#3F36C7#3F36C7

#3F36C7 is a dark, highly saturated blue. Relative luminance 0.078; OKLCH L 44.8% C 0.214 H 276.1°. Best body text is #FFFFFF at 8.19:1 contrast (WCAG AA passes).

Color values

HEX	#3F36C7
RGB	rgb(63, 54, 199)
HSL	hsl(244, 57%, 50%)
HSV	hsv(244, 73%, 78%)
CMYK	cmyk(68.3%, 72.9%, 0%, 22%)
CIE-LAB	lab(33.60, 48.20, -73.58)
CIE-LCH	lch(33.60, 87.96, 303.23°)
OKLab	oklab(44.83% 0.0229 -0.2126)
OKLCH	oklch(44.83% 0.214 276.1)
XYZ	xyz(13.6745, 7.8174, 54.8100)
Luminance	0.0782 (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

#3F36C7 #BEC736

analogous

#3676C7 #3F36C7 #8836C7

triadic

#3F36C7 #C73F36 #36C73F

tetradic

#3F36C7 #C73676 #BEC736 #36C788

square

#3F36C7 #C73676 #BEC736 #36C788

split-complementary

#3F36C7 #C78836 #76C736

monochromatic

#211C67 #302997 #3F36C7 #6C65D5 #9A95E2

Accessibility & contrast

On white

8.19

#3F36C7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#3F36C7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F36C7

8.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F36C7	#FFFFFF	#000000	##FFFFFF
##3F36C7	1.00	8.19	2.56	8.19
#FFFFFF	8.19	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055CB

Deuteranopia (green-blind)

#0049C4

Tritanopia (blue-blind)

#005F7B

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3f36c7;
/* rgb */ color: rgb(63, 54, 199);
/* oklch */ color: oklch(44.8% 0.214 276.1);

Tailwind

colors: {
  custom: {
    50: '#876fd9',
    500: '#3f36c7',
    950: '#000000',
  },
}

SCSS

$custom: #3f36c7;
$custom-light: #876fd9;
$custom-dark: #000000;

JSON

{
  "hex": "#3f36c7",
  "rgb": {
    "r": 63,
    "g": 54,
    "b": 199
  },
  "hsl": {
    "h": 243.724,
    "s": 57.312,
    "l": 49.608
  },
  "oklch": {
    "l": 0.44828,
    "c": 0.21387,
    "h": 276.1
  },
  "luminance": 0.07819
}

Semantic roles & 50–950 ramp

primary

#3F36C7

secondary

#C9CE8B

accent

#E147D7

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #3F36C7

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

Preview Lab → · Contrast checker → · Palette generator →