#3F7EAE#3F7EAE

#3F7EAE is a mid, moderate cyan. Relative luminance 0.190; OKLCH L 57.3% C 0.099 H 243.8°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX#3F7EAE
RGBrgb(63, 126, 174)
HSLhsl(206, 47%, 46%)
HSVhsv(206, 64%, 68%)
CMYKcmyk(63.8%, 27.6%, 0%, 31.8%)
CIE-LABlab(50.73, -5.08, -31.47)
CIE-LCHlch(50.73, 31.88, 260.83°)
OKLaboklab(57.26% -0.0436 -0.0886)
OKLCHoklch(57.26% 0.099 243.8)
XYZxyz(17.1479, 19.0328, 42.8062)
Luminance0.1903 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F7EAE #AE6F3F
analogous
#3FAEA7 #3F7EAE #3F47AE
triadic
#3F7EAE #AE3F7E #7EAE3F
tetradic
#3F7EAE #A73FAE #AE6F3F #47AE3F
square
#3F7EAE #A73FAE #AE6F3F #47AE3F
split-complementary
#3F7EAE #AE3F47 #AEA73F
monochromatic
#1E3D54 #2F5D81 #3F7EAE #649CC7 #90B8D7

Accessibility & contrast

On white

4.37
#3F7EAE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.81
#3F7EAE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7EAE
4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F7EAE#FFFFFF#000000##000000
##3F7EAE1.004.374.814.81
#FFFFFF4.371.0021.0021.00
#0000004.8121.001.001.00
##0000004.8121.001.001.00

Color blindness preview

Protanopia (red-blind)
#697FB0
Deuteranopia (green-blind)
#5A74AD
Tritanopia (blue-blind)
#008A8F
Achromatopsia (no color)
#797979

Design tokens & code

CSS
--color: #3f7eae;
/* rgb */ color: rgb(63, 126, 174);
/* oklch */ color: oklch(57.3% 0.099 243.8);
Tailwind
colors: {
  custom: {
    50: '#7fa3c6',
    500: '#3f7eae',
    950: '#000000',
  },
}
SCSS
$custom: #3f7eae;
$custom-light: #7fa3c6;
$custom-dark: #000000;
JSON
{
  "hex": "#3f7eae",
  "rgb": {
    "r": 63,
    "g": 126,
    "b": 174
  },
  "hsl": {
    "h": 205.946,
    "s": 46.835,
    "l": 46.471
  },
  "oklch": {
    "l": 0.5726,
    "c": 0.09874,
    "h": 243.8
  },
  "luminance": 0.19034
}

Semantic roles & 50–950 ramp

primary
#3F7EAE
secondary
#C2A087
accent
#8B51D6
background
#F8FAFC
surface
#EFF3F8
border
#CACDD1
text
#0B0F13
muted
#7C7F82

Preview Lab

Preview with #3F7EAE

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

Preview Lab → · Contrast checker → · Palette generator →

#3F7EAE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva