#3F709D#3F709D

#3F709D is a mid, moderate cyan. Relative luminance 0.151; OKLCH L 53.1% C 0.089 H 247.9°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX#3F709D
RGBrgb(63, 112, 157)
HSLhsl(209, 43%, 43%)
HSVhsv(209, 60%, 62%)
CMYKcmyk(59.9%, 28.7%, 0%, 38.4%)
CIE-LABlab(45.74, -2.52, -29.33)
CIE-LCHlch(45.74, 29.44, 265.08°)
OKLaboklab(53.07% -0.0335 -0.0825)
OKLCHoklch(53.07% 0.089 247.9)
XYZxyz(13.9277, 15.0782, 34.0682)
Luminance0.1508 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F709D #9D6C3F
analogous
#3F9D9B #3F709D #3F419D
triadic
#3F709D #9D3F70 #709D3F
tetradic
#3F709D #9B3F9D #9D6C3F #419D3F
square
#3F709D #9B3F9D #9D6C3F #419D3F
split-complementary
#3F709D #9D3F41 #9D9B3F
monochromatic
#1C3246 #2D5171 #3F709D #5C8FBD #87ADCF

Accessibility & contrast

On white

5.23
#3F709D on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.02
#3F709D on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F709D
5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F709D#FFFFFF#000000##FFFFFF
##3F709D1.005.234.025.23
#FFFFFF5.231.0021.001.00
#0000004.0221.001.0021.00
##FFFFFF5.231.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5D719F
Deuteranopia (green-blind)
#50689C
Tritanopia (blue-blind)
#007B80
Achromatopsia (no color)
#6C6C6C

Design tokens & code

CSS
--color: #3f709d;
/* rgb */ color: rgb(63, 112, 157);
/* oklch */ color: oklch(53.1% 0.089 247.9);
Tailwind
colors: {
  custom: {
    50: '#7c98ba',
    500: '#3f709d',
    950: '#000000',
  },
}
SCSS
$custom: #3f709d;
$custom-light: #7c98ba;
$custom-dark: #000000;
JSON
{
  "hex": "#3f709d",
  "rgb": {
    "r": 63,
    "g": 112,
    "b": 157
  },
  "hsl": {
    "h": 208.723,
    "s": 42.727,
    "l": 43.137
  },
  "oklch": {
    "l": 0.53071,
    "c": 0.08902,
    "h": 247.9
  },
  "luminance": 0.15079
}

Semantic roles & 50–950 ramp

primary
#3F709D
secondary
#BA9B7E
accent
#9155D3
background
#F7F9FB
surface
#EEF2F6
border
#C9CCD0
text
#0A0D11
muted
#7C7E80

Preview Lab

Preview with #3F709D

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

Preview Lab → · Contrast checker → · Palette generator →

#3F709D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva