#18584E#18584E

#18584E is a dark, moderate teal. Relative luminance 0.077; OKLCH L 41.8% C 0.066 H 180.4°. Best body text is #FFFFFF at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#18584E
RGB	rgb(24, 88, 78)
HSL	hsl(171, 57%, 22%)
HSV	hsv(171, 73%, 35%)
CMYK	cmyk(72.7%, 0%, 11.4%, 65.5%)
CIE-LAB	lab(33.40, -22.62, -0.04)
CIE-LCH	lch(33.40, 22.62, 180.10°)
OKLab	oklab(41.76% -0.0656 -0.0005)
OKLCH	oklch(41.76% 0.066 180.4)
XYZ	xyz(5.2409, 7.7231, 8.4208)
Luminance	0.0772 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18584E #581822

analogous

#18582E #18584E #184258

triadic

#18584E #4E1858 #584E18

tetradic

#18584E #2E1858 #581822 #425818

square

#18584E #2E1858 #581822 #425818

split-complementary

#18584E #581842 #582E18

monochromatic

#071815 #0B2823 #18584E #258879 #32B8A3

Accessibility & contrast

On white

8.25

#18584E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#18584E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18584E

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18584E	#FFFFFF	#000000	##FFFFFF
##18584E	1.00	8.25	2.54	8.25
#FFFFFF	8.25	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#54524E

Deuteranopia (green-blind)

#4B4C4F

Tritanopia (blue-blind)

#005A55

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #18584e;
/* rgb */ color: rgb(24, 88, 78);
/* oklch */ color: oklch(41.8% 0.066 180.4);

Tailwind

colors: {
  custom: {
    50: '#5f877f',
    500: '#18584e',
    950: '#000000',
  },
}

SCSS

$custom: #18584e;
$custom-light: #5f877f;
$custom-dark: #000000;

JSON

{
  "hex": "#18584e",
  "rgb": {
    "r": 24,
    "g": 88,
    "b": 78
  },
  "hsl": {
    "h": 170.625,
    "s": 57.143,
    "l": 21.961
  },
  "oklch": {
    "l": 0.41764,
    "c": 0.06559,
    "h": 180.4
  },
  "luminance": 0.07724
}

Semantic roles & 50–950 ramp

primary

#18584E

secondary

#8F3D4A

accent

#475FE0

background

#F5F8F7

surface

#EAEFEE

border

#C6CAC9

text

#050B0A

muted

#797C7C

Preview Lab

Preview with #18584E

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

Preview Lab → · Contrast checker → · Palette generator →