274.4);

Tailwind

colors: {
  custom: {
    50: '#8875df',
    500: '#3f3fcf',
    950: '#000000',
  },
}

SCSS

$custom: #3f3fcf;
$custom-light: #8875df;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3fcf",
  "rgb": {
    "r": 63,
    "g": 63,
    "b": 207
  },
  "hsl": {
    "h": 240,
    "s": 60,
    "l": 52.941
  },
  "oklch": {
    "l": 0.46921,
    "c": 0.21435,
    "h": 274.4
  },
  "luminance": 0.09117
}

Semantic roles & 50–950 ramp

primary

#3F3FCF

secondary

#D4D496

accent

#E345E3

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #3F3FCF

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

Preview Lab → · Contrast checker → · Palette generator →