#18583C#18583C

#18583C is a dark, moderate teal. Relative luminance 0.075; OKLCH L 41.2% C 0.080 H 160.5°. Best body text is #FFFFFF at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#18583C
RGB	rgb(24, 88, 60)
HSL	hsl(154, 57%, 22%)
HSV	hsv(154, 73%, 35%)
CMYK	cmyk(72.7%, 0%, 31.8%, 65.5%)
CIE-LAB	lab(32.92, -27.57, 10.52)
CIE-LCH	lch(32.92, 29.51, 159.11°)
OKLab	oklab(41.21% -0.0753 0.0267)
OKLCH	oklch(41.21% 0.08 160.5)
XYZ	xyz(4.6816, 7.4994, 5.4749)
Luminance	0.0750 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18583C #581834

analogous

#18581C #18583C #185458

triadic

#18583C #3C1858 #583C18

tetradic

#18583C #1C1858 #581834 #545818

square

#18583C #1C1858 #581834 #545818

split-complementary

#18583C #581854 #581C18

monochromatic

#071810 #0B281B #18583C #25885D #32B87E

Accessibility & contrast

On white

8.40

#18583C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#18583C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18583C

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18583C	#FFFFFF	#000000	##FFFFFF
##18583C	1.00	8.40	2.50	8.40
#FFFFFF	8.40	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57513A

Deuteranopia (green-blind)

#4E4B3E

Tritanopia (blue-blind)

#005850

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #18583c;
/* rgb */ color: rgb(24, 88, 60);
/* oklch */ color: oklch(41.2% 0.080 160.5);

Tailwind

colors: {
  custom: {
    50: '#5e8871',
    500: '#18583c',
    950: '#000000',
  },
}

SCSS

$custom: #18583c;
$custom-light: #5e8871;
$custom-dark: #000000;

JSON

{
  "hex": "#18583c",
  "rgb": {
    "r": 24,
    "g": 88,
    "b": 60
  },
  "hsl": {
    "h": 153.75,
    "s": 57.143,
    "l": 21.961
  },
  "oklch": {
    "l": 0.41211,
    "c": 0.07988,
    "h": 160.5
  },
  "luminance": 0.075
}

Semantic roles & 50–950 ramp

primary

#18583C

secondary

#8F3D61

accent

#478AE0

background

#F5F8F6

surface

#EAF0EC

border

#C6CBC7

text

#050B07

muted

#797C7A

Preview Lab

Preview with #18583C

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

Preview Lab → · Contrast checker → · Palette generator →