#105B51#105B51

#105B51 is a dark, moderate teal. Relative luminance 0.082; OKLCH L 42.5% C 0.071 H 181.5°. Best body text is #FFFFFF at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#105B51
RGB	rgb(16, 91, 81)
HSL	hsl(172, 70%, 21%)
HSV	hsv(172, 82%, 36%)
CMYK	cmyk(82.4%, 0%, 11%, 64.3%)
CIE-LAB	lab(34.37, -24.42, -0.53)
CIE-LCH	lch(34.37, 24.42, 181.24°)
OKLab	oklab(42.53% -0.071 -0.0018)
OKLCH	oklch(42.53% 0.071 181.5)
XYZ	xyz(5.4392, 8.1857, 9.0763)
Luminance	0.0819 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#105B51 #5B101A

analogous

#105B2B #105B51 #103F5B

triadic

#105B51 #51105B #5B5110

tetradic

#105B51 #2B105B #5B101A #3F5B10

square

#105B51 #2B105B #5B101A #3F5B10

split-complementary

#105B51 #5B103F #5B2B10

monochromatic

#051A17 #072723 #105B51 #198F7F #22C3AE

Accessibility & contrast

On white

7.96

#105B51 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#105B51 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #105B51

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##105B51	#FFFFFF	#000000	##FFFFFF
##105B51	1.00	7.96	2.64	7.96
#FFFFFF	7.96	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565551

Deuteranopia (green-blind)

#4C4E52

Tritanopia (blue-blind)

#005D58

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #105b51;
/* rgb */ color: rgb(16, 91, 81);
/* oklch */ color: oklch(42.5% 0.071 181.5);

Tailwind

colors: {
  custom: {
    50: '#5d8a81',
    500: '#105b51',
    950: '#000000',
  },
}

SCSS

$custom: #105b51;
$custom-light: #5d8a81;
$custom-dark: #000000;

JSON

{
  "hex": "#105b51",
  "rgb": {
    "r": 16,
    "g": 91,
    "b": 81
  },
  "hsl": {
    "h": 172,
    "s": 70.093,
    "l": 20.98
  },
  "oklch": {
    "l": 0.42533,
    "c": 0.071,
    "h": 181.5
  },
  "luminance": 0.08186
}

Semantic roles & 50–950 ramp

primary

#105B51

secondary

#943340

accent

#3B53ED

background

#F5F8F7

surface

#EAF0EE

border

#C6CBC9

text

#050B0A

muted

#797C7C

Preview Lab

Preview with #105B51

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

Preview Lab → · Contrast checker → · Palette generator →