#103F3B#103F3B

#103F3B is a dark, muted teal. Relative luminance 0.040; OKLCH L 33.5% C 0.050 H 187.0°. Best body text is #FFFFFF at 11.69:1 contrast (WCAG AA passes).

Color values

HEX#103F3B
RGBrgb(16, 63, 59)
HSLhsl(175, 59%, 15%)
HSVhsv(175, 75%, 25%)
CMYKcmyk(74.6%, 0%, 6.3%, 75.3%)
CIE-LABlab(23.61, -16.66, -2.16)
CIE-LCHlch(23.61, 16.80, 187.39°)
OKLaboklab(33.53% -0.0497 -0.0061)
OKLCHoklch(33.53% 0.05 187)
XYZxyz(2.7802, 3.9806, 4.7586)
Luminance0.0398 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#103F3B #3F1014
analogous
#103F23 #103F3B #102B3F
triadic
#103F3B #3B103F #3F3B10
tetradic
#103F3B #23103F #3F1014 #2B3F10
square
#103F3B #23103F #3F1014 #2B3F10
split-complementary
#103F3B #3F102B #3F2310
monochromatic
#061817 #061817 #103F3B #1C7069 #29A196

Accessibility & contrast

On white

11.69
#103F3B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.80
#103F3B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103F3B
11.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##103F3B#FFFFFF#000000##FFFFFF
##103F3B1.0011.691.8011.69
#FFFFFF11.691.0021.001.00
#0000001.8021.001.0021.00
##FFFFFF11.691.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3B3B3B
Deuteranopia (green-blind)
#34363B
Tritanopia (blue-blind)
#00413E
Achromatopsia (no color)
#383838

Design tokens & code

CSS
--color: #103f3b;
/* rgb */ color: rgb(16, 63, 59);
/* oklch */ color: oklch(33.5% 0.050 187.0);
Tailwind
colors: {
  custom: {
    50: '#567470',
    500: '#103f3b',
    950: '#000000',
  },
}
SCSS
$custom: #103f3b;
$custom-light: #567470;
$custom-dark: #000000;
JSON
{
  "hex": "#103f3b",
  "rgb": {
    "r": 16,
    "g": 63,
    "b": 59
  },
  "hsl": {
    "h": 174.894,
    "s": 59.494,
    "l": 15.49
  },
  "oklch": {
    "l": 0.3353,
    "c": 0.05006,
    "h": 187
  },
  "luminance": 0.03981
}

Semantic roles & 50–950 ramp

primary
#103F3B
secondary
#793238
accent
#4553E3
background
#F5F7F6
surface
#E9EDEC
border
#C5C8C7
text
#030807
muted
#787B7A

Preview Lab

Preview with #103F3B

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

Preview Lab → · Contrast checker → · Palette generator →

#103F3B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva