#18575C#18575C

#18575C is a dark, moderate teal. Relative luminance 0.078; OKLCH L 42.0% C 0.062 H 202.8°. Best body text is #FFFFFF at 8.21:1 contrast (WCAG AA passes).

Color values

HEX	#18575C
RGB	rgb(24, 87, 92)
HSL	hsl(184, 59%, 23%)
HSV	hsv(184, 74%, 36%)
CMYK	cmyk(73.9%, 5.4%, 0%, 63.9%)
CIE-LAB	lab(33.53, -17.58, -8.66)
CIE-LCH	lch(33.53, 19.60, 206.23°)
OKLab	oklab(42.02% -0.0573 -0.024)
OKLCH	oklch(42.02% 0.062 202.8)
XYZ	xyz(5.7158, 7.7826, 11.3241)
Luminance	0.0778 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18575C #5C1D18

analogous

#185C3F #18575C #18355C

triadic

#18575C #5C1857 #575C18

tetradic

#18575C #3F185C #5C1D18 #355C18

square

#18575C #3F185C #5C1D18 #355C18

split-complementary

#18575C #5C1835 #5C3F18

monochromatic

#061718 #0B292B #18575C #25858D #31B3BD

Accessibility & contrast

On white

8.21

#18575C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#18575C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18575C

8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18575C	#FFFFFF	#000000	##FFFFFF
##18575C	1.00	8.21	2.56	8.21
#FFFFFF	8.21	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#50535C

Deuteranopia (green-blind)

#464C5C

Tritanopia (blue-blind)

#005B58

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #18575c;
/* rgb */ color: rgb(24, 87, 92);
/* oklch */ color: oklch(42.0% 0.062 202.8);

Tailwind

colors: {
  custom: {
    50: '#60868a',
    500: '#18575c',
    950: '#000000',
  },
}

SCSS

$custom: #18575c;
$custom-light: #60868a;
$custom-dark: #000000;

JSON

{
  "hex": "#18575c",
  "rgb": {
    "r": 24,
    "g": 87,
    "b": 92
  },
  "hsl": {
    "h": 184.412,
    "s": 58.621,
    "l": 22.745
  },
  "oklch": {
    "l": 0.42024,
    "c": 0.06216,
    "h": 202.8
  },
  "luminance": 0.07783
}

Semantic roles & 50–950 ramp

primary

#18575C

secondary

#93443D

accent

#5146E2

background

#F6F8F8

surface

#EBEFF0

border

#C6CACB

text

#050B0B

muted

#7A7C7C

Preview Lab

Preview with #18575C

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

Preview Lab → · Contrast checker → · Palette generator →