#3F36D9#3F36D9

#3F36D9 is a mid, highly saturated blue. Relative luminance 0.087; OKLCH L 46.6% C 0.235 H 274.7°. Best body text is #FFFFFF at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#3F36D9
RGB	rgb(63, 54, 217)
HSL	hsl(243, 68%, 53%)
HSV	hsv(243, 75%, 85%)
CMYK	cmyk(71%, 75.1%, 0%, 14.9%)
CIE-LAB	lab(35.41, 53.86, -81.03)
CIE-LCH	lch(35.41, 97.30, 303.61°)
OKLab	oklab(46.65% 0.0193 -0.2343)
OKLCH	oklch(46.65% 0.235 274.7)
XYZ	xyz(15.8893, 8.7033, 66.4747)
Luminance	0.0871 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.78

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F36D9 #D0D936

analogous

#367ED9 #3F36D9 #9036D9

triadic

#3F36D9 #D93F36 #36D93F

tetradic

#3F36D9 #D9367E #D0D936 #36D990

square

#3F36D9 #D9367E #D0D936 #36D990

split-complementary

#3F36D9 #D99036 #7ED936

monochromatic

#1D187D #2921B0 #3F36D9 #7069E3 #A19DEC

Accessibility & contrast

On white

7.66

#3F36D9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#3F36D9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F36D9

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F36D9	#FFFFFF	#000000	##FFFFFF
##3F36D9	1.00	7.66	2.74	7.66
#FFFFFF	7.66	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BDE

Deuteranopia (green-blind)

#004CD6

Tritanopia (blue-blind)

#006686

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3f36d9;
/* rgb */ color: rgb(63, 54, 217);
/* oklch */ color: oklch(46.6% 0.235 274.7);

Tailwind

colors: {
  custom: {
    50: '#8a70e6',
    500: '#3f36d9',
    950: '#000000',
  },
}

SCSS

$custom: #3f36d9;
$custom-light: #8a70e6;
$custom-dark: #000000;

JSON

{
  "hex": "#3f36d9",
  "rgb": {
    "r": 63,
    "g": 54,
    "b": 217
  },
  "hsl": {
    "h": 243.313,
    "s": 68.201,
    "l": 53.137
  },
  "oklch": {
    "l": 0.46645,
    "c": 0.23514,
    "h": 274.7
  },
  "luminance": 0.08705
}

Semantic roles & 50–950 ramp

primary

#3F36D9

secondary

#D5D992

accent

#EB3DE1

background

#F9F6FE

surface

#F2ECFD

border

#CCC7D5

text

#0E0816

muted

#7E7B84

Preview Lab

Preview with #3F36D9

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

Preview Lab → · Contrast checker → · Palette generator →