#3F29B6#3F29B6

#3F29B6 is a dark, highly saturated blue. Relative luminance 0.060; OKLCH L 41.4% C 0.206 H 279.5°. Best body text is #FFFFFF at 9.53:1 contrast (WCAG AA passes).

Color values

HEX	#3F29B6
RGB	rgb(63, 41, 182)
HSL	hsl(249, 63%, 44%)
HSV	hsv(249, 77%, 71%)
CMYK	cmyk(65.4%, 77.5%, 0%, 28.6%)
CIE-LAB	lab(29.46, 49.79, -70.39)
CIE-LCH	lch(29.46, 86.22, 305.27°)
OKLab	oklab(41.4% 0.0341 -0.2032)
OKLCH	oklch(41.4% 0.206 279.5)
XYZ	xyz(11.2836, 6.0191, 44.8141)
Luminance	0.0602 (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

#3F29B6 #A0B629

analogous

#2959B6 #3F29B6 #8529B6

triadic

#3F29B6 #B63F29 #29B63F

tetradic

#3F29B6 #B62959 #A0B629 #29B685

square

#3F29B6 #B62959 #A0B629 #29B685

split-complementary

#3F29B6 #B68529 #59B629

monochromatic

#1C1252 #2E1E84 #3F29B6 #5D47D5 #8979E1

Accessibility & contrast

On white

9.53

#3F29B6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#3F29B6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F29B6

9.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F29B6	#FFFFFF	#000000	##FFFFFF
##3F29B6	1.00	9.53	2.20	9.53
#FFFFFF	9.53	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BBA

Deuteranopia (green-blind)

#0040B3

Tritanopia (blue-blind)

#00536F

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #3f29b6;
/* rgb */ color: rgb(63, 41, 182);
/* oklch */ color: oklch(41.4% 0.206 279.5);

Tailwind

colors: {
  custom: {
    50: '#8467cd',
    500: '#3f29b6',
    950: '#000000',
  },
}

SCSS

$custom: #3f29b6;
$custom-light: #8467cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3f29b6",
  "rgb": {
    "r": 63,
    "g": 41,
    "b": 182
  },
  "hsl": {
    "h": 249.362,
    "s": 63.229,
    "l": 43.725
  },
  "oklch": {
    "l": 0.41395,
    "c": 0.20607,
    "h": 279.5
  },
  "luminance": 0.0602
}

Semantic roles & 50–950 ramp

primary

#3F29B6

secondary

#BBC972

accent

#E642CD

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #3F29B6

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

Preview Lab → · Contrast checker → · Palette generator →