#18503C#18503C

#18503C is a dark, moderate teal. Relative luminance 0.063; OKLCH L 38.9% C 0.068 H 165.7°. Best body text is #FFFFFF at 9.33:1 contrast (WCAG AA passes).

Color values

HEX	#18503C
RGB	rgb(24, 80, 60)
HSL	hsl(159, 54%, 20%)
HSV	hsv(159, 70%, 31%)
CMYK	cmyk(70%, 0%, 25%, 68.6%)
CIE-LAB	lab(30.05, -23.71, 6.52)
CIE-LCH	lch(30.05, 24.59, 164.62°)
OKLab	oklab(38.86% -0.0656 0.0167)
OKLCH	oklch(38.86% 0.068 165.7)
XYZ	xyz(4.0605, 6.2573, 5.2679)
Luminance	0.0626 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18503C #50182C

analogous

#185020 #18503C #184850

triadic

#18503C #3C1850 #503C18

tetradic

#18503C #201850 #50182C #485018

square

#18503C #201850 #50182C #485018

split-complementary

#18503C #501848 #502018

monochromatic

#071812 #0A2119 #18503C #267F5F #34AE83

Accessibility & contrast

On white

9.33

#18503C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#18503C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18503C

9.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18503C	#FFFFFF	#000000	##FFFFFF
##18503C	1.00	9.33	2.25	9.33
#FFFFFF	9.33	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E4A3B

Deuteranopia (green-blind)

#46443D

Tritanopia (blue-blind)

#00504A

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #18503c;
/* rgb */ color: rgb(24, 80, 60);
/* oklch */ color: oklch(38.9% 0.068 165.7);

Tailwind

colors: {
  custom: {
    50: '#5d8171',
    500: '#18503c',
    950: '#000000',
  },
}

SCSS

$custom: #18503c;
$custom-light: #5d8171;
$custom-dark: #000000;

JSON

{
  "hex": "#18503c",
  "rgb": {
    "r": 24,
    "g": 80,
    "b": 60
  },
  "hsl": {
    "h": 158.571,
    "s": 53.846,
    "l": 20.392
  },
  "oklch": {
    "l": 0.38863,
    "c": 0.06774,
    "h": 165.7
  },
  "luminance": 0.06258
}

Semantic roles & 50–950 ramp

primary

#18503C

secondary

#873D57

accent

#4B7FDD

background

#F5F7F6

surface

#E9EEEC

border

#C5C9C7

text

#040A07

muted

#797C7A

Preview Lab

Preview with #18503C

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

Preview Lab → · Contrast checker → · Palette generator →