#3F38C3#3F38C3

#3F38C3 is a dark, highly saturated blue. Relative luminance 0.078; OKLCH L 44.7% C 0.207 H 276.2°. Best body text is #FFFFFF at 8.19:1 contrast (WCAG AA passes).

Color values

HEX	#3F38C3
RGB	rgb(63, 56, 195)
HSL	hsl(243, 55%, 49%)
HSV	hsv(243, 71%, 76%)
CMYK	cmyk(67.7%, 71.3%, 0%, 23.5%)
CIE-LAB	lab(33.61, 45.80, -71.22)
CIE-LCH	lch(33.61, 84.68, 302.75°)
OKLab	oklab(44.72% 0.0224 -0.2057)
OKLCH	oklch(44.72% 0.207 276.2)
XYZ	xyz(13.3112, 7.8240, 52.4279)
Luminance	0.0783 (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

#3F38C3 #BCC338

analogous

#3876C3 #3F38C3 #8538C3

triadic

#3F38C3 #C33F38 #38C33F

tetradic

#3F38C3 #C33876 #BCC338 #38C385

square

#3F38C3 #C33876 #BCC338 #38C385

split-complementary

#3F38C3 #C38538 #76C338

monochromatic

#201D64 #302A93 #3F38C3 #6B65D3 #9995E1

Accessibility & contrast

On white

8.19

#3F38C3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#3F38C3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F38C3

8.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F38C3	#FFFFFF	#000000	##FFFFFF
##3F38C3	1.00	8.19	2.57	8.19
#FFFFFF	8.19	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C7

Deuteranopia (green-blind)

#0049C0

Tritanopia (blue-blind)

#005F7A

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3f38c3;
/* rgb */ color: rgb(63, 56, 195);
/* oklch */ color: oklch(44.7% 0.207 276.2);

Tailwind

colors: {
  custom: {
    50: '#8670d6',
    500: '#3f38c3',
    950: '#000000',
  },
}

SCSS

$custom: #3f38c3;
$custom-light: #8670d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3f38c3",
  "rgb": {
    "r": 63,
    "g": 56,
    "b": 195
  },
  "hsl": {
    "h": 243.022,
    "s": 55.378,
    "l": 49.216
  },
  "oklch": {
    "l": 0.44721,
    "c": 0.20697,
    "h": 276.2
  },
  "luminance": 0.07825
}

Semantic roles & 50–950 ramp

primary

#3F38C3

secondary

#C9CC8B

accent

#DF49D7

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0D0714

muted

#7D7A83

Preview Lab

Preview with #3F38C3

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

Preview Lab → · Contrast checker → · Palette generator →