#3F34C1#3F34C1

#3F34C1 is a dark, highly saturated blue. Relative luminance 0.074; OKLCH L 44.0% C 0.209 H 276.9°. Best body text is #FFFFFF at 8.49:1 contrast (WCAG AA passes).

Color values

HEX	#3F34C1
RGB	rgb(63, 52, 193)
HSL	hsl(245, 58%, 48%)
HSV	hsv(245, 73%, 76%)
CMYK	cmyk(67.4%, 73.1%, 0%, 24.3%)
CIE-LAB	lab(32.62, 47.40, -71.69)
CIE-LCH	lch(32.62, 85.94, 303.47°)
OKLab	oklab(43.95% 0.0252 -0.2071)
OKLCH	oklch(43.95% 0.209 276.9)
XYZ	xyz(12.9004, 7.3619, 51.1829)
Luminance	0.0736 (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

#3F34C1 #B6C134

analogous

#346FC1 #3F34C1 #8534C1

triadic

#3F34C1 #C13F34 #34C13F

tetradic

#3F34C1 #C1346F #B6C134 #34C185

square

#3F34C1 #C1346F #B6C134 #34C185

split-complementary

#3F34C1 #C18534 #6FC134

monochromatic

#201A61 #2F2791 #3F34C1 #685ED4 #958FE1

Accessibility & contrast

On white

8.49

#3F34C1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#3F34C1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F34C1

8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F34C1	#FFFFFF	#000000	##FFFFFF
##3F34C1	1.00	8.49	2.47	8.49
#FFFFFF	8.49	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053C5

Deuteranopia (green-blind)

#0047BE

Tritanopia (blue-blind)

#005C77

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3f34c1;
/* rgb */ color: rgb(63, 52, 193);
/* oklch */ color: oklch(44.0% 0.209 276.9);

Tailwind

colors: {
  custom: {
    50: '#866ed5',
    500: '#3f34c1',
    950: '#000000',
  },
}

SCSS

$custom: #3f34c1;
$custom-light: #866ed5;
$custom-dark: #000000;

JSON

{
  "hex": "#3f34c1",
  "rgb": {
    "r": 63,
    "g": 52,
    "b": 193
  },
  "hsl": {
    "h": 244.681,
    "s": 57.551,
    "l": 48.039
  },
  "oklch": {
    "l": 0.43953,
    "c": 0.20863,
    "h": 276.9
  },
  "luminance": 0.07363
}

Semantic roles & 50–950 ramp

primary

#3F34C1

secondary

#C6CB86

accent

#E147D5

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0D0714

muted

#7D7A83

Preview Lab

Preview with #3F34C1

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

Preview Lab → · Contrast checker → · Palette generator →