#105B57#105B57

#105B57 is a dark, moderate teal. Relative luminance 0.083; OKLCH L 42.8% C 0.069 H 189.4°. Best body text is #FFFFFF at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#105B57
RGB	rgb(16, 91, 87)
HSL	hsl(177, 70%, 21%)
HSV	hsv(177, 82%, 36%)
CMYK	cmyk(82.4%, 0%, 4.4%, 64.3%)
CIE-LAB	lab(34.56, -22.51, -4.00)
CIE-LCH	lch(34.56, 22.86, 190.08°)
OKLab	oklab(42.75% -0.0678 -0.0112)
OKLCH	oklch(42.75% 0.069 189.4)
XYZ	xyz(5.6743, 8.2797, 10.3141)
Luminance	0.0828 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#105B57 #5B1014

analogous

#105B31 #105B57 #10395B

triadic

#105B57 #57105B #5B5710

tetradic

#105B57 #31105B #5B1014 #395B10

square

#105B57 #31105B #5B1014 #395B10

split-complementary

#105B57 #5B1039 #5B3110

monochromatic

#051A19 #072725 #105B57 #198F89 #22C3BB

Accessibility & contrast

On white

7.91

#105B57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#105B57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #105B57

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##105B57	#FFFFFF	#000000	##FFFFFF
##105B57	1.00	7.91	2.66	7.91
#FFFFFF	7.91	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#555657

Deuteranopia (green-blind)

#4B4E58

Tritanopia (blue-blind)

#005E5A

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #105b57;
/* rgb */ color: rgb(16, 91, 87);
/* oklch */ color: oklch(42.8% 0.069 189.4);

Tailwind

colors: {
  custom: {
    50: '#5e8a86',
    500: '#105b57',
    950: '#000000',
  },
}

SCSS

$custom: #105b57;
$custom-light: #5e8a86;
$custom-dark: #000000;

JSON

{
  "hex": "#105b57",
  "rgb": {
    "r": 16,
    "g": 91,
    "b": 87
  },
  "hsl": {
    "h": 176.8,
    "s": 70.093,
    "l": 20.98
  },
  "oklch": {
    "l": 0.42753,
    "c": 0.06877,
    "h": 189.4
  },
  "luminance": 0.0828
}

Semantic roles & 50–950 ramp

primary

#105B57

secondary

#943338

accent

#3B44ED

background

#F5F8F8

surface

#EAF0EF

border

#C6CBCA

text

#050B0B

muted

#797C7C

Preview Lab

Preview with #105B57

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

Preview Lab → · Contrast checker → · Palette generator →