#3F6E8A#3F6E8A

#3F6E8A is a mid, moderate cyan. Relative luminance 0.140; OKLCH L 51.7% C 0.068 H 236.3°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX#3F6E8A
RGBrgb(63, 110, 138)
HSLhsl(202, 37%, 39%)
HSVhsv(202, 54%, 54%)
CMYKcmyk(54.3%, 20.3%, 0%, 45.9%)
CIE-LABlab(44.29, -7.59, -20.29)
CIE-LCHlch(44.29, 21.67, 249.50°)
OKLaboklab(51.65% -0.0377 -0.0565)
OKLCHoklch(51.65% 0.068 236.3)
XYZxyz(12.2116, 14.0426, 26.1068)
Luminance0.1404 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F6E8A #8A5B3F
analogous
#3F8A81 #3F6E8A #3F498A
triadic
#3F6E8A #8A3F6E #6E8A3F
tetradic
#3F6E8A #813F8A #8A5B3F #498A3F
square
#3F6E8A #813F8A #8A5B3F #498A3F
split-complementary
#3F6E8A #8A3F49 #8A813F
monochromatic
#192B36 #2C4D60 #3F6E8A #558FB1 #7FABC5

Accessibility & contrast

On white

5.51
#3F6E8A on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.81
#3F6E8A on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F6E8A
5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F6E8A#FFFFFF#000000##FFFFFF
##3F6E8A1.005.513.815.51
#FFFFFF5.511.0021.001.00
#0000003.8121.001.0021.00
##FFFFFF5.511.0021.001.00

Color blindness preview

Protanopia (red-blind)
#616D8B
Deuteranopia (green-blind)
#57658A
Tritanopia (blue-blind)
#107577
Achromatopsia (no color)
#696969

Design tokens & code

CSS
--color: #3f6e8a;
/* rgb */ color: rgb(63, 110, 138);
/* oklch */ color: oklch(51.7% 0.068 236.3);
Tailwind
colors: {
  custom: {
    50: '#7a97ac',
    500: '#3f6e8a',
    950: '#000000',
  },
}
SCSS
$custom: #3f6e8a;
$custom-light: #7a97ac;
$custom-dark: #000000;
JSON
{
  "hex": "#3f6e8a",
  "rgb": {
    "r": 63,
    "g": 110,
    "b": 138
  },
  "hsl": {
    "h": 202.4,
    "s": 37.313,
    "l": 39.412
  },
  "oklch": {
    "l": 0.51652,
    "c": 0.06796,
    "h": 236.3
  },
  "luminance": 0.14044
}

Semantic roles & 50–950 ramp

primary
#3F6E8A
secondary
#AF8B76
accent
#855BCD
background
#F7F9FA
surface
#EEF2F4
border
#C9CCCE
text
#090D10
muted
#7B7E7F

Preview Lab

Preview with #3F6E8A

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

Preview Lab → · Contrast checker → · Palette generator →

#3F6E8A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva