#18565B#18565B

#18565B is a dark, moderate teal. Relative luminance 0.076; OKLCH L 41.7% C 0.061 H 202.9°. Best body text is #FFFFFF at 8.33:1 contrast (WCAG AA passes).

Color values

HEX	#18565B
RGB	rgb(24, 86, 91)
HSL	hsl(184, 58%, 23%)
HSV	hsv(184, 74%, 36%)
CMYK	cmyk(73.6%, 5.5%, 0%, 64.3%)
CIE-LAB	lab(33.15, -17.37, -8.61)
CIE-LCH	lch(33.15, 19.38, 206.37°)
OKLab	oklab(41.7% -0.0566 -0.0239)
OKLCH	oklch(41.7% 0.061 202.9)
XYZ	xyz(5.5920, 7.6045, 11.0686)
Luminance	0.0761 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18565B #5B1D18

analogous

#185B3F #18565B #18345B

triadic

#18565B #5B1856 #565B18

tetradic

#18565B #3F185B #5B1D18 #345B18

square

#18565B #3F185B #5B1D18 #345B18

split-complementary

#18565B #5B1834 #5B3F18

monochromatic

#061718 #0B282B #18565B #25848B #32B2BC

Accessibility & contrast

On white

8.33

#18565B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#18565B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18565B

8.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18565B	#FFFFFF	#000000	##FFFFFF
##18565B	1.00	8.33	2.52	8.33
#FFFFFF	8.33	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F525B

Deuteranopia (green-blind)

#454B5B

Tritanopia (blue-blind)

#005A57

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #18565b;
/* rgb */ color: rgb(24, 86, 91);
/* oklch */ color: oklch(41.7% 0.061 202.9);

Tailwind

colors: {
  custom: {
    50: '#608689',
    500: '#18565b',
    950: '#000000',
  },
}

SCSS

$custom: #18565b;
$custom-light: #608689;
$custom-dark: #000000;

JSON

{
  "hex": "#18565b",
  "rgb": {
    "r": 24,
    "g": 86,
    "b": 91
  },
  "hsl": {
    "h": 184.478,
    "s": 58.261,
    "l": 22.549
  },
  "oklch": {
    "l": 0.41703,
    "c": 0.06148,
    "h": 202.9
  },
  "luminance": 0.07605
}

Semantic roles & 50–950 ramp

primary

#18565B

secondary

#92443D

accent

#5246E1

background

#F6F8F8

surface

#EBEFF0

border

#C6CACB

text

#050B0B

muted

#7A7C7C

Preview Lab

Preview with #18565B

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

Preview Lab → · Contrast checker → · Palette generator →