#3F6ACF#3F6ACF

#3F6ACF is a mid, vivid blue. Relative luminance 0.159; OKLCH L 54.8% C 0.163 H 264.3°. Best body text is #FFFFFF at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#3F6ACF
RGB	rgb(63, 106, 207)
HSL	hsl(222, 60%, 53%)
HSV	hsv(222, 70%, 81%)
CMYK	cmyk(69.6%, 48.8%, 0%, 18.8%)
CIE-LAB	lab(46.80, 18.88, -56.70)
CIE-LCH	lch(46.80, 59.76, 288.42°)
OKLab	oklab(54.8% -0.0162 -0.1627)
OKLCH	oklch(54.8% 0.163 264.3)
XYZ	xyz(18.4625, 15.8679, 61.1092)
Luminance	0.1587 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F6ACF #CFA43F

analogous

#3FB2CF #3F6ACF #5C3FCF

triadic

#3F6ACF #CF3F6A #6ACF3F

tetradic

#3F6ACF #CF3FB2 #CFA43F #3FCF5C

square

#3F6ACF #CF3FB2 #CFA43F #3FCF5C

split-complementary

#3F6ACF #CF5C3F #B2CF3F

monochromatic

#1E3876 #2A4FA7 #3F6ACF #7090DB #A1B6E7

Accessibility & contrast

On white

5.03

#3F6ACF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#3F6ACF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F6ACF

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F6ACF	#FFFFFF	#000000	##FFFFFF
##3F6ACF	1.00	5.03	4.17	5.03
#FFFFFF	5.03	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3276D3

Deuteranopia (green-blind)

#0069CD

Tritanopia (blue-blind)

#008292

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #3f6acf;
/* rgb */ color: rgb(63, 106, 207);
/* oklch */ color: oklch(54.8% 0.163 264.3);

Tailwind

colors: {
  custom: {
    50: '#8594de',
    500: '#3f6acf',
    950: '#000000',
  },
}

SCSS

$custom: #3f6acf;
$custom-light: #8594de;
$custom-dark: #000000;

JSON

{
  "hex": "#3f6acf",
  "rgb": {
    "r": 63,
    "g": 106,
    "b": 207
  },
  "hsl": {
    "h": 222.083,
    "s": 60,
    "l": 52.941
  },
  "oklch": {
    "l": 0.54795,
    "c": 0.16347,
    "h": 264.3
  },
  "luminance": 0.1587
}

Semantic roles & 50–950 ramp

primary

#3F6ACF

secondary

#D4C196

accent

#B445E3

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3F6ACF

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

Preview Lab → · Contrast checker → · Palette generator →