#3F486E#3F486E

#3F486E is a dark, moderate blue. Relative luminance 0.068; OKLCH L 41.1% C 0.065 H 273.1°. Best body text is #FFFFFF at 8.89:1 contrast (WCAG AA passes).

Color values

HEX#3F486E
RGBrgb(63, 72, 110)
HSLhsl(229, 27%, 34%)
HSVhsv(229, 43%, 43%)
CMYKcmyk(42.7%, 34.5%, 0%, 56.9%)
CIE-LABlab(31.39, 7.12, -23.14)
CIE-LCHlch(31.39, 24.22, 287.10°)
OKLaboklab(41.11% 0.0035 -0.0648)
OKLCHoklch(41.11% 0.065 273.1)
XYZxyz(7.1809, 6.8169, 15.6863)
Luminance0.0682 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F486E #6E653F
analogous
#3F606E #3F486E #4E3F6E
triadic
#3F486E #6E3F48 #486E3F
tetradic
#3F486E #6E3F60 #6E653F #3F6E4E
square
#3F486E #6E3F60 #6E653F #3F6E4E
split-complementary
#3F486E #6E4E3F #606E3F
monochromatic
#121520 #292F47 #3F486E #556195 #7782B1

Accessibility & contrast

On white

8.89
#3F486E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.36
#3F486E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F486E
8.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F486E#FFFFFF#000000##FFFFFF
##3F486E1.008.892.368.89
#FFFFFF8.891.0021.001.00
#0000002.3621.001.0021.00
##FFFFFF8.891.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3B4C70
Deuteranopia (green-blind)
#37486D
Tritanopia (blue-blind)
#305056
Achromatopsia (no color)
#4A4A4A

Design tokens & code

CSS
--color: #3f486e;
/* rgb */ color: rgb(63, 72, 110);
/* oklch */ color: oklch(41.1% 0.065 273.1);
Tailwind
colors: {
  custom: {
    50: '#767a97',
    500: '#3f486e',
    950: '#000000',
  },
}
SCSS
$custom: #3f486e;
$custom-light: #767a97;
$custom-dark: #000000;
JSON
{
  "hex": "#3f486e",
  "rgb": {
    "r": 63,
    "g": 72,
    "b": 110
  },
  "hsl": {
    "h": 228.511,
    "s": 27.168,
    "l": 33.922
  },
  "oklch": {
    "l": 0.41107,
    "c": 0.06488,
    "h": 273.1
  },
  "luminance": 0.06817
}

Semantic roles & 50–950 ramp

primary
#3F486E
secondary
#9C936D
accent
#B164C4
background
#F7F7F9
surface
#EDEDF2
border
#C8C8CC
text
#09090D
muted
#7B7B7E

Preview Lab

Preview with #3F486E

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

Preview Lab → · Contrast checker → · Palette generator →

#3F486E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva