#3F39DA#3F39DA

#3F39DA is a mid, highly saturated blue. Relative luminance 0.090; OKLCH L 47.1% C 0.234 H 274.3°. Best body text is #FFFFFF at 7.48:1 contrast (WCAG AA passes).

Color values

HEX	#3F39DA
RGB	rgb(63, 57, 218)
HSL	hsl(242, 69%, 54%)
HSV	hsv(242, 74%, 85%)
CMYK	cmyk(71.1%, 73.9%, 0%, 14.5%)
CIE-LAB	lab(36.07, 52.59, -80.52)
CIE-LCH	lch(36.07, 96.17, 303.15°)
OKLab	oklab(47.14% 0.0177 -0.2329)
OKLCH	oklch(47.14% 0.234 274.3)
XYZ	xyz(16.1637, 9.0434, 67.2098)
Luminance	0.0905 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.85

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F39DA #D4DA39

analogous

#3984DA #3F39DA #9039DA

triadic

#3F39DA #DA3F39 #39DA3F

tetradic

#3F39DA #DA3984 #D4DA39 #39DA90

square

#3F39DA #DA3984 #D4DA39 #39DA90

split-complementary

#3F39DA #DA9039 #84DA39

monochromatic

#1C1881 #2722B4 #3F39DA #716DE4 #A3A0ED

Accessibility & contrast

On white

7.48

#3F39DA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#3F39DA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F39DA

7.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F39DA	#FFFFFF	#000000	##FFFFFF
##3F39DA	1.00	7.48	2.81	7.48
#FFFFFF	7.48	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CDF

Deuteranopia (green-blind)

#004DD7

Tritanopia (blue-blind)

#006887

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3f39da;
/* rgb */ color: rgb(63, 57, 218);
/* oklch */ color: oklch(47.1% 0.234 274.3);

Tailwind

colors: {
  custom: {
    50: '#8a72e7',
    500: '#3f39da',
    950: '#000000',
  },
}

SCSS

$custom: #3f39da;
$custom-light: #8a72e7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f39da",
  "rgb": {
    "r": 63,
    "g": 57,
    "b": 218
  },
  "hsl": {
    "h": 242.236,
    "s": 68.511,
    "l": 53.922
  },
  "oklch": {
    "l": 0.47142,
    "c": 0.23355,
    "h": 274.3
  },
  "luminance": 0.09045
}

Semantic roles & 50–950 ramp

primary

#3F39DA

secondary

#D7DA95

accent

#EB3CE5

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0816

muted

#7E7B84

Preview Lab

Preview with #3F39DA

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

Preview Lab → · Contrast checker → · Palette generator →