#3F44CF#3F44CF

#3F44CF is a mid, highly saturated blue. Relative luminance 0.097; OKLCH L 47.7% C 0.209 H 273.6°. Best body text is #FFFFFF at 7.14:1 contrast (WCAG AA passes).

Color values

HEX	#3F44CF
RGB	rgb(63, 68, 207)
HSL	hsl(238, 60%, 53%)
HSV	hsv(238, 70%, 81%)
CMYK	cmyk(69.6%, 67.1%, 0%, 18.8%)
CIE-LAB	lab(37.29, 42.75, -72.17)
CIE-LCH	lch(37.29, 83.88, 300.64°)
OKLab	oklab(47.7% 0.0132 -0.2085)
OKLCH	oklch(47.7% 0.209 273.6)
XYZ	xyz(15.3757, 9.6945, 60.0803)
Luminance	0.0970 (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

#3F44CF #CFCA3F

analogous

#3F8CCF #3F44CF #823FCF

triadic

#3F44CF #CF3F44 #44CF3F

tetradic

#3F44CF #CF3F8C #CFCA3F #3FCF82

square

#3F44CF #CF3F8C #CFCA3F #3FCF82

split-complementary

#3F44CF #CF823F #8CCF3F

monochromatic

#1E2176 #2A2EA7 #3F44CF #7074DB #A1A3E7

Accessibility & contrast

On white

7.14

#3F44CF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#3F44CF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F44CF

7.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F44CF	#FFFFFF	#000000	##FFFFFF
##3F44CF	1.00	7.14	2.94	7.14
#FFFFFF	7.14	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ED3

Deuteranopia (green-blind)

#0051CC

Tritanopia (blue-blind)

#006984

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #3f44cf;
/* rgb */ color: rgb(63, 68, 207);
/* oklch */ color: oklch(47.7% 0.209 273.6);

Tailwind

colors: {
  custom: {
    50: '#8778df',
    500: '#3f44cf',
    950: '#000000',
  },
}

SCSS

$custom: #3f44cf;
$custom-light: #8778df;
$custom-dark: #000000;

JSON

{
  "hex": "#3f44cf",
  "rgb": {
    "r": 63,
    "g": 68,
    "b": 207
  },
  "hsl": {
    "h": 237.917,
    "s": 60,
    "l": 52.941
  },
  "oklch": {
    "l": 0.47702,
    "c": 0.20895,
    "h": 273.6
  },
  "luminance": 0.09696
}

Semantic roles & 50–950 ramp

primary

#3F44CF

secondary

#D4D296

accent

#DE45E3

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #3F44CF

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

Preview Lab → · Contrast checker → · Palette generator →