#3F30C4#3F30C4

#3F30C4 is a dark, highly saturated blue. Relative luminance 0.072; OKLCH L 43.7% C 0.216 H 277.1°. Best body text is #FFFFFF at 8.64:1 contrast (WCAG AA passes).

Color values

HEX	#3F30C4
RGB	rgb(63, 48, 196)
HSL	hsl(246, 61%, 48%)
HSV	hsv(246, 76%, 77%)
CMYK	cmyk(67.9%, 75.5%, 0%, 23.1%)
CIE-LAB	lab(32.16, 50.49, -74.20)
CIE-LCH	lch(32.16, 89.75, 304.23°)
OKLab	oklab(43.72% 0.0268 -0.2144)
OKLCH	oklch(43.72% 0.216 277.1)
XYZ	xyz(13.0674, 7.1550, 52.9063)
Luminance	0.0716 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 3.62

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F30C4 #B5C430

analogous

#306BC4 #3F30C4 #8930C4

triadic

#3F30C4 #C43F30 #30C43F

tetradic

#3F30C4 #C4306B #B5C430 #30C489

square

#3F30C4 #C4306B #B5C430 #30C489

split-complementary

#3F30C4 #C48930 #6BC430

monochromatic

#1F1862 #2F2493 #3F30C4 #675AD7 #948CE3

Accessibility & contrast

On white

8.64

#3F30C4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#3F30C4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F30C4

8.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F30C4	#FFFFFF	#000000	##FFFFFF
##3F30C4	1.00	8.64	2.43	8.64
#FFFFFF	8.64	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052C8

Deuteranopia (green-blind)

#0045C1

Tritanopia (blue-blind)

#005B78

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3f30c4;
/* rgb */ color: rgb(63, 48, 196);
/* oklch */ color: oklch(43.7% 0.216 277.1);

Tailwind

colors: {
  custom: {
    50: '#866bd7',
    500: '#3f30c4',
    950: '#000000',
  },
}

SCSS

$custom: #3f30c4;
$custom-light: #866bd7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f30c4",
  "rgb": {
    "r": 63,
    "g": 48,
    "b": 196
  },
  "hsl": {
    "h": 246.081,
    "s": 60.656,
    "l": 47.843
  },
  "oklch": {
    "l": 0.43718,
    "c": 0.21608,
    "h": 277.1
  },
  "luminance": 0.07156
}

Semantic roles & 50–950 ramp

primary

#3F30C4

secondary

#C5CD83

accent

#E444D4

background

#F9F6FD

surface

#F1EBFA

border

#CBC6D3

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #3F30C4

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

Preview Lab → · Contrast checker → · Palette generator →