#103F4A#103F4A

#103F4A is a dark, muted cyan. Relative luminance 0.042; OKLCH L 34.2% C 0.052 H 216.7°. Best body text is #FFFFFF at 11.46:1 contrast (WCAG AA passes).

Color values

HEX#103F4A
RGBrgb(16, 63, 74)
HSLhsl(191, 64%, 18%)
HSVhsv(191, 78%, 29%)
CMYKcmyk(78.4%, 14.9%, 0%, 71%)
CIE-LABlab(24.19, -11.34, -11.24)
CIE-LCHlch(24.19, 15.97, 224.76°)
OKLaboklab(34.2% -0.042 -0.0313)
OKLCHoklch(34.2% 0.052 216.7)
XYZxyz(3.2267, 4.1592, 7.1100)
Luminance0.0416 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#103F4A #4A1B10
analogous
#104A38 #103F4A #10224A
triadic
#103F4A #4A103F #3F4A10
tetradic
#103F4A #38104A #4A1B10 #224A10
square
#103F4A #38104A #4A1B10 #224A10
split-complementary
#103F4A #4A1022 #4A3810
monochromatic
#051519 #051519 #103F4A #1B6A7C #2695AF

Accessibility & contrast

On white

11.46
#103F4A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.83
#103F4A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103F4A
11.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##103F4A#FFFFFF#000000##FFFFFF
##103F4A1.0011.461.8311.46
#FFFFFF11.461.0021.001.00
#0000001.8321.001.0021.00
##FFFFFF11.461.0021.001.00

Color blindness preview

Protanopia (red-blind)
#383D4B
Deuteranopia (green-blind)
#30374A
Tritanopia (blue-blind)
#004342
Achromatopsia (no color)
#393939

Design tokens & code

CSS
--color: #103f4a;
/* rgb */ color: rgb(16, 63, 74);
/* oklch */ color: oklch(34.2% 0.052 216.7);
Tailwind
colors: {
  custom: {
    50: '#58747c',
    500: '#103f4a',
    950: '#000000',
  },
}
SCSS
$custom: #103f4a;
$custom-light: #58747c;
$custom-dark: #000000;
JSON
{
  "hex": "#103f4a",
  "rgb": {
    "r": 16,
    "g": 63,
    "b": 74
  },
  "hsl": {
    "h": 191.379,
    "s": 64.444,
    "l": 17.647
  },
  "oklch": {
    "l": 0.34195,
    "c": 0.05244,
    "h": 216.7
  },
  "luminance": 0.0416
}

Semantic roles & 50–950 ramp

primary
#103F4A
secondary
#844132
accent
#6040E7
background
#F5F7F7
surface
#E9EDEE
border
#C5C8C9
text
#040809
muted
#797B7B

Preview Lab

Preview with #103F4A

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

Preview Lab → · Contrast checker → · Palette generator →

#103F4A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva