#3F38C6#3F38C6

#3F38C6 is a mid, highly saturated blue. Relative luminance 0.080; OKLCH L 45.0% C 0.211 H 276.0°. Best body text is #FFFFFF at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#3F38C6
RGB	rgb(63, 56, 198)
HSL	hsl(243, 56%, 50%)
HSV	hsv(243, 72%, 78%)
CMYK	cmyk(68.2%, 71.7%, 0%, 22.4%)
CIE-LAB	lab(33.90, 46.77, -72.50)
CIE-LCH	lch(33.90, 86.28, 302.83°)
OKLab	oklab(45.01% 0.0219 -0.2095)
OKLCH	oklch(45.01% 0.211 276)
XYZ	xyz(13.6538, 7.9611, 54.2322)
Luminance	0.0796 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F38C6 #BFC638

analogous

#3878C6 #3F38C6 #8638C6

triadic

#3F38C6 #C63F38 #38C63F

tetradic

#3F38C6 #C63878 #BFC638 #38C686

square

#3F38C6 #C63878 #BFC638 #38C686

split-complementary

#3F38C6 #C68638 #78C638

monochromatic

#211D67 #302B96 #3F38C6 #6D67D4 #9B97E2

Accessibility & contrast

On white

8.10

#3F38C6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#3F38C6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F38C6

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F38C6	#FFFFFF	#000000	##FFFFFF
##3F38C6	1.00	8.10	2.59	8.10
#FFFFFF	8.10	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056CA

Deuteranopia (green-blind)

#0049C3

Tritanopia (blue-blind)

#00607B

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3f38c6;
/* rgb */ color: rgb(63, 56, 198);
/* oklch */ color: oklch(45.0% 0.211 276.0);

Tailwind

colors: {
  custom: {
    50: '#8670d9',
    500: '#3f38c6',
    950: '#000000',
  },
}

SCSS

$custom: #3f38c6;
$custom-light: #8670d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3f38c6",
  "rgb": {
    "r": 63,
    "g": 56,
    "b": 198
  },
  "hsl": {
    "h": 242.958,
    "s": 55.906,
    "l": 49.804
  },
  "oklch": {
    "l": 0.45013,
    "c": 0.21064,
    "h": 276
  },
  "luminance": 0.07962
}

Semantic roles & 50–950 ramp

primary

#3F38C6

secondary

#CACD8D

accent

#DF49D8

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #3F38C6

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

Preview Lab → · Contrast checker → · Palette generator →