#18554E#18554E

#18554E is a dark, moderate teal. Relative luminance 0.072; OKLCH L 40.9% C 0.062 H 184.2°. Best body text is #FFFFFF at 8.58:1 contrast (WCAG AA passes).

Color values

HEX	#18554E
RGB	rgb(24, 85, 78)
HSL	hsl(173, 56%, 21%)
HSV	hsv(173, 72%, 33%)
CMYK	cmyk(71.8%, 0%, 8.2%, 66.7%)
CIE-LAB	lab(32.35, -21.06, -1.58)
CIE-LCH	lch(32.35, 21.12, 184.29°)
OKLab	oklab(40.91% -0.062 -0.0046)
OKLCH	oklch(40.91% 0.062 184.2)
XYZ	xyz(4.9997, 7.2407, 8.3403)
Luminance	0.0724 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18554E #55181F

analogous

#185530 #18554E #183E55

triadic

#18554E #4E1855 #554E18

tetradic

#18554E #301855 #55181F #3E5518

square

#18554E #301855 #55181F #3E5518

split-complementary

#18554E #55183E #553018

monochromatic

#071816 #0B2522 #18554E #25857A #33B4A6

Accessibility & contrast

On white

8.58

#18554E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#18554E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18554E

8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18554E	#FFFFFF	#000000	##FFFFFF
##18554E	1.00	8.58	2.45	8.58
#FFFFFF	8.58	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51504E

Deuteranopia (green-blind)

#48494F

Tritanopia (blue-blind)

#005753

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #18554e;
/* rgb */ color: rgb(24, 85, 78);
/* oklch */ color: oklch(40.9% 0.062 184.2);

Tailwind

colors: {
  custom: {
    50: '#5f857f',
    500: '#18554e',
    950: '#000000',
  },
}

SCSS

$custom: #18554e;
$custom-light: #5f857f;
$custom-dark: #000000;

JSON

{
  "hex": "#18554e",
  "rgb": {
    "r": 24,
    "g": 85,
    "b": 78
  },
  "hsl": {
    "h": 173.115,
    "s": 55.963,
    "l": 21.373
  },
  "oklch": {
    "l": 0.40909,
    "c": 0.0622,
    "h": 184.2
  },
  "luminance": 0.07241
}

Semantic roles & 50–950 ramp

primary

#18554E

secondary

#8C3D46

accent

#495ADF

background

#F5F8F7

surface

#EAEFEE

border

#C6CAC9

text

#050B0A

muted

#797C7C

Preview Lab

Preview with #18554E

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

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