#105A6F#105A6F

#105A6F is a dark, moderate cyan. Relative luminance 0.086; OKLCH L 43.5% C 0.075 H 222.5°. Best body text is #FFFFFF at 7.74:1 contrast (WCAG AA passes).

Color values

HEX#105A6F
RGBrgb(16, 90, 111)
HSLhsl(193, 75%, 25%)
HSVhsv(193, 86%, 44%)
CMYKcmyk(85.6%, 18.9%, 0%, 56.5%)
CIE-LABlab(35.14, -13.50, -18.10)
CIE-LCHlch(35.14, 22.58, 233.27°)
OKLaboklab(43.53% -0.0554 -0.0507)
OKLCHoklch(43.53% 0.075 222.5)
XYZxyz(6.7379, 8.5693, 16.3348)
Luminance0.0857 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#105A6F #6F2510
analogous
#106F54 #105A6F #102B6F
triadic
#105A6F #6F105A #5A6F10
tetradic
#105A6F #54106F #6F2510 #2B6F10
square
#105A6F #54106F #6F2510 #2B6F10
split-complementary
#105A6F #6F102B #6F5410
monochromatic
#04161B #082F3A #105A6F #1885A4 #1FB1DA

Accessibility & contrast

On white

7.74
#105A6F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.71
#105A6F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #105A6F
7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##105A6F#FFFFFF#000000##FFFFFF
##105A6F1.007.742.717.74
#FFFFFF7.741.0021.001.00
#0000002.7121.001.0021.00
##FFFFFF7.741.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4E5870
Deuteranopia (green-blind)
#414F6F
Tritanopia (blue-blind)
#006061
Achromatopsia (no color)
#535353

Design tokens & code

CSS
--color: #105a6f;
/* rgb */ color: rgb(16, 90, 111);
/* oklch */ color: oklch(43.5% 0.075 222.5);
Tailwind
colors: {
  custom: {
    50: '#618898',
    500: '#105a6f',
    950: '#000000',
  },
}
SCSS
$custom: #105a6f;
$custom-light: #618898;
$custom-dark: #000000;
JSON
{
  "hex": "#105a6f",
  "rgb": {
    "r": 16,
    "g": 90,
    "b": 111
  },
  "hsl": {
    "h": 193.263,
    "s": 74.803,
    "l": 24.902
  },
  "oklch": {
    "l": 0.43531,
    "c": 0.07516,
    "h": 222.5
  },
  "luminance": 0.0857
}

Semantic roles & 50–950 ramp

primary
#105A6F
secondary
#A74D34
accent
#6036F1
background
#F6F8F9
surface
#EBF0F2
border
#C6CBCC
text
#060B0D
muted
#7A7C7E

Preview Lab

Preview with #105A6F

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

Preview Lab → · Contrast checker → · Palette generator →

#105A6F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva