#3F34DD#3F34DD

#3F34DD is a mid, highly saturated blue. Relative luminance 0.087; OKLCH L 46.8% C 0.242 H 274.6°. Best body text is #FFFFFF at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#3F34DD
RGB	rgb(63, 52, 221)
HSL	hsl(244, 71%, 54%)
HSV	hsv(244, 76%, 87%)
CMYK	cmyk(71.5%, 76.5%, 0%, 13.3%)
CIE-LAB	lab(35.46, 56.11, -83.24)
CIE-LCH	lch(35.46, 100.39, 303.98°)
OKLab	oklab(46.81% 0.0193 -0.2407)
OKLCH	oklch(46.81% 0.242 274.6)
XYZ	xyz(16.3247, 8.7316, 69.2176)
Luminance	0.0873 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 3.01

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F34DD #D2DD34

analogous

#347DDD #3F34DD #9334DD

triadic

#3F34DD #DD3F34 #34DD3F

tetradic

#3F34DD #DD347D #D2DD34 #34DD93

square

#3F34DD #DD347D #D2DD34 #34DD93

split-complementary

#3F34DD #DD9334 #7DDD34

monochromatic

#1D1681 #281EB5 #3F34DD #7168E6 #A29DEF

Accessibility & contrast

On white

7.65

#3F34DD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#3F34DD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F34DD

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F34DD	#FFFFFF	#000000	##FFFFFF
##3F34DD	1.00	7.65	2.75	7.65
#FFFFFF	7.65	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BE2

Deuteranopia (green-blind)

#004BDA

Tritanopia (blue-blind)

#006787

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3f34dd;
/* rgb */ color: rgb(63, 52, 221);
/* oklch */ color: oklch(46.8% 0.242 274.6);

Tailwind

colors: {
  custom: {
    50: '#8b6fe9',
    500: '#3f34dd',
    950: '#000000',
  },
}

SCSS

$custom: #3f34dd;
$custom-light: #8b6fe9;
$custom-dark: #000000;

JSON

{
  "hex": "#3f34dd",
  "rgb": {
    "r": 63,
    "g": 52,
    "b": 221
  },
  "hsl": {
    "h": 243.905,
    "s": 71.308,
    "l": 53.529
  },
  "oklch": {
    "l": 0.46807,
    "c": 0.24153,
    "h": 274.6
  },
  "luminance": 0.08733
}

Semantic roles & 50–950 ramp

primary

#3F34DD

secondary

#D6DB92

accent

#EE3AE2

background

#F9F6FE

surface

#F2ECFD

border

#CCC7D5

text

#0E0716

muted

#7E7A84

Preview Lab

Preview with #3F34DD

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

Preview Lab → · Contrast checker → · Palette generator →