#18583D#18583D

#18583D is a dark, moderate teal. Relative luminance 0.075; OKLCH L 41.2% C 0.079 H 161.3°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#18583D
RGB	rgb(24, 88, 61)
HSL	hsl(155, 57%, 22%)
HSV	hsv(155, 73%, 35%)
CMYK	cmyk(72.7%, 0%, 30.7%, 65.5%)
CIE-LAB	lab(32.94, -27.32, 9.94)
CIE-LCH	lch(32.94, 29.07, 160.02°)
OKLab	oklab(41.24% -0.0747 0.0253)
OKLCH	oklch(41.24% 0.079 161.3)
XYZ	xyz(4.7082, 7.5100, 5.6154)
Luminance	0.0751 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18583D #581833

analogous

#18581D #18583D #185358

triadic

#18583D #3D1858 #583D18

tetradic

#18583D #1D1858 #581833 #535818

square

#18583D #1D1858 #581833 #535818

split-complementary

#18583D #581853 #581D18

monochromatic

#071811 #0B281C #18583D #25885E #32B880

Accessibility & contrast

On white

8.39

#18583D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#18583D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18583D

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18583D	#FFFFFF	#000000	##FFFFFF
##18583D	1.00	8.39	2.50	8.39
#FFFFFF	8.39	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57513B

Deuteranopia (green-blind)

#4E4B3F

Tritanopia (blue-blind)

#005851

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #18583d;
/* rgb */ color: rgb(24, 88, 61);
/* oklch */ color: oklch(41.2% 0.079 161.3);

Tailwind

colors: {
  custom: {
    50: '#5e8872',
    500: '#18583d',
    950: '#000000',
  },
}

SCSS

$custom: #18583d;
$custom-light: #5e8872;
$custom-dark: #000000;

JSON

{
  "hex": "#18583d",
  "rgb": {
    "r": 24,
    "g": 88,
    "b": 61
  },
  "hsl": {
    "h": 154.688,
    "s": 57.143,
    "l": 21.961
  },
  "oklch": {
    "l": 0.41237,
    "c": 0.0789,
    "h": 161.3
  },
  "luminance": 0.07511
}

Semantic roles & 50–950 ramp

primary

#18583D

secondary

#8F3D60

accent

#4788E0

background

#F5F8F6

surface

#EAF0EC

border

#C6CBC7

text

#050B08

muted

#797C7B

Preview Lab

Preview with #18583D

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

Preview Lab → · Contrast checker → · Palette generator →