#3F56AE#3F56AE

#3F56AE is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.3% C 0.143 H 269.4°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#3F56AE
RGB	rgb(63, 86, 174)
HSL	hsl(228, 47%, 46%)
HSV	hsv(228, 64%, 68%)
CMYK	cmyk(63.8%, 50.6%, 0%, 31.8%)
CIE-LAB	lab(39.19, 19.85, -49.78)
CIE-LCH	lch(39.19, 53.59, 291.74°)
OKLab	oklab(48.31% -0.0014 -0.1426)
OKLCH	oklch(48.31% 0.143 269.4)
XYZ	xyz(13.0151, 10.7672, 41.4286)
Luminance	0.1077 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F56AE #AE973F

analogous

#3F8EAE #3F56AE #603FAE

triadic

#3F56AE #AE3F56 #56AE3F

tetradic

#3F56AE #AE3F8E #AE973F #3FAE60

square

#3F56AE #AE3F8E #AE973F #3FAE60

split-complementary

#3F56AE #AE603F #8EAE3F

monochromatic

#1E2A54 #2F4081 #3F56AE #6478C7 #909FD7

Accessibility & contrast

On white

6.66

#3F56AE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#3F56AE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F56AE

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F56AE	#FFFFFF	#000000	##FFFFFF
##3F56AE	1.00	6.66	3.15	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2562B1

Deuteranopia (green-blind)

#0658AC

Tritanopia (blue-blind)

#006A7A

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3f56ae;
/* rgb */ color: rgb(63, 86, 174);
/* oklch */ color: oklch(48.3% 0.143 269.4);

Tailwind

colors: {
  custom: {
    50: '#7f85c7',
    500: '#3f56ae',
    950: '#000000',
  },
}

SCSS

$custom: #3f56ae;
$custom-light: #7f85c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f56ae",
  "rgb": {
    "r": 63,
    "g": 86,
    "b": 174
  },
  "hsl": {
    "h": 227.568,
    "s": 46.835,
    "l": 46.471
  },
  "oklch": {
    "l": 0.48307,
    "c": 0.14262,
    "h": 269.4
  },
  "luminance": 0.10768
}

Semantic roles & 50–950 ramp

primary

#3F56AE

secondary

#C2B687

accent

#BB51D6

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #3F56AE

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

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