#105B5B#105B5B

#105B5B is a dark, moderate teal. Relative luminance 0.083; OKLCH L 42.9% C 0.068 H 194.9°. Best body text is #FFFFFF at 7.87:1 contrast (WCAG AA passes).

Color values

HEX	#105B5B
RGB	rgb(16, 91, 91)
HSL	hsl(180, 70%, 21%)
HSV	hsv(180, 82%, 36%)
CMYK	cmyk(82.4%, 0%, 0%, 64.3%)
CIE-LAB	lab(34.70, -21.19, -6.30)
CIE-LCH	lch(34.70, 22.11, 196.56°)
OKLab	oklab(42.91% -0.0658 -0.0175)
OKLCH	oklch(42.91% 0.068 194.9)
XYZ	xyz(5.8422, 8.3469, 11.1987)
Luminance	0.0835 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#105B5B #5B1010

analogous

#105B35 #105B5B #10355B

triadic

#105B5B #5B105B #5B5B10

tetradic

#105B5B #35105B #5B1010 #355B10

square

#105B5B #35105B #5B1010 #355B10

split-complementary

#105B5B #5B1035 #5B3510

monochromatic

#051A1A #072727 #105B5B #198F8F #22C3C3

Accessibility & contrast

On white

7.87

#105B5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#105B5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #105B5B

7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##105B5B	#FFFFFF	#000000	##FFFFFF
##105B5B	1.00	7.87	2.67	7.87
#FFFFFF	7.87	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#54565B

Deuteranopia (green-blind)

#4A4E5B

Tritanopia (blue-blind)

#005E5B

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #105b5b;
/* rgb */ color: rgb(16, 91, 91);
/* oklch */ color: oklch(42.9% 0.068 194.9);

Tailwind

colors: {
  custom: {
    50: '#5e8a89',
    500: '#105b5b',
    950: '#000000',
  },
}

SCSS

$custom: #105b5b;
$custom-light: #5e8a89;
$custom-dark: #000000;

JSON

{
  "hex": "#105b5b",
  "rgb": {
    "r": 16,
    "g": 91,
    "b": 91
  },
  "hsl": {
    "h": 180,
    "s": 70.093,
    "l": 20.98
  },
  "oklch": {
    "l": 0.42909,
    "c": 0.06811,
    "h": 194.9
  },
  "luminance": 0.08348
}

Semantic roles & 50–950 ramp

primary

#105B5B

secondary

#943333

accent

#3B3BED

background

#F5F8F8

surface

#EAF0F0

border

#C6CBCB

text

#050B0B

muted

#797C7C

Preview Lab

Preview with #105B5B

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

Preview Lab → · Contrast checker → · Palette generator →