#18583F#18583F

#18583F is a dark, moderate teal. Relative luminance 0.075; OKLCH L 41.3% C 0.077 H 163.1°. Best body text is #FFFFFF at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#18583F
RGB	rgb(24, 88, 63)
HSL	hsl(157, 57%, 22%)
HSV	hsv(157, 73%, 35%)
CMYK	cmyk(72.7%, 0%, 28.4%, 65.5%)
CIE-LAB	lab(32.99, -26.82, 8.76)
CIE-LCH	lch(32.99, 28.21, 161.91°)
OKLab	oklab(41.29% -0.0736 0.0223)
OKLCH	oklch(41.29% 0.077 163.1)
XYZ	xyz(4.7631, 7.5320, 5.9045)
Luminance	0.0753 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18583F #581831

analogous

#18581F #18583F #185158

triadic

#18583F #3F1858 #583F18

tetradic

#18583F #1F1858 #581831 #515818

square

#18583F #1F1858 #581831 #515818

split-complementary

#18583F #581851 #581F18

monochromatic

#071811 #0B281D #18583F #258861 #32B884

Accessibility & contrast

On white

8.38

#18583F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#18583F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18583F

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18583F	#FFFFFF	#000000	##FFFFFF
##18583F	1.00	8.38	2.51	8.38
#FFFFFF	8.38	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#56513E

Deuteranopia (green-blind)

#4E4B41

Tritanopia (blue-blind)

#005851

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #18583f;
/* rgb */ color: rgb(24, 88, 63);
/* oklch */ color: oklch(41.3% 0.077 163.1);

Tailwind

colors: {
  custom: {
    50: '#5e8874',
    500: '#18583f',
    950: '#000000',
  },
}

SCSS

$custom: #18583f;
$custom-light: #5e8874;
$custom-dark: #000000;

JSON

{
  "hex": "#18583f",
  "rgb": {
    "r": 24,
    "g": 88,
    "b": 63
  },
  "hsl": {
    "h": 156.563,
    "s": 57.143,
    "l": 21.961
  },
  "oklch": {
    "l": 0.41292,
    "c": 0.07697,
    "h": 163.1
  },
  "luminance": 0.07533
}

Semantic roles & 50–950 ramp

primary

#18583F

secondary

#8F3D5D

accent

#4783E0

background

#F5F8F7

surface

#EAEFED

border

#C6CAC8

text

#050B08

muted

#797C7B

Preview Lab

Preview with #18583F

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

Preview Lab → · Contrast checker → · Palette generator →