#18554C#18554C

#18554C is a dark, moderate teal. Relative luminance 0.072; OKLCH L 40.8% C 0.063 H 181.3°. Best body text is #FFFFFF at 8.60:1 contrast (WCAG AA passes).

Color values

HEX	#18554C
RGB	rgb(24, 85, 76)
HSL	hsl(171, 56%, 21%)
HSV	hsv(171, 72%, 33%)
CMYK	cmyk(71.8%, 0%, 10.6%, 66.7%)
CIE-LAB	lab(32.29, -21.67, -0.41)
CIE-LCH	lch(32.29, 21.67, 181.07°)
OKLab	oklab(40.84% -0.0631 -0.0014)
OKLCH	oklch(40.84% 0.063 181.3)
XYZ	xyz(4.9291, 7.2124, 7.9684)
Luminance	0.0721 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18554C #551821

analogous

#18552E #18554C #184055

triadic

#18554C #4C1855 #554C18

tetradic

#18554C #2E1855 #551821 #405518

square

#18554C #2E1855 #551821 #405518

split-complementary

#18554C #551840 #552E18

monochromatic

#071815 #0B2521 #18554C #258577 #33B4A1

Accessibility & contrast

On white

8.60

#18554C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#18554C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18554C

8.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18554C	#FFFFFF	#000000	##FFFFFF
##18554C	1.00	8.60	2.44	8.60
#FFFFFF	8.60	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51504C

Deuteranopia (green-blind)

#48494D

Tritanopia (blue-blind)

#005752

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #18554c;
/* rgb */ color: rgb(24, 85, 76);
/* oklch */ color: oklch(40.8% 0.063 181.3);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#18554c",
  "rgb": {
    "r": 24,
    "g": 85,
    "b": 76
  },
  "hsl": {
    "h": 171.148,
    "s": 55.963,
    "l": 21.373
  },
  "oklch": {
    "l": 0.40836,
    "c": 0.0631,
    "h": 181.3
  },
  "luminance": 0.07213
}

Semantic roles & 50–950 ramp

primary

#18554C

secondary

#8C3D49

accent

#495FDF

background

#F5F8F7

surface

#EAEFEE

border

#C6CAC9

text

#050B09

muted

#797C7B

Preview Lab

Preview with #18554C

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

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