#3F46DE#3F46DE

#3F46DE is a mid, highly saturated blue. Relative luminance 0.107; OKLCH L 49.4% C 0.225 H 272.6°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#3F46DE
RGB	rgb(63, 70, 222)
HSL	hsl(237, 71%, 56%)
HSV	hsv(237, 72%, 87%)
CMYK	cmyk(71.6%, 68.5%, 0%, 12.9%)
CIE-LAB	lab(39.09, 46.58, -77.84)
CIE-LCH	lch(39.09, 90.71, 300.90°)
OKLab	oklab(49.42% 0.0103 -0.2251)
OKLCH	oklch(49.42% 0.225 272.6)
XYZ	xyz(17.4204, 10.7092, 70.2421)
Luminance	0.1071 (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

#3F46DE #DED73F

analogous

#3F96DE #3F46DE #873FDE

triadic

#3F46DE #DE3F46 #46DE3F

tetradic

#3F46DE #DE3F96 #DED73F #3FDE87

square

#3F46DE #DE3F96 #DED73F #3FDE87

split-complementary

#3F46DE #DE873F #96DE3F

monochromatic

#181D8B #2128BF #3F46DE #7378E7 #A7ABF0

Accessibility & contrast

On white

6.68

#3F46DE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#3F46DE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F46DE

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F46DE	#FFFFFF	#000000	##FFFFFF
##3F46DE	1.00	6.68	3.14	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064E3

Deuteranopia (green-blind)

#0054DB

Tritanopia (blue-blind)

#00708D

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3f46de;
/* rgb */ color: rgb(63, 70, 222);
/* oklch */ color: oklch(49.4% 0.225 272.6);

Tailwind

colors: {
  custom: {
    50: '#8a7aea',
    500: '#3f46de',
    950: '#000000',
  },
}

SCSS

$custom: #3f46de;
$custom-light: #8a7aea;
$custom-dark: #000000;

JSON

{
  "hex": "#3f46de",
  "rgb": {
    "r": 63,
    "g": 70,
    "b": 222
  },
  "hsl": {
    "h": 237.358,
    "s": 70.667,
    "l": 55.882
  },
  "oklch": {
    "l": 0.49416,
    "c": 0.22533,
    "h": 272.6
  },
  "luminance": 0.10711
}

Semantic roles & 50–950 ramp

primary

#3F46DE

secondary

#DDDA9B

accent

#E63AED

background

#F9F7FE

surface

#F2EEFD

border

#CCC9D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #3F46DE

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

Preview Lab → · Contrast checker → · Palette generator →