#18503B#18503B

#18503B is a dark, moderate teal. Relative luminance 0.062; OKLCH L 38.8% C 0.069 H 164.6°. Best body text is #FFFFFF at 9.34:1 contrast (WCAG AA passes).

Color values

HEX	#18503B
RGB	rgb(24, 80, 59)
HSL	hsl(158, 54%, 20%)
HSV	hsv(158, 70%, 31%)
CMYK	cmyk(70%, 0%, 26.2%, 68.6%)
CIE-LAB	lab(30.03, -23.98, 7.12)
CIE-LCH	lch(30.03, 25.01, 163.46°)
OKLab	oklab(38.83% -0.0662 0.0182)
OKLCH	oklch(38.83% 0.069 164.6)
XYZ	xyz(4.0344, 6.2469, 5.1300)
Luminance	0.0625 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18503B #50182D

analogous

#18501F #18503B #184950

triadic

#18503B #3B1850 #503B18

tetradic

#18503B #1F1850 #50182D #495018

square

#18503B #1F1850 #50182D #495018

split-complementary

#18503B #501849 #501F18

monochromatic

#071811 #0A2118 #18503B #267F5E #34AE80

Accessibility & contrast

On white

9.34

#18503B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#18503B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18503B

9.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18503B	#FFFFFF	#000000	##FFFFFF
##18503B	1.00	9.34	2.25	9.34
#FFFFFF	9.34	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E4A3A

Deuteranopia (green-blind)

#47443C

Tritanopia (blue-blind)

#00504A

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #18503b;
/* rgb */ color: rgb(24, 80, 59);
/* oklch */ color: oklch(38.8% 0.069 164.6);

Tailwind

colors: {
  custom: {
    50: '#5c8171',
    500: '#18503b',
    950: '#000000',
  },
}

SCSS

$custom: #18503b;
$custom-light: #5c8171;
$custom-dark: #000000;

JSON

{
  "hex": "#18503b",
  "rgb": {
    "r": 24,
    "g": 80,
    "b": 59
  },
  "hsl": {
    "h": 157.5,
    "s": 53.846,
    "l": 20.392
  },
  "oklch": {
    "l": 0.38834,
    "c": 0.06866,
    "h": 164.6
  },
  "luminance": 0.06247
}

Semantic roles & 50–950 ramp

primary

#18503B

secondary

#873D59

accent

#4B82DD

background

#F5F7F6

surface

#E9EEEC

border

#C5C9C7

text

#040A07

muted

#797C7A

Preview Lab

Preview with #18503B

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

Preview Lab → · Contrast checker → · Palette generator →