#3F29B4#3F29B4

#3F29B4 is a dark, highly saturated blue. Relative luminance 0.059; OKLCH L 41.2% C 0.204 H 279.8°. Best body text is #FFFFFF at 9.60:1 contrast (WCAG AA passes).

Color values

HEX	#3F29B4
RGB	rgb(63, 41, 180)
HSL	hsl(249, 63%, 43%)
HSV	hsv(249, 77%, 71%)
CMYK	cmyk(65%, 77.2%, 0%, 29.4%)
CIE-LAB	lab(29.25, 49.18, -69.54)
CIE-LCH	lch(29.25, 85.18, 305.27°)
OKLab	oklab(41.19% 0.0346 -0.2008)
OKLCH	oklch(41.19% 0.204 279.8)
XYZ	xyz(11.0784, 5.9370, 43.7333)
Luminance	0.0594 (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

#3F29B4 #9EB429

analogous

#2959B4 #3F29B4 #8429B4

triadic

#3F29B4 #B43F29 #29B43F

tetradic

#3F29B4 #B42959 #9EB429 #29B484

square

#3F29B4 #B42959 #9EB429 #29B484

split-complementary

#3F29B4 #B48429 #59B429

monochromatic

#1C1250 #2E1E82 #3F29B4 #5C45D5 #8877E0

Accessibility & contrast

On white

9.60

#3F29B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#3F29B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F29B4

9.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F29B4	#FFFFFF	#000000	##FFFFFF
##3F29B4	1.00	9.60	2.19	9.60
#FFFFFF	9.60	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AB8

Deuteranopia (green-blind)

#003FB2

Tritanopia (blue-blind)

#00526D

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #3f29b4;
/* rgb */ color: rgb(63, 41, 180);
/* oklch */ color: oklch(41.2% 0.204 279.8);

Tailwind

colors: {
  custom: {
    50: '#8466cc',
    500: '#3f29b4',
    950: '#000000',
  },
}

SCSS

$custom: #3f29b4;
$custom-light: #8466cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3f29b4",
  "rgb": {
    "r": 63,
    "g": 41,
    "b": 180
  },
  "hsl": {
    "h": 249.496,
    "s": 62.896,
    "l": 43.333
  },
  "oklch": {
    "l": 0.41188,
    "c": 0.20372,
    "h": 279.8
  },
  "luminance": 0.05938
}

Semantic roles & 50–950 ramp

primary

#3F29B4

secondary

#BAC871

accent

#E642CC

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #3F29B4

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

Preview Lab → · Contrast checker → · Palette generator →