#18574E#18574E

#18574E is a dark, moderate teal. Relative luminance 0.076; OKLCH L 41.5% C 0.064 H 181.6°. Best body text is #FFFFFF at 8.36:1 contrast (WCAG AA passes).

Color values

HEX	#18574E
RGB	rgb(24, 87, 78)
HSL	hsl(171, 57%, 22%)
HSV	hsv(171, 72%, 34%)
CMYK	cmyk(72.4%, 0%, 10.3%, 65.9%)
CIE-LAB	lab(33.05, -22.10, -0.55)
CIE-LCH	lch(33.05, 22.11, 181.43°)
OKLab	oklab(41.48% -0.0644 -0.0018)
OKLCH	oklch(41.48% 0.064 181.6)
XYZ	xyz(5.1594, 7.5601, 8.3936)
Luminance	0.0756 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18574E #571821

analogous

#18572F #18574E #184157

triadic

#18574E #4E1857 #574E18

tetradic

#18574E #2F1857 #571821 #415718

square

#18574E #2F1857 #571821 #415718

split-complementary

#18574E #571841 #572F18

monochromatic

#071816 #0B2723 #18574E #258779 #32B7A4

Accessibility & contrast

On white

8.36

#18574E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#18574E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18574E

8.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18574E	#FFFFFF	#000000	##FFFFFF
##18574E	1.00	8.36	2.51	8.36
#FFFFFF	8.36	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#53524E

Deuteranopia (green-blind)

#4A4B4F

Tritanopia (blue-blind)

#005954

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #18574e;
/* rgb */ color: rgb(24, 87, 78);
/* oklch */ color: oklch(41.5% 0.064 181.6);

Tailwind

colors: {
  custom: {
    50: '#5f877f',
    500: '#18574e',
    950: '#000000',
  },
}

SCSS

$custom: #18574e;
$custom-light: #5f877f;
$custom-dark: #000000;

JSON

{
  "hex": "#18574e",
  "rgb": {
    "r": 24,
    "g": 87,
    "b": 78
  },
  "hsl": {
    "h": 171.429,
    "s": 56.757,
    "l": 21.765
  },
  "oklch": {
    "l": 0.41479,
    "c": 0.06444,
    "h": 181.6
  },
  "luminance": 0.07561
}

Semantic roles & 50–950 ramp

primary

#18574E

secondary

#8E3D49

accent

#485EE0

background

#F5F8F7

surface

#EAEFEE

border

#C6CAC9

text

#050B0A

muted

#797C7C

Preview Lab

Preview with #18574E

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

Preview Lab → · Contrast checker → · Palette generator →