#3F6EDE#3F6EDE

#3F6EDE is a mid, vivid blue. Relative luminance 0.175; OKLCH L 56.7% C 0.179 H 264.3°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#3F6EDE
RGB	rgb(63, 110, 222)
HSL	hsl(222, 71%, 56%)
HSV	hsv(222, 72%, 87%)
CMYK	cmyk(71.6%, 50.5%, 0%, 12.9%)
CIE-LAB	lab(48.86, 21.77, -61.91)
CIE-LCH	lch(48.86, 65.62, 289.38°)
OKLab	oklab(56.68% -0.0177 -0.1779)
OKLCH	oklch(56.68% 0.179 264.3)
XYZ	xyz(20.8060, 17.4803, 71.3706)
Luminance	0.1748 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F6EDE #DEAF3F

analogous

#3FBEDE #3F6EDE #5F3FDE

triadic

#3F6EDE #DE3F6E #6EDE3F

tetradic

#3F6EDE #DE3FBE #DEAF3F #3FDE5F

square

#3F6EDE #DE3FBE #DEAF3F #3FDE5F

split-complementary

#3F6EDE #DE5F3F #BEDE3F

monochromatic

#183A8B #2150BF #3F6EDE #7395E7 #A7BDF0

Accessibility & contrast

On white

4.67

#3F6EDE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#3F6EDE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3F6EDE

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F6EDE	#FFFFFF	#000000	##FFFFFF
##3F6EDE	1.00	4.67	4.50	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#297CE2

Deuteranopia (green-blind)

#006DDC

Tritanopia (blue-blind)

#00899B

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3f6ede;
/* rgb */ color: rgb(63, 110, 222);
/* oklch */ color: oklch(56.7% 0.179 264.3);

Tailwind

colors: {
  custom: {
    50: '#8797e9',
    500: '#3f6ede',
    950: '#000000',
  },
}

SCSS

$custom: #3f6ede;
$custom-light: #8797e9;
$custom-dark: #000000;

JSON

{
  "hex": "#3f6ede",
  "rgb": {
    "r": 63,
    "g": 110,
    "b": 222
  },
  "hsl": {
    "h": 222.264,
    "s": 70.667,
    "l": 55.882
  },
  "oklch": {
    "l": 0.56677,
    "c": 0.17882,
    "h": 264.3
  },
  "luminance": 0.17483
}

Semantic roles & 50–950 ramp

primary

#3F6EDE

secondary

#DDCA9B

accent

#B93AED

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #3F6EDE

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

Preview Lab → · Contrast checker → · Palette generator →