#18554D#18554D

#18554D is a dark, moderate teal. Relative luminance 0.072; OKLCH L 40.9% C 0.063 H 182.8°. Best body text is #FFFFFF at 8.59:1 contrast (WCAG AA passes).

Color values

HEX	#18554D
RGB	rgb(24, 85, 77)
HSL	hsl(172, 56%, 21%)
HSV	hsv(172, 72%, 33%)
CMYK	cmyk(71.8%, 0%, 9.4%, 66.7%)
CIE-LAB	lab(32.32, -21.37, -0.99)
CIE-LCH	lch(32.32, 21.39, 182.66°)
OKLab	oklab(40.87% -0.0625 -0.003)
OKLCH	oklch(40.87% 0.063 182.8)
XYZ	xyz(4.9641, 7.2265, 8.1530)
Luminance	0.0723 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18554D #551820

analogous

#18552F #18554D #183F55

triadic

#18554D #4D1855 #554D18

tetradic

#18554D #2F1855 #551820 #3F5518

square

#18554D #2F1855 #551820 #3F5518

split-complementary

#18554D #55183F #552F18

monochromatic

#071816 #0B2522 #18554D #258578 #33B4A3

Accessibility & contrast

On white

8.59

#18554D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#18554D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18554D

8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18554D	#FFFFFF	#000000	##FFFFFF
##18554D	1.00	8.59	2.45	8.59
#FFFFFF	8.59	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51504D

Deuteranopia (green-blind)

#48494E

Tritanopia (blue-blind)

#005752

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #18554d;
/* rgb */ color: rgb(24, 85, 77);
/* oklch */ color: oklch(40.9% 0.063 182.8);

Tailwind

colors: {
  custom: {
    50: '#5e857e',
    500: '#18554d',
    950: '#000000',
  },
}

SCSS

$custom: #18554d;
$custom-light: #5e857e;
$custom-dark: #000000;

JSON

{
  "hex": "#18554d",
  "rgb": {
    "r": 24,
    "g": 85,
    "b": 77
  },
  "hsl": {
    "h": 172.131,
    "s": 55.963,
    "l": 21.373
  },
  "oklch": {
    "l": 0.40872,
    "c": 0.06262,
    "h": 182.8
  },
  "luminance": 0.07227
}

Semantic roles & 50–950 ramp

primary

#18554D

secondary

#8C3D47

accent

#495CDF

background

#F5F8F7

surface

#EAEFEE

border

#C6CAC9

text

#050B0A

muted

#797C7C

Preview Lab

Preview with #18554D

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

Preview Lab → · Contrast checker → · Palette generator →