#3F6CD6#3F6CD6

#3F6CD6 is a mid, vivid blue. Relative luminance 0.166; OKLCH L 55.7% C 0.171 H 264.3°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#3F6CD6
RGB	rgb(63, 108, 214)
HSL	hsl(222, 65%, 54%)
HSV	hsv(222, 71%, 84%)
CMYK	cmyk(70.6%, 49.5%, 0%, 16.1%)
CIE-LAB	lab(47.80, 20.14, -59.08)
CIE-LCH	lch(47.80, 62.42, 288.82°)
OKLab	oklab(55.7% -0.017 -0.1697)
OKLCH	oklch(55.7% 0.171 264.3)
XYZ	xyz(19.5458, 16.6349, 65.7861)
Luminance	0.1664 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F6CD6 #D6A93F

analogous

#3FB8D6 #3F6CD6 #5E3FD6

triadic

#3F6CD6 #D63F6C #6CD63F

tetradic

#3F6CD6 #D63FB8 #D6A93F #3FD65E

square

#3F6CD6 #D63FB8 #D6A93F #3FD65E

split-complementary

#3F6CD6 #D65E3F #B8D63F

monochromatic

#1B397F #2650B2 #3F6CD6 #7193E1 #A4B9EC

Accessibility & contrast

On white

4.85

#3F6CD6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#3F6CD6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F6CD6

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F6CD6	#FFFFFF	#000000	##FFFFFF
##3F6CD6	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E79DA

Deuteranopia (green-blind)

#006BD4

Tritanopia (blue-blind)

#008597

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3f6cd6;
/* rgb */ color: rgb(63, 108, 214);
/* oklch */ color: oklch(55.7% 0.171 264.3);

Tailwind

colors: {
  custom: {
    50: '#8695e3',
    500: '#3f6cd6',
    950: '#000000',
  },
}

SCSS

$custom: #3f6cd6;
$custom-light: #8695e3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f6cd6",
  "rgb": {
    "r": 63,
    "g": 108,
    "b": 214
  },
  "hsl": {
    "h": 222.119,
    "s": 64.807,
    "l": 54.314
  },
  "oklch": {
    "l": 0.557,
    "c": 0.17052,
    "h": 264.3
  },
  "luminance": 0.16637
}

Semantic roles & 50–950 ramp

primary

#3F6CD6

secondary

#D8C598

accent

#B640E8

background

#F8F9FE

surface

#F0F1FC

border

#CBCBD5

text

#0D0D15

muted

#7D7E84

Preview Lab

Preview with #3F6CD6

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

Preview Lab → · Contrast checker → · Palette generator →