#3F30C7#3F30C7

#3F30C7 is a dark, highly saturated blue. Relative luminance 0.073; OKLCH L 44.0% C 0.220 H 276.8°. Best body text is #FFFFFF at 8.54:1 contrast (WCAG AA passes).

Color values

HEX	#3F30C7
RGB	rgb(63, 48, 199)
HSL	hsl(246, 61%, 48%)
HSV	hsv(246, 76%, 78%)
CMYK	cmyk(68.3%, 75.9%, 0%, 22%)
CIE-LAB	lab(32.46, 51.41, -75.45)
CIE-LCH	lch(32.46, 91.30, 304.27°)
OKLab	oklab(44.03% 0.0262 -0.218)
OKLCH	oklch(44.03% 0.22 276.8)
XYZ	xyz(13.4123, 7.2930, 54.7226)
Luminance	0.0729 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 3.45

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F30C7 #B8C730

analogous

#306CC7 #3F30C7 #8A30C7

triadic

#3F30C7 #C73F30 #30C73F

tetradic

#3F30C7 #C7306C #B8C730 #30C78A

square

#3F30C7 #C7306C #B8C730 #30C78A

split-complementary

#3F30C7 #C78A30 #6CC730

monochromatic

#201864 #2F2496 #3F30C7 #695CD8 #968EE4

Accessibility & contrast

On white

8.54

#3F30C7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#3F30C7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F30C7

8.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F30C7	#FFFFFF	#000000	##FFFFFF
##3F30C7	1.00	8.54	2.46	8.54
#FFFFFF	8.54	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053CB

Deuteranopia (green-blind)

#0046C4

Tritanopia (blue-blind)

#005C7A

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3f30c7;
/* rgb */ color: rgb(63, 48, 199);
/* oklch */ color: oklch(44.0% 0.220 276.8);

Tailwind

colors: {
  custom: {
    50: '#876bd9',
    500: '#3f30c7',
    950: '#000000',
  },
}

SCSS

$custom: #3f30c7;
$custom-light: #876bd9;
$custom-dark: #000000;

JSON

{
  "hex": "#3f30c7",
  "rgb": {
    "r": 63,
    "g": 48,
    "b": 199
  },
  "hsl": {
    "h": 245.96,
    "s": 61.134,
    "l": 48.431
  },
  "oklch": {
    "l": 0.44025,
    "c": 0.21961,
    "h": 276.8
  },
  "luminance": 0.07294
}

Semantic roles & 50–950 ramp

primary

#3F30C7

secondary

#C7CE85

accent

#E444D4

background

#F9F6FD

surface

#F1EBFB

border

#CBC6D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #3F30C7

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

Preview Lab → · Contrast checker → · Palette generator →