#3F44CD#3F44CD

#3F44CD is a mid, highly saturated blue. Relative luminance 0.096; OKLCH L 47.5% C 0.206 H 273.7°. Best body text is #FFFFFF at 7.19:1 contrast (WCAG AA passes).

Color values

HEX	#3F44CD
RGB	rgb(63, 68, 205)
HSL	hsl(238, 59%, 53%)
HSV	hsv(238, 69%, 80%)
CMYK	cmyk(69.3%, 66.8%, 0%, 19.6%)
CIE-LAB	lab(37.11, 42.08, -71.30)
CIE-LCH	lch(37.11, 82.79, 300.55°)
OKLab	oklab(47.52% 0.0134 -0.206)
OKLCH	oklch(47.52% 0.206 273.7)
XYZ	xyz(15.1328, 9.5973, 58.8007)
Luminance	0.0960 (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

#3F44CD #CDC83F

analogous

#3F8BCD #3F44CD #813FCD

triadic

#3F44CD #CD3F44 #44CD3F

tetradic

#3F44CD #CD3F8B #CDC83F #3FCD81

square

#3F44CD #CD3F8B #CDC83F #3FCD81

split-complementary

#3F44CD #CD813F #8BCD3F

monochromatic

#1E2174 #2B2FA4 #3F44CD #7073DA #A0A3E6

Accessibility & contrast

On white

7.19

#3F44CD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#3F44CD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F44CD

7.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F44CD	#FFFFFF	#000000	##FFFFFF
##3F44CD	1.00	7.19	2.92	7.19
#FFFFFF	7.19	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ED1

Deuteranopia (green-blind)

#0051CA

Tritanopia (blue-blind)

#006983

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #3f44cd;
/* rgb */ color: rgb(63, 68, 205);
/* oklch */ color: oklch(47.5% 0.206 273.7);

Tailwind

colors: {
  custom: {
    50: '#8778dd',
    500: '#3f44cd',
    950: '#000000',
  },
}

SCSS

$custom: #3f44cd;
$custom-light: #8778dd;
$custom-dark: #000000;

JSON

{
  "hex": "#3f44cd",
  "rgb": {
    "r": 63,
    "g": 68,
    "b": 205
  },
  "hsl": {
    "h": 237.887,
    "s": 58.678,
    "l": 52.549
  },
  "oklch": {
    "l": 0.47518,
    "c": 0.20643,
    "h": 273.7
  },
  "luminance": 0.09599
}

Semantic roles & 50–950 ramp

primary

#3F44CD

secondary

#D3D195

accent

#DC46E2

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #3F44CD

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

Preview Lab → · Contrast checker → · Palette generator →