#3F38D3#3F38D3

#3F38D3 is a mid, highly saturated blue. Relative luminance 0.086; OKLCH L 46.3% C 0.226 H 274.9°. Best body text is #FFFFFF at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#3F38D3
RGB	rgb(63, 56, 211)
HSL	hsl(243, 64%, 52%)
HSV	hsv(243, 73%, 83%)
CMYK	cmyk(70.1%, 73.5%, 0%, 17.3%)
CIE-LAB	lab(35.18, 50.92, -77.95)
CIE-LCH	lch(35.18, 93.11, 303.15°)
OKLab	oklab(46.3% 0.0195 -0.2254)
OKLCH	oklch(46.3% 0.226 274.9)
XYZ	xyz(15.2181, 8.5868, 62.4708)
Luminance	0.0859 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.62

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F38D3 #CCD338

analogous

#387ED3 #3F38D3 #8D38D3

triadic

#3F38D3 #D33F38 #38D33F

tetradic

#3F38D3 #D3387E #CCD338 #38D38D

square

#3F38D3 #D3387E #CCD338 #38D38D

split-complementary

#3F38D3 #D38D38 #7ED338

monochromatic

#1E1A76 #2B25A9 #3F38D3 #6F6ADE #A09CE9

Accessibility & contrast

On white

7.73

#3F38D3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#3F38D3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F38D3

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F38D3	#FFFFFF	#000000	##FFFFFF
##3F38D3	1.00	7.73	2.72	7.73
#FFFFFF	7.73	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.73	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: #3f38d3;
/* rgb */ color: rgb(63, 56, 211);
/* oklch */ color: oklch(46.3% 0.226 274.9);

Tailwind

colors: {
  custom: {
    50: '#8971e2',
    500: '#3f38d3',
    950: '#000000',
  },
}

SCSS

$custom: #3f38d3;
$custom-light: #8971e2;
$custom-dark: #000000;

JSON

{
  "hex": "#3f38d3",
  "rgb": {
    "r": 63,
    "g": 56,
    "b": 211
  },
  "hsl": {
    "h": 242.71,
    "s": 63.786,
    "l": 52.353
  },
  "oklch": {
    "l": 0.46302,
    "c": 0.22624,
    "h": 274.9
  },
  "luminance": 0.08588
}

Semantic roles & 50–950 ramp

primary

#3F38D3

secondary

#D2D592

accent

#E741DF

background

#F9F6FE

surface

#F2ECFC

border

#CCC7D5

text

#0D0816

muted

#7E7B84

Preview Lab

Preview with #3F38D3

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

Preview Lab → · Contrast checker → · Palette generator →