#3F596E#3F596E

#3F596E is a mid, muted cyan. Relative luminance 0.093; OKLCH L 45.2% C 0.047 H 243.4°. Best body text is #FFFFFF at 7.33:1 contrast (WCAG AA passes).

Color values

HEX#3F596E
RGBrgb(63, 89, 110)
HSLhsl(207, 27%, 34%)
HSVhsv(207, 43%, 43%)
CMYKcmyk(42.7%, 19.1%, 0%, 56.9%)
CIE-LABlab(36.61, -3.72, -15.07)
CIE-LCHlch(36.61, 15.52, 256.14°)
OKLaboklab(45.19% -0.0209 -0.0417)
OKLCHoklch(45.19% 0.047 243.4)
XYZxyz(8.4358, 9.3268, 16.1046)
Luminance0.0933 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F596E #6E543F
analogous
#3F6E6C #3F596E #3F426E
triadic
#3F596E #6E3F59 #596E3F
tetradic
#3F596E #6C3F6E #6E543F #426E3F
square
#3F596E #6C3F6E #6E543F #426E3F
split-complementary
#3F596E #6E3F42 #6E6C3F
monochromatic
#121A20 #293A47 #3F596E #557895 #7797B1

Accessibility & contrast

On white

7.33
#3F596E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.87
#3F596E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F596E
7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F596E#FFFFFF#000000##FFFFFF
##3F596E1.007.332.877.33
#FFFFFF7.331.0021.001.00
#0000002.8721.001.0021.00
##FFFFFF7.331.0021.001.00

Color blindness preview

Protanopia (red-blind)
#50596F
Deuteranopia (green-blind)
#4A546E
Tritanopia (blue-blind)
#2E5E60
Achromatopsia (no color)
#565656

Design tokens & code

CSS
--color: #3f596e;
/* rgb */ color: rgb(63, 89, 110);
/* oklch */ color: oklch(45.2% 0.047 243.4);
Tailwind
colors: {
  custom: {
    50: '#768797',
    500: '#3f596e',
    950: '#000000',
  },
}
SCSS
$custom: #3f596e;
$custom-light: #768797;
$custom-dark: #000000;
JSON
{
  "hex": "#3f596e",
  "rgb": {
    "r": 63,
    "g": 89,
    "b": 110
  },
  "hsl": {
    "h": 206.809,
    "s": 27.168,
    "l": 33.922
  },
  "oklch": {
    "l": 0.45187,
    "c": 0.04661,
    "h": 243.4
  },
  "luminance": 0.09327
}

Semantic roles & 50–950 ramp

primary
#3F596E
secondary
#9C826D
accent
#8F64C4
background
#F7F8F9
surface
#EDEFF2
border
#C8CACC
text
#090B0D
muted
#7B7C7E

Preview Lab

Preview with #3F596E

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

Preview Lab → · Contrast checker → · Palette generator →

#3F596E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva