#3F29AE#3F29AE

#3F29AE is a dark, vivid blue. Relative luminance 0.057; OKLCH L 40.6% C 0.197 H 280.6°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#3F29AE
RGB	rgb(63, 41, 174)
HSL	hsl(250, 62%, 42%)
HSV	hsv(250, 76%, 68%)
CMYK	cmyk(63.8%, 76.4%, 0%, 31.8%)
CIE-LAB	lab(28.64, 47.36, -66.97)
CIE-LCH	lch(28.64, 82.03, 305.27°)
OKLab	oklab(40.57% 0.0362 -0.1933)
OKLCH	oklch(40.57% 0.197 280.6)
XYZ	xyz(10.4804, 5.6978, 40.5837)
Luminance	0.0570 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.12

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F29AE #98AE29

analogous

#2956AE #3F29AE #8229AE

triadic

#3F29AE #AE3F29 #29AE3F

tetradic

#3F29AE #AE2956 #98AE29 #29AE82

square

#3F29AE #AE2956 #98AE29 #29AE82

split-complementary

#3F29AE #AE8229 #56AE29

monochromatic

#1B124B #2D1D7C #3F29AE #5A42D2 #8573DE

Accessibility & contrast

On white

9.81

#3F29AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#3F29AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F29AE

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F29AE	#FFFFFF	#000000	##FFFFFF
##3F29AE	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B2

Deuteranopia (green-blind)

#003EAC

Tritanopia (blue-blind)

#00506A

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #3f29ae;
/* rgb */ color: rgb(63, 41, 174);
/* oklch */ color: oklch(40.6% 0.197 280.6);

Tailwind

colors: {
  custom: {
    50: '#8366c7',
    500: '#3f29ae',
    950: '#000000',
  },
}

SCSS

$custom: #3f29ae;
$custom-light: #8366c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f29ae",
  "rgb": {
    "r": 63,
    "g": 41,
    "b": 174
  },
  "hsl": {
    "h": 249.925,
    "s": 61.86,
    "l": 42.157
  },
  "oklch": {
    "l": 0.40572,
    "c": 0.19662,
    "h": 280.6
  },
  "luminance": 0.05699
}

Semantic roles & 50–950 ramp

primary

#3F29AE

secondary

#B7C56D

accent

#E543CA

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #3F29AE

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

Preview Lab → · Contrast checker → · Palette generator →