#187F81#187F81

#187F81 is a mid, moderate teal. Relative luminance 0.170; OKLCH L 54.4% C 0.087 H 197.0°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#187F81
RGB	rgb(24, 127, 129)
HSL	hsl(181, 69%, 30%)
HSV	hsv(181, 81%, 51%)
CMYK	cmyk(81.4%, 1.6%, 0%, 49.4%)
CIE-LAB	lab(48.21, -26.42, -9.11)
CIE-LCH	lch(48.21, 27.95, 199.03°)
OKLab	oklab(54.36% -0.0831 -0.0253)
OKLCH	oklch(54.36% 0.087 197)
XYZ	xyz(11.9267, 16.9564, 23.4089)
Luminance	0.1696 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#187F81 #811A18

analogous

#18814F #187F81 #184A81

triadic

#187F81 #81187F #7F8118

tetradic

#187F81 #4F1881 #811A18 #4A8118

square

#187F81 #4F1881 #811A18 #4A8118

split-complementary

#187F81 #81184A #814F18

monochromatic

#05191A #0E4C4D #187F81 #22B2B5 #39D7DA

Accessibility & contrast

On white

4.78

#187F81 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#187F81 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #187F81

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##187F81	#FFFFFF	#000000	##FFFFFF
##187F81	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#767981

Deuteranopia (green-blind)

#676E82

Tritanopia (blue-blind)

#00847F

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #187f81;
/* rgb */ color: rgb(24, 127, 129);
/* oklch */ color: oklch(54.4% 0.087 197.0);

Tailwind

colors: {
  custom: {
    50: '#6ba4a5',
    500: '#187f81',
    950: '#000000',
  },
}

SCSS

$custom: #187f81;
$custom-light: #6ba4a5;
$custom-dark: #000000;

JSON

{
  "hex": "#187f81",
  "rgb": {
    "r": 24,
    "g": 127,
    "b": 129
  },
  "hsl": {
    "h": 181.143,
    "s": 68.627,
    "l": 30
  },
  "oklch": {
    "l": 0.54355,
    "c": 0.08691,
    "h": 197
  },
  "luminance": 0.16958
}

Semantic roles & 50–950 ramp

primary

#187F81

secondary

#B54240

accent

#403CEB

background

#F6FAFA

surface

#ECF4F4

border

#C7CECE

text

#080F0F

muted

#7A7F7F

Preview Lab

Preview with #187F81

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

Preview Lab → · Contrast checker → · Palette generator →