#105A5A#105A5A

#105A5A is a dark, moderate teal. Relative luminance 0.082; OKLCH L 42.6% C 0.067 H 194.9°. Best body text is #FFFFFF at 7.98:1 contrast (WCAG AA passes).

Color values

HEX	#105A5A
RGB	rgb(16, 90, 90)
HSL	hsl(180, 70%, 21%)
HSV	hsv(180, 82%, 35%)
CMYK	cmyk(82.2%, 0%, 0%, 64.7%)
CIE-LAB	lab(34.31, -20.99, -6.24)
CIE-LCH	lch(34.31, 21.90, 196.56°)
OKLab	oklab(42.59% -0.0652 -0.0174)
OKLCH	oklch(42.59% 0.067 194.9)
XYZ	xyz(5.7145, 8.1600, 10.9447)
Luminance	0.0816 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#105A5A #5A1010

analogous

#105A35 #105A5A #10355A

triadic

#105A5A #5A105A #5A5A10

tetradic

#105A5A #35105A #5A1010 #355A10

square

#105A5A #35105A #5A1010 #355A10

split-complementary

#105A5A #5A1035 #5A3510

monochromatic

#051A1A #072626 #105A5A #198E8E #22C2C2

Accessibility & contrast

On white

7.98

#105A5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#105A5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #105A5A

7.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##105A5A	#FFFFFF	#000000	##FFFFFF
##105A5A	1.00	7.98	2.63	7.98
#FFFFFF	7.98	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#53555A

Deuteranopia (green-blind)

#494D5A

Tritanopia (blue-blind)

#005D5A

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #105a5a;
/* rgb */ color: rgb(16, 90, 90);
/* oklch */ color: oklch(42.6% 0.067 194.9);

Tailwind

colors: {
  custom: {
    50: '#5e8988',
    500: '#105a5a',
    950: '#000000',
  },
}

SCSS

$custom: #105a5a;
$custom-light: #5e8988;
$custom-dark: #000000;

JSON

{
  "hex": "#105a5a",
  "rgb": {
    "r": 16,
    "g": 90,
    "b": 90
  },
  "hsl": {
    "h": 180,
    "s": 69.811,
    "l": 20.784
  },
  "oklch": {
    "l": 0.42588,
    "c": 0.06749,
    "h": 194.9
  },
  "luminance": 0.08161
}

Semantic roles & 50–950 ramp

primary

#105A5A

secondary

#933333

accent

#3B3BED

background

#F5F8F8

surface

#EAF0EF

border

#C6CBCA

text

#050B0B

muted

#797C7C

Preview Lab

Preview with #105A5A

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

Preview Lab → · Contrast checker → · Palette generator →