#18585B#18585B

#18585B is a dark, moderate teal. Relative luminance 0.079; OKLCH L 42.3% C 0.063 H 199.6°. Best body text is #FFFFFF at 8.12:1 contrast (WCAG AA passes).

Color values

HEX	#18585B
RGB	rgb(24, 88, 91)
HSL	hsl(183, 58%, 23%)
HSV	hsv(183, 74%, 36%)
CMYK	cmyk(73.6%, 3.3%, 0%, 64.3%)
CIE-LAB	lab(33.83, -18.47, -7.57)
CIE-LCH	lch(33.83, 19.96, 202.29°)
OKLab	oklab(42.26% -0.059 -0.021)
OKLCH	oklch(42.26% 0.063 199.6)
XYZ	xyz(5.7539, 7.9283, 11.1226)
Luminance	0.0793 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18585B #5B1B18

analogous

#185B3D #18585B #18365B

triadic

#18585B #5B1858 #585B18

tetradic

#18585B #3D185B #5B1B18 #365B18

square

#18585B #3D185B #5B1B18 #365B18

split-complementary

#18585B #5B1836 #5B3D18

monochromatic

#061718 #0B292B #18585B #25878B #32B6BC

Accessibility & contrast

On white

8.12

#18585B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#18585B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18585B

8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18585B	#FFFFFF	#000000	##FFFFFF
##18585B	1.00	8.12	2.59	8.12
#FFFFFF	8.12	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51545B

Deuteranopia (green-blind)

#474C5B

Tritanopia (blue-blind)

#005B59

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #18585b;
/* rgb */ color: rgb(24, 88, 91);
/* oklch */ color: oklch(42.3% 0.063 199.6);

Tailwind

colors: {
  custom: {
    50: '#608789',
    500: '#18585b',
    950: '#000000',
  },
}

SCSS

$custom: #18585b;
$custom-light: #608789;
$custom-dark: #000000;

JSON

{
  "hex": "#18585b",
  "rgb": {
    "r": 24,
    "g": 88,
    "b": 91
  },
  "hsl": {
    "h": 182.687,
    "s": 58.261,
    "l": 22.549
  },
  "oklch": {
    "l": 0.4226,
    "c": 0.0626,
    "h": 199.6
  },
  "luminance": 0.07929
}

Semantic roles & 50–950 ramp

primary

#18585B

secondary

#92413D

accent

#4D46E1

background

#F6F8F8

surface

#EBEFF0

border

#C6CACB

text

#050B0B

muted

#7A7C7C

Preview Lab

Preview with #18585B

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

Preview Lab → · Contrast checker → · Palette generator →