#3F39D3#3F39D3

#3F39D3 is a mid, highly saturated blue. Relative luminance 0.087; OKLCH L 46.4% C 0.225 H 274.8°. Best body text is #FFFFFF at 7.67:1 contrast (WCAG AA passes).

Color values

HEX	#3F39D3
RGB	rgb(63, 57, 211)
HSL	hsl(242, 64%, 53%)
HSV	hsv(242, 73%, 83%)
CMYK	cmyk(70.1%, 73%, 0%, 17.3%)
CIE-LAB	lab(35.37, 50.37, -77.63)
CIE-LCH	lch(35.37, 92.54, 302.98°)
OKLab	oklab(46.44% 0.019 -0.2245)
OKLCH	oklch(46.44% 0.225 274.8)
XYZ	xyz(15.2670, 8.6847, 62.4871)
Luminance	0.0869 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.64

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F39D3 #CDD339

analogous

#3980D3 #3F39D3 #8C39D3

triadic

#3F39D3 #D33F39 #39D33F

tetradic

#3F39D3 #D33980 #CDD339 #39D38C

square

#3F39D3 #D33980 #CDD339 #39D38C

split-complementary

#3F39D3 #D38C39 #80D339

monochromatic

#1E1A77 #2B26A9 #3F39D3 #706BDE #A09DE9

Accessibility & contrast

On white

7.67

#3F39D3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#3F39D3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F39D3

7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F39D3	#FFFFFF	#000000	##FFFFFF
##3F39D3	1.00	7.67	2.74	7.67
#FFFFFF	7.67	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AD8

Deuteranopia (green-blind)

#004CD0

Tritanopia (blue-blind)

#006583

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3f39d3;
/* rgb */ color: rgb(63, 57, 211);
/* oklch */ color: oklch(46.4% 0.225 274.8);

Tailwind

colors: {
  custom: {
    50: '#8971e2',
    500: '#3f39d3',
    950: '#000000',
  },
}

SCSS

$custom: #3f39d3;
$custom-light: #8971e2;
$custom-dark: #000000;

JSON

{
  "hex": "#3f39d3",
  "rgb": {
    "r": 63,
    "g": 57,
    "b": 211
  },
  "hsl": {
    "h": 242.338,
    "s": 63.636,
    "l": 52.549
  },
  "oklch": {
    "l": 0.4644,
    "c": 0.22528,
    "h": 274.8
  },
  "luminance": 0.08686
}

Semantic roles & 50–950 ramp

primary

#3F39D3

secondary

#D3D592

accent

#E741E0

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0D0816

muted

#7E7B84

Preview Lab

Preview with #3F39D3

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

Preview Lab → · Contrast checker → · Palette generator →