#3F486F#3F486F

#3F486F is a dark, moderate blue. Relative luminance 0.068; OKLCH L 41.2% C 0.067 H 273.3°. Best body text is #FFFFFF at 8.87:1 contrast (WCAG AA passes).

Color values

HEX	#3F486F
RGB	rgb(63, 72, 111)
HSL	hsl(229, 28%, 34%)
HSV	hsv(229, 43%, 44%)
CMYK	cmyk(43.2%, 35.1%, 0%, 56.5%)
CIE-LAB	lab(31.44, 7.44, -23.70)
CIE-LCH	lch(31.44, 24.84, 287.43°)
OKLab	oklab(41.16% 0.0038 -0.0664)
OKLCH	oklch(41.16% 0.067 273.3)
XYZ	xyz(7.2356, 6.8388, 15.9746)
Luminance	0.0684 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F486F #6F663F

analogous

#3F606F #3F486F #4E3F6F

triadic

#3F486F #6F3F48 #486F3F

tetradic

#3F486F #6F3F60 #6F663F #3F6F4E

square

#3F486F #6F3F60 #6F663F #3F6F4E

split-complementary

#3F486F #6F4E3F #606F3F

monochromatic

#131521 #292F48 #3F486F #556196 #7782B2

Accessibility & contrast

On white

8.87

#3F486F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#3F486F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F486F

8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F486F	#FFFFFF	#000000	##FFFFFF
##3F486F	1.00	8.87	2.37	8.87
#FFFFFF	8.87	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B4C71

Deuteranopia (green-blind)

#37486E

Tritanopia (blue-blind)

#305056

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3f486f;
/* rgb */ color: rgb(63, 72, 111);
/* oklch */ color: oklch(41.2% 0.067 273.3);

Tailwind

colors: {
  custom: {
    50: '#767a98',
    500: '#3f486f',
    950: '#000000',
  },
}

SCSS

$custom: #3f486f;
$custom-light: #767a98;
$custom-dark: #000000;

JSON

{
  "hex": "#3f486f",
  "rgb": {
    "r": 63,
    "g": 72,
    "b": 111
  },
  "hsl": {
    "h": 228.75,
    "s": 27.586,
    "l": 34.118
  },
  "oklch": {
    "l": 0.41163,
    "c": 0.0665,
    "h": 273.3
  },
  "luminance": 0.06839
}

Semantic roles & 50–950 ramp

primary

#3F486F

secondary

#9C946D

accent

#B264C4

background

#F7F7F9

surface

#EDEDF2

border

#C8C8CC

text

#09090D

muted

#7B7B7E

Preview Lab

Preview with #3F486F

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

Preview Lab → · Contrast checker → · Palette generator →