#3F6ACC#3F6ACC

#3F6ACC is a mid, vivid blue. Relative luminance 0.157; OKLCH L 54.6% C 0.159 H 264.0°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#3F6ACC
RGB	rgb(63, 106, 204)
HSL	hsl(222, 58%, 52%)
HSV	hsv(222, 69%, 80%)
CMYK	cmyk(69.1%, 48%, 0%, 20%)
CIE-LAB	lab(46.61, 17.79, -55.29)
CIE-LCH	lch(46.61, 58.08, 287.84°)
OKLab	oklab(54.59% -0.0166 -0.1585)
OKLCH	oklch(54.59% 0.159 264)
XYZ	xyz(18.0992, 15.7226, 59.1960)
Luminance	0.1572 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F6ACC #CCA13F

analogous

#3FB1CC #3F6ACC #5A3FCC

triadic

#3F6ACC #CC3F6A #6ACC3F

tetradic

#3F6ACC #CC3FB1 #CCA13F #3FCC5A

square

#3F6ACC #CC3FB1 #CCA13F #3FCC5A

split-complementary

#3F6ACC #CC5A3F #B1CC3F

monochromatic

#1E3872 #2B50A3 #3F6ACC #6F90D9 #A0B5E6

Accessibility & contrast

On white

5.07

#3F6ACC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#3F6ACC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F6ACC

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F6ACC	#FFFFFF	#000000	##FFFFFF
##3F6ACC	1.00	5.07	4.14	5.07
#FFFFFF	5.07	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3575D0

Deuteranopia (green-blind)

#0F68CA

Tritanopia (blue-blind)

#008191

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #3f6acc;
/* rgb */ color: rgb(63, 106, 204);
/* oklch */ color: oklch(54.6% 0.159 264.0);

Tailwind

colors: {
  custom: {
    50: '#8494dc',
    500: '#3f6acc',
    950: '#000000',
  },
}

SCSS

$custom: #3f6acc;
$custom-light: #8494dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3f6acc",
  "rgb": {
    "r": 63,
    "g": 106,
    "b": 204
  },
  "hsl": {
    "h": 221.702,
    "s": 58.025,
    "l": 52.353
  },
  "oklch": {
    "l": 0.54586,
    "c": 0.15939,
    "h": 264
  },
  "luminance": 0.15724
}

Semantic roles & 50–950 ramp

primary

#3F6ACC

secondary

#D2BF95

accent

#B247E1

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3F6ACC

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

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