#18583E#18583E

#18583E is a dark, moderate teal. Relative luminance 0.075; OKLCH L 41.3% C 0.078 H 162.2°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#18583E
RGB	rgb(24, 88, 62)
HSL	hsl(156, 57%, 22%)
HSV	hsv(156, 73%, 35%)
CMYK	cmyk(72.7%, 0%, 29.5%, 65.5%)
CIE-LAB	lab(32.96, -27.07, 9.35)
CIE-LCH	lch(32.96, 28.64, 160.95°)
OKLab	oklab(41.26% -0.0742 0.0238)
OKLCH	oklch(41.26% 0.078 162.2)
XYZ	xyz(4.7354, 7.5209, 5.7586)
Luminance	0.0752 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18583E #581832

analogous

#18581E #18583E #185258

triadic

#18583E #3E1858 #583E18

tetradic

#18583E #1E1858 #581832 #525818

square

#18583E #1E1858 #581832 #525818

split-complementary

#18583E #581852 #581E18

monochromatic

#071811 #0B281C #18583E #258860 #32B882

Accessibility & contrast

On white

8.39

#18583E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#18583E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18583E

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18583E	#FFFFFF	#000000	##FFFFFF
##18583E	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)

#57513D

Deuteranopia (green-blind)

#4E4B40

Tritanopia (blue-blind)

#005851

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #18583e;
/* rgb */ color: rgb(24, 88, 62);
/* oklch */ color: oklch(41.3% 0.078 162.2);

Tailwind

colors: {
  custom: {
    50: '#5e8873',
    500: '#18583e',
    950: '#000000',
  },
}

SCSS

$custom: #18583e;
$custom-light: #5e8873;
$custom-dark: #000000;

JSON

{
  "hex": "#18583e",
  "rgb": {
    "r": 24,
    "g": 88,
    "b": 62
  },
  "hsl": {
    "h": 155.625,
    "s": 57.143,
    "l": 21.961
  },
  "oklch": {
    "l": 0.41264,
    "c": 0.07792,
    "h": 162.2
  },
  "luminance": 0.07521
}

Semantic roles & 50–950 ramp

primary

#18583E

secondary

#8F3D5E

accent

#4786E0

background

#F5F8F6

surface

#EAEFEC

border

#C6CAC7

text

#050B08

muted

#797C7B

Preview Lab

Preview with #18583E

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

Preview Lab → · Contrast checker → · Palette generator →