#105B40#105B40

#105B40 is a dark, moderate teal. Relative luminance 0.080; OKLCH L 42.0% C 0.084 H 163.4°. Best body text is #FFFFFF at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#105B40
RGB	rgb(16, 91, 64)
HSL	hsl(158, 70%, 21%)
HSV	hsv(158, 82%, 36%)
CMYK	cmyk(82.4%, 0%, 29.7%, 64.3%)
CIE-LAB	lab(33.90, -29.27, 9.39)
CIE-LCH	lch(33.90, 30.74, 162.21°)
OKLab	oklab(42% -0.0801 0.0239)
OKLCH	oklch(42% 0.084 163.4)
XYZ	xyz(4.8796, 7.9619, 6.1291)
Luminance	0.0796 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#105B40 #5B102B

analogous

#105B1A #105B40 #10505B

triadic

#105B40 #40105B #5B4010

tetradic

#105B40 #1A105B #5B102B #505B10

square

#105B40 #1A105B #5B102B #505B10

split-complementary

#105B40 #5B1050 #5B1A10

monochromatic

#051A12 #07271B #105B40 #198F65 #22C389

Accessibility & contrast

On white

8.10

#105B40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#105B40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #105B40

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##105B40	#FFFFFF	#000000	##FFFFFF
##105B40	1.00	8.10	2.59	8.10
#FFFFFF	8.10	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#59543E

Deuteranopia (green-blind)

#504D42

Tritanopia (blue-blind)

#005B54

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #105b40;
/* rgb */ color: rgb(16, 91, 64);
/* oklch */ color: oklch(42.0% 0.084 163.4);

Tailwind

colors: {
  custom: {
    50: '#5c8a74',
    500: '#105b40',
    950: '#000000',
  },
}

SCSS

$custom: #105b40;
$custom-light: #5c8a74;
$custom-dark: #000000;

JSON

{
  "hex": "#105b40",
  "rgb": {
    "r": 16,
    "g": 91,
    "b": 64
  },
  "hsl": {
    "h": 158.4,
    "s": 70.093,
    "l": 20.98
  },
  "oklch": {
    "l": 0.42,
    "c": 0.08363,
    "h": 163.4
  },
  "luminance": 0.07962
}

Semantic roles & 50–950 ramp

primary

#105B40

secondary

#943356

accent

#3B7BED

background

#F5F8F7

surface

#E9F0ED

border

#C5CBC8

text

#050C08

muted

#797D7B

Preview Lab

Preview with #105B40

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

Preview Lab → · Contrast checker → · Palette generator →