#105A5C#105A5C

#105A5C is a dark, moderate teal. Relative luminance 0.082; OKLCH L 42.7% C 0.067 H 197.7°. Best body text is #FFFFFF at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#105A5C
RGB	rgb(16, 90, 92)
HSL	hsl(182, 70%, 21%)
HSV	hsv(182, 83%, 36%)
CMYK	cmyk(82.6%, 2.2%, 0%, 63.9%)
CIE-LAB	lab(34.38, -20.32, -7.39)
CIE-LCH	lch(34.38, 21.62, 199.99°)
OKLab	oklab(42.67% -0.0642 -0.0205)
OKLCH	oklch(42.67% 0.067 197.7)
XYZ	xyz(5.8007, 8.1945, 11.3991)
Luminance	0.0819 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#105A5C #5C1210

analogous

#105C38 #105A5C #10345C

triadic

#105A5C #5C105A #5A5C10

tetradic

#105A5C #38105C #5C1210 #345C10

square

#105A5C #38105C #5C1210 #345C10

split-complementary

#105A5C #5C1034 #5C3810

monochromatic

#05191A #072728 #105A5C #198D90 #22C0C4

Accessibility & contrast

On white

7.96

#105A5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#105A5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #105A5C

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##105A5C	#FFFFFF	#000000	##FFFFFF
##105A5C	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)

#53555C

Deuteranopia (green-blind)

#484E5C

Tritanopia (blue-blind)

#005D5A

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #105a5c;
/* rgb */ color: rgb(16, 90, 92);
/* oklch */ color: oklch(42.7% 0.067 197.7);

Tailwind

colors: {
  custom: {
    50: '#5e898a',
    500: '#105a5c',
    950: '#000000',
  },
}

SCSS

$custom: #105a5c;
$custom-light: #5e898a;
$custom-dark: #000000;

JSON

{
  "hex": "#105a5c",
  "rgb": {
    "r": 16,
    "g": 90,
    "b": 92
  },
  "hsl": {
    "h": 181.579,
    "s": 70.37,
    "l": 21.176
  },
  "oklch": {
    "l": 0.42669,
    "c": 0.06743,
    "h": 197.7
  },
  "luminance": 0.08195
}

Semantic roles & 50–950 ramp

primary

#105A5C

secondary

#953533

accent

#3F3BED

background

#F5F8F8

surface

#EAF0F0

border

#C6CBCB

text

#050B0B

muted

#797C7C

Preview Lab

Preview with #105A5C

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

Preview Lab → · Contrast checker → · Palette generator →