#3F46DA#3F46DA

#3F46DA is a mid, highly saturated blue. Relative luminance 0.105; OKLCH L 49.0% C 0.220 H 272.8°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#3F46DA
RGB	rgb(63, 70, 218)
HSL	hsl(237, 68%, 55%)
HSV	hsv(237, 71%, 85%)
CMYK	cmyk(71.1%, 67.9%, 0%, 14.5%)
CIE-LAB	lab(38.72, 45.24, -76.15)
CIE-LCH	lch(38.72, 88.57, 300.72°)
OKLab	oklab(49.04% 0.0107 -0.2202)
OKLCH	oklch(49.04% 0.22 272.8)
XYZ	xyz(16.8907, 10.4974, 67.4521)
Luminance	0.1050 (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

#3F46DA #DAD33F

analogous

#3F94DA #3F46DA #853FDA

triadic

#3F46DA #DA3F46 #46DA3F

tetradic

#3F46DA #DA3F94 #DAD33F #3FDA85

square

#3F46DA #DA3F94 #DAD33F #3FDA85

split-complementary

#3F46DA #DA853F #94DA3F

monochromatic

#1A1E85 #242AB8 #3F46DA #7277E4 #A6A9EE

Accessibility & contrast

On white

6.77

#3F46DA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#3F46DA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F46DA

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F46DA	#FFFFFF	#000000	##FFFFFF
##3F46DA	1.00	6.77	3.10	6.77
#FFFFFF	6.77	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062DF

Deuteranopia (green-blind)

#0054D7

Tritanopia (blue-blind)

#006E8A

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3f46da;
/* rgb */ color: rgb(63, 70, 218);
/* oklch */ color: oklch(49.0% 0.220 272.8);

Tailwind

colors: {
  custom: {
    50: '#897ae7',
    500: '#3f46da',
    950: '#000000',
  },
}

SCSS

$custom: #3f46da;
$custom-light: #897ae7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f46da",
  "rgb": {
    "r": 63,
    "g": 70,
    "b": 218
  },
  "hsl": {
    "h": 237.29,
    "s": 67.686,
    "l": 55.098
  },
  "oklch": {
    "l": 0.49041,
    "c": 0.22043,
    "h": 272.8
  },
  "luminance": 0.10499
}

Semantic roles & 50–950 ramp

primary

#3F46DA

secondary

#DBD89A

accent

#E33DEB

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0D0916

muted

#7E7B84

Preview Lab

Preview with #3F46DA

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

Preview Lab → · Contrast checker → · Palette generator →