#3F6FCE#3F6FCE

#3F6FCE is a mid, vivid blue. Relative luminance 0.169; OKLCH L 55.8% C 0.156 H 262.4°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#3F6FCE
RGB	rgb(63, 111, 206)
HSL	hsl(220, 59%, 53%)
HSV	hsv(220, 69%, 81%)
CMYK	cmyk(69.4%, 46.1%, 0%, 19.2%)
CIE-LAB	lab(48.11, 15.36, -54.02)
CIE-LCH	lch(48.11, 56.16, 285.87°)
OKLab	oklab(55.78% -0.0208 -0.1547)
OKLCH	oklch(55.78% 0.156 262.4)
XYZ	xyz(18.8710, 16.8799, 60.6442)
Luminance	0.1688 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F6FCE #CE9E3F

analogous

#3FB7CE #3F6FCE #563FCE

triadic

#3F6FCE #CE3F6F #6FCE3F

tetradic

#3F6FCE #CE3FB7 #CE9E3F #3FCE56

square

#3F6FCE #CE3FB7 #CE9E3F #3FCE56

split-complementary

#3F6FCE #CE563F #B7CE3F

monochromatic

#1E3B75 #2A54A6 #3F6FCE #7094DA #A1B8E7

Accessibility & contrast

On white

4.80

#3F6FCE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#3F6FCE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F6FCE

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F6FCE	#FFFFFF	#000000	##FFFFFF
##3F6FCE	1.00	4.80	4.38	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E79D2

Deuteranopia (green-blind)

#206CCC

Tritanopia (blue-blind)

#008594

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3f6fce;
/* rgb */ color: rgb(63, 111, 206);
/* oklch */ color: oklch(55.8% 0.156 262.4);

Tailwind

colors: {
  custom: {
    50: '#8497dd',
    500: '#3f6fce',
    950: '#000000',
  },
}

SCSS

$custom: #3f6fce;
$custom-light: #8497dd;
$custom-dark: #000000;

JSON

{
  "hex": "#3f6fce",
  "rgb": {
    "r": 63,
    "g": 111,
    "b": 206
  },
  "hsl": {
    "h": 219.86,
    "s": 59.336,
    "l": 52.745
  },
  "oklch": {
    "l": 0.55776,
    "c": 0.15611,
    "h": 262.4
  },
  "luminance": 0.16882
}

Semantic roles & 50–950 ramp

primary

#3F6FCE

secondary

#D3BF95

accent

#AE45E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3F6FCE

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

Preview Lab → · Contrast checker → · Palette generator →