#3F36C0#3F36C0

#3F36C0 is a dark, highly saturated blue. Relative luminance 0.075; OKLCH L 44.1% C 0.205 H 276.8°. Best body text is #FFFFFF at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#3F36C0
RGB	rgb(63, 54, 192)
HSL	hsl(244, 56%, 48%)
HSV	hsv(244, 72%, 75%)
CMYK	cmyk(67.2%, 71.9%, 0%, 24.7%)
CIE-LAB	lab(32.92, 45.97, -70.60)
CIE-LCH	lch(32.92, 84.25, 303.07°)
OKLab	oklab(44.14% 0.0242 -0.2039)
OKLCH	oklch(44.14% 0.205 276.8)
XYZ	xyz(12.8804, 7.4997, 50.6278)
Luminance	0.0750 (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

#3F36C0 #B7C036

analogous

#3672C0 #3F36C0 #8436C0

triadic

#3F36C0 #C03F36 #36C03F

tetradic

#3F36C0 #C03672 #B7C036 #36C084

square

#3F36C0 #C03672 #B7C036 #36C084

split-complementary

#3F36C0 #C08436 #72C036

monochromatic

#201B60 #2F2990 #3F36C0 #6861D2 #9690E0

Accessibility & contrast

On white

8.40

#3F36C0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#3F36C0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F36C0

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F36C0	#FFFFFF	#000000	##FFFFFF
##3F36C0	1.00	8.40	2.50	8.40
#FFFFFF	8.40	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053C4

Deuteranopia (green-blind)

#0047BD

Tritanopia (blue-blind)

#005D77

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3f36c0;
/* rgb */ color: rgb(63, 54, 192);
/* oklch */ color: oklch(44.1% 0.205 276.8);

Tailwind

colors: {
  custom: {
    50: '#856fd4',
    500: '#3f36c0',
    950: '#000000',
  },
}

SCSS

$custom: #3f36c0;
$custom-light: #856fd4;
$custom-dark: #000000;

JSON

{
  "hex": "#3f36c0",
  "rgb": {
    "r": 63,
    "g": 54,
    "b": 192
  },
  "hsl": {
    "h": 243.913,
    "s": 56.098,
    "l": 48.235
  },
  "oklch": {
    "l": 0.44138,
    "c": 0.20538,
    "h": 276.8
  },
  "luminance": 0.07501
}

Semantic roles & 50–950 ramp

primary

#3F36C0

secondary

#C6CB87

accent

#DF48D6

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0D0714

muted

#7D7A83

Preview Lab

Preview with #3F36C0

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

Preview Lab → · Contrast checker → · Palette generator →