#105B5B#105B5B

#105B5B is a dark, moderate teal. Relative luminance 0.083; OKLCH L 42.9% C 0.068 H 194.9°. Best body text is #FFFFFF at 7.87:1 contrast (WCAG AA passes).

Color values

HEX#105B5B
RGBrgb(16, 91, 91)
HSLhsl(180, 70%, 21%)
HSVhsv(180, 82%, 36%)
CMYKcmyk(82.4%, 0%, 0%, 64.3%)
CIE-LABlab(34.70, -21.19, -6.30)
CIE-LCHlch(34.70, 22.11, 196.56°)
OKLaboklab(42.91% -0.0658 -0.0175)
OKLCHoklch(42.91% 0.068 194.9)
XYZxyz(5.8422, 8.3469, 11.1987)
Luminance0.0835 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#105B5B #5B1010
analogous
#105B35 #105B5B #10355B
triadic
#105B5B #5B105B #5B5B10
tetradic
#105B5B #35105B #5B1010 #355B10
square
#105B5B #35105B #5B1010 #355B10
split-complementary
#105B5B #5B1035 #5B3510
monochromatic
#051A1A #072727 #105B5B #198F8F #22C3C3

Accessibility & contrast

On white

7.87
#105B5B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.67
#105B5B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #105B5B
7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##105B5B#FFFFFF#000000##FFFFFF
##105B5B1.007.872.677.87
#FFFFFF7.871.0021.001.00
#0000002.6721.001.0021.00
##FFFFFF7.871.0021.001.00

Color blindness preview

Protanopia (red-blind)
#54565B
Deuteranopia (green-blind)
#4A4E5B
Tritanopia (blue-blind)
#005E5B
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #105b5b;
/* rgb */ color: rgb(16, 91, 91);
/* oklch */ color: oklch(42.9% 0.068 194.9);
Tailwind
colors: {
  custom: {
    50: '#5e8a89',
    500: '#105b5b',
    950: '#000000',
  },
}
SCSS
$custom: #105b5b;
$custom-light: #5e8a89;
$custom-dark: #000000;
JSON
{
  "hex": "#105b5b",
  "rgb": {
    "r": 16,
    "g": 91,
    "b": 91
  },
  "hsl": {
    "h": 180,
    "s": 70.093,
    "l": 20.98
  },
  "oklch": {
    "l": 0.42909,
    "c": 0.06811,
    "h": 194.9
  },
  "luminance": 0.08348
}

Semantic roles & 50–950 ramp

primary
#105B5B
secondary
#943333
accent
#3B3BED
background
#F5F8F8
surface
#EAF0F0
border
#C6CBCB
text
#050B0B
muted
#797C7C

Preview Lab

Preview with #105B5B

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

Preview Lab → · Contrast checker → · Palette generator →

#105B5B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva