#105C5A#105C5A

#105C5A is a dark, moderate teal. Relative luminance 0.085; OKLCH L 43.2% C 0.069 H 192.2°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#105C5A
RGB	rgb(16, 92, 90)
HSL	hsl(178, 70%, 21%)
HSV	hsv(178, 83%, 36%)
CMYK	cmyk(82.6%, 0%, 2.2%, 63.9%)
CIE-LAB	lab(35.01, -22.05, -5.21)
CIE-LCH	lch(35.01, 22.65, 193.30°)
OKLab	oklab(43.15% -0.0674 -0.0145)
OKLCH	oklch(43.15% 0.069 192.2)
XYZ	xyz(5.8854, 8.5019, 11.0017)
Luminance	0.0850 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#105C5A #5C1012

analogous

#105C34 #105C5A #10385C

triadic

#105C5A #5A105C #5C5A10

tetradic

#105C5A #34105C #5C1012 #385C10

square

#105C5A #34105C #5C1012 #385C10

split-complementary

#105C5A #5C1038 #5C3410

monochromatic

#051A19 #072827 #105C5A #19908D #22C4C0

Accessibility & contrast

On white

7.78

#105C5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#105C5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #105C5A

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##105C5A	#FFFFFF	#000000	##FFFFFF
##105C5A	1.00	7.78	2.70	7.78
#FFFFFF	7.78	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#56575A

Deuteranopia (green-blind)

#4B4F5B

Tritanopia (blue-blind)

#005F5B

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #105c5a;
/* rgb */ color: rgb(16, 92, 90);
/* oklch */ color: oklch(43.2% 0.069 192.2);

Tailwind

colors: {
  custom: {
    50: '#5e8a88',
    500: '#105c5a',
    950: '#000000',
  },
}

SCSS

$custom: #105c5a;
$custom-light: #5e8a88;
$custom-dark: #000000;

JSON

{
  "hex": "#105c5a",
  "rgb": {
    "r": 16,
    "g": 92,
    "b": 90
  },
  "hsl": {
    "h": 178.421,
    "s": 70.37,
    "l": 21.176
  },
  "oklch": {
    "l": 0.43151,
    "c": 0.06898,
    "h": 192.2
  },
  "luminance": 0.08503
}

Semantic roles & 50–950 ramp

primary

#105C5A

secondary

#953335

accent

#3B3FED

background

#F5F8F8

surface

#EAF0EF

border

#C6CBCA

text

#050C0B

muted

#797D7C

Preview Lab

Preview with #105C5A

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

Preview Lab → · Contrast checker → · Palette generator →