#3F38D4#3F38D4

#3F38D4 is a mid, highly saturated blue. Relative luminance 0.086; OKLCH L 46.4% C 0.227 H 274.9°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#3F38D4
RGB	rgb(63, 56, 212)
HSL	hsl(243, 64%, 53%)
HSV	hsv(243, 74%, 83%)
CMYK	cmyk(70.3%, 73.6%, 0%, 16.9%)
CIE-LAB	lab(35.28, 51.23, -78.37)
CIE-LCH	lch(35.28, 93.63, 303.17°)
OKLab	oklab(46.4% 0.0193 -0.2266)
OKLCH	oklch(46.4% 0.227 274.9)
XYZ	xyz(15.3438, 8.6371, 63.1331)
Luminance	0.0864 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.63

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F38D4 #CDD438

analogous

#387FD4 #3F38D4 #8D38D4

triadic

#3F38D4 #D43F38 #38D43F

tetradic

#3F38D4 #D4387F #CDD438 #38D48D

square

#3F38D4 #D4387F #CDD438 #38D48D

split-complementary

#3F38D4 #D48D38 #7FD438

monochromatic

#1E1A78 #2B25AA #3F38D4 #706ADF #A09DEA

Accessibility & contrast

On white

7.70

#3F38D4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#3F38D4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F38D4

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F38D4	#FFFFFF	#000000	##FFFFFF
##3F38D4	1.00	7.70	2.73	7.70
#FFFFFF	7.70	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AD9

Deuteranopia (green-blind)

#004CD1

Tritanopia (blue-blind)

#006583

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3f38d4;
/* rgb */ color: rgb(63, 56, 212);
/* oklch */ color: oklch(46.4% 0.227 274.9);

Tailwind

colors: {
  custom: {
    50: '#8971e3',
    500: '#3f38d4',
    950: '#000000',
  },
}

SCSS

$custom: #3f38d4;
$custom-light: #8971e3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f38d4",
  "rgb": {
    "r": 63,
    "g": 56,
    "b": 212
  },
  "hsl": {
    "h": 242.692,
    "s": 64.463,
    "l": 52.549
  },
  "oklch": {
    "l": 0.46403,
    "c": 0.22743,
    "h": 274.9
  },
  "luminance": 0.08639
}

Semantic roles & 50–950 ramp

primary

#3F38D4

secondary

#D3D692

accent

#E740E0

background

#F9F6FE

surface

#F2ECFC

border

#CCC7D5

text

#0D0816

muted

#7E7B84

Preview Lab

Preview with #3F38D4

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

Preview Lab → · Contrast checker → · Palette generator →