#3F44D5#3F44D5

#3F44D5 is a mid, highly saturated blue. Relative luminance 0.100; OKLCH L 48.3% C 0.216 H 273.3°. Best body text is #FFFFFF at 7.00:1 contrast (WCAG AA passes).

Color values

HEX	#3F44D5
RGB	rgb(63, 68, 213)
HSL	hsl(238, 64%, 54%)
HSV	hsv(238, 70%, 84%)
CMYK	cmyk(70.4%, 68.1%, 0%, 16.5%)
CIE-LAB	lab(37.83, 44.75, -74.74)
CIE-LCH	lch(37.83, 87.11, 300.91°)
OKLab	oklab(48.26% 0.0125 -0.216)
OKLCH	oklch(48.26% 0.216 273.3)
XYZ	xyz(16.1232, 9.9935, 64.0171)
Luminance	0.0999 (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

#3F44D5 #D5D03F

analogous

#3F8FD5 #3F44D5 #853FD5

triadic

#3F44D5 #D53F44 #44D53F

tetradic

#3F44D5 #D53F8F #D5D03F #3FD585

square

#3F44D5 #D53F8F #D5D03F #3FD585

split-complementary

#3F44D5 #D5853F #8FD53F

monochromatic

#1C1F7E #272BB0 #3F44D5 #7175E0 #A3A6EB

Accessibility & contrast

On white

7.00

#3F44D5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

3.00

#3F44D5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F44D5

7.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F44D5	#FFFFFF	#000000	##FFFFFF
##3F44D5	1.00	7.00	3.00	7.00
#FFFFFF	7.00	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	7.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060D9

Deuteranopia (green-blind)

#0052D2

Tritanopia (blue-blind)

#006B87

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #3f44d5;
/* rgb */ color: rgb(63, 68, 213);
/* oklch */ color: oklch(48.3% 0.216 273.3);

Tailwind

colors: {
  custom: {
    50: '#8879e3',
    500: '#3f44d5',
    950: '#000000',
  },
}

SCSS

$custom: #3f44d5;
$custom-light: #8879e3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f44d5",
  "rgb": {
    "r": 63,
    "g": 68,
    "b": 213
  },
  "hsl": {
    "h": 238,
    "s": 64.103,
    "l": 54.118
  },
  "oklch": {
    "l": 0.4826,
    "c": 0.21641,
    "h": 273.3
  },
  "luminance": 0.09995
}

Semantic roles & 50–950 ramp

primary

#3F44D5

secondary

#D8D698

accent

#E241E7

background

#F9F7FE

surface

#F1EDFC

border

#CBC8D5

text

#0D0916

muted

#7E7B84

Preview Lab

Preview with #3F44D5

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

Preview Lab → · Contrast checker → · Palette generator →