#105A51#105A51

#105A51 is a dark, moderate teal. Relative luminance 0.080; OKLCH L 42.2% C 0.070 H 182.6°. Best body text is #FFFFFF at 8.07:1 contrast (WCAG AA passes).

Color values

HEX	#105A51
RGB	rgb(16, 90, 81)
HSL	hsl(173, 70%, 21%)
HSV	hsv(173, 82%, 35%)
CMYK	cmyk(82.2%, 0%, 10%, 64.7%)
CIE-LAB	lab(34.02, -23.91, -1.04)
CIE-LCH	lch(34.02, 23.94, 182.49°)
OKLab	oklab(42.25% -0.0698 -0.0032)
OKLCH	oklch(42.25% 0.07 182.6)
XYZ	xyz(5.3543, 8.0159, 9.0480)
Luminance	0.0802 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#105A51 #5A1019

analogous

#105A2C #105A51 #103E5A

triadic

#105A51 #51105A #5A5110

tetradic

#105A51 #2C105A #5A1019 #3E5A10

square

#105A51 #2C105A #5A1019 #3E5A10

split-complementary

#105A51 #5A103E #5A2C10

monochromatic

#051A17 #072622 #105A51 #198E80 #22C2AF

Accessibility & contrast

On white

8.07

#105A51 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#105A51 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #105A51

8.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##105A51	#FFFFFF	#000000	##FFFFFF
##105A51	1.00	8.07	2.60	8.07
#FFFFFF	8.07	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#555451

Deuteranopia (green-blind)

#4B4D52

Tritanopia (blue-blind)

#005C57

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #105a51;
/* rgb */ color: rgb(16, 90, 81);
/* oklch */ color: oklch(42.2% 0.070 182.6);

Tailwind

colors: {
  custom: {
    50: '#5d8981',
    500: '#105a51',
    950: '#000000',
  },
}

SCSS

$custom: #105a51;
$custom-light: #5d8981;
$custom-dark: #000000;

JSON

{
  "hex": "#105a51",
  "rgb": {
    "r": 16,
    "g": 90,
    "b": 81
  },
  "hsl": {
    "h": 172.703,
    "s": 69.811,
    "l": 20.784
  },
  "oklch": {
    "l": 0.42246,
    "c": 0.06992,
    "h": 182.6
  },
  "luminance": 0.08017
}

Semantic roles & 50–950 ramp

primary

#105A51

secondary

#93333E

accent

#3B51ED

background

#F5F8F7

surface

#EAF0EE

border

#C6CBC9

text

#050B0A

muted

#797C7C

Preview Lab

Preview with #105A51

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

Preview Lab → · Contrast checker → · Palette generator →