#3F36CC#3F36CC

#3F36CC is a mid, highly saturated blue. Relative luminance 0.081; OKLCH L 45.3% C 0.220 H 275.7°. Best body text is #FFFFFF at 8.04:1 contrast (WCAG AA passes).

Color values

HEX	#3F36CC
RGB	rgb(63, 54, 204)
HSL	hsl(244, 60%, 51%)
HSV	hsv(244, 74%, 80%)
CMYK	cmyk(69.1%, 73.5%, 0%, 20%)
CIE-LAB	lab(34.09, 49.79, -75.68)
CIE-LCH	lch(34.09, 90.59, 303.34°)
OKLab	oklab(45.33% 0.0219 -0.2188)
OKLCH	oklch(45.33% 0.22 275.7)
XYZ	xyz(14.2646, 8.0534, 57.9178)
Luminance	0.0805 (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

#3F36CC #C3CC36

analogous

#3678CC #3F36CC #8A36CC

triadic

#3F36CC #CC3F36 #36CC3F

tetradic

#3F36CC #CC3678 #C3CC36 #36CC8A

square

#3F36CC #CC3678 #C3CC36 #36CC8A

split-complementary

#3F36CC #CC8A36 #78CC36

monochromatic

#201B6C #2F289D #3F36CC #6E67D8 #9C98E5

Accessibility & contrast

On white

8.04

#3F36CC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#3F36CC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F36CC

8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F36CC	#FFFFFF	#000000	##FFFFFF
##3F36CC	1.00	8.04	2.61	8.04
#FFFFFF	8.04	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057D0

Deuteranopia (green-blind)

#0049C9

Tritanopia (blue-blind)

#00617E

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3f36cc;
/* rgb */ color: rgb(63, 54, 204);
/* oklch */ color: oklch(45.3% 0.220 275.7);

Tailwind

colors: {
  custom: {
    50: '#886fdd',
    500: '#3f36cc',
    950: '#000000',
  },
}

SCSS

$custom: #3f36cc;
$custom-light: #886fdd;
$custom-dark: #000000;

JSON

{
  "hex": "#3f36cc",
  "rgb": {
    "r": 63,
    "g": 54,
    "b": 204
  },
  "hsl": {
    "h": 243.6,
    "s": 59.524,
    "l": 50.588
  },
  "oklch": {
    "l": 0.45326,
    "c": 0.21986,
    "h": 275.7
  },
  "luminance": 0.08055
}

Semantic roles & 50–950 ramp

primary

#3F36CC

secondary

#CCD08E

accent

#E345D9

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #3F36CC

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

Preview Lab → · Contrast checker → · Palette generator →