#3F29C6#3F29C6

#3F29C6 is a dark, highly saturated blue. Relative luminance 0.067; OKLCH L 43.1% C 0.225 H 277.6°. Best body text is #FFFFFF at 8.96:1 contrast (WCAG AA passes).

Color values

HEX	#3F29C6
RGB	rgb(63, 41, 198)
HSL	hsl(248, 66%, 47%)
HSV	hsv(248, 79%, 78%)
CMYK	cmyk(68.2%, 79.3%, 0%, 22.4%)
CIE-LAB	lab(31.16, 54.56, -77.03)
CIE-LCH	lch(31.16, 94.40, 305.31°)
OKLab	oklab(43.08% 0.0298 -0.2225)
OKLCH	oklch(43.08% 0.225 277.6)
XYZ	xyz(13.0326, 6.7187, 54.0252)
Luminance	0.0672 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 4.67

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F29C6 #B0C629

analogous

#2961C6 #3F29C6 #8E29C6

triadic

#3F29C6 #C63F29 #29C63F

tetradic

#3F29C6 #C62961 #B0C629 #29C68E

square

#3F29C6 #C62961 #B0C629 #29C68E

split-complementary

#3F29C6 #C68E29 #61C629

monochromatic

#1F1461 #2F1F93 #3F29C6 #6551DB #9284E6

Accessibility & contrast

On white

8.96

#3F29C6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#3F29C6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F29C6

8.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F29C6	#FFFFFF	#000000	##FFFFFF
##3F29C6	1.00	8.96	2.34	8.96
#FFFFFF	8.96	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FCA

Deuteranopia (green-blind)

#0043C3

Tritanopia (blue-blind)

#005978

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3f29c6;
/* rgb */ color: rgb(63, 41, 198);
/* oklch */ color: oklch(43.1% 0.225 277.6);

Tailwind

colors: {
  custom: {
    50: '#8767d9',
    500: '#3f29c6',
    950: '#000000',
  },
}

SCSS

$custom: #3f29c6;
$custom-light: #8767d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3f29c6",
  "rgb": {
    "r": 63,
    "g": 41,
    "b": 198
  },
  "hsl": {
    "h": 248.408,
    "s": 65.69,
    "l": 46.863
  },
  "oklch": {
    "l": 0.4308,
    "c": 0.22453,
    "h": 277.6
  },
  "luminance": 0.0672
}

Semantic roles & 50–950 ramp

primary

#3F29C6

secondary

#C3CF7C

accent

#E93FD1

background

#F9F6FD

surface

#F1EBFB

border

#CBC6D4

text

#0D0615

muted

#7E7A83

Preview Lab

Preview with #3F29C6

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

Preview Lab → · Contrast checker → · Palette generator →