#187D8B#187D8B

#187D8B is a mid, moderate teal. Relative luminance 0.167; OKLCH L 54.2% C 0.088 H 209.4°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#187D8B
RGB	rgb(24, 125, 139)
HSL	hsl(187, 71%, 32%)
HSV	hsv(187, 83%, 55%)
CMYK	cmyk(82.7%, 10.1%, 0%, 45.5%)
CIE-LAB	lab(47.91, -22.10, -15.46)
CIE-LCH	lch(47.91, 26.97, 214.97°)
OKLab	oklab(54.23% -0.0765 -0.0431)
OKLCH	oklch(54.23% 0.088 209.4)
XYZ	xyz(12.3685, 16.7239, 26.9973)
Luminance	0.1673 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#187D8B #8B2618

analogous

#188B5F #187D8B #18448B

triadic

#187D8B #8B187D #7D8B18

tetradic

#187D8B #5F188B #8B2618 #448B18

square

#187D8B #5F188B #8B2618 #448B18

split-complementary

#187D8B #8B1844 #8B5F18

monochromatic

#061F23 #0F4E57 #187D8B #21ACBF #3FCBDE

Accessibility & contrast

On white

4.83

#187D8B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#187D8B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #187D8B

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##187D8B	#FFFFFF	#000000	##FFFFFF
##187D8B	1.00	4.83	4.35	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#71788C

Deuteranopia (green-blind)

#626D8B

Tritanopia (blue-blind)

#008381

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #187d8b;
/* rgb */ color: rgb(24, 125, 139);
/* oklch */ color: oklch(54.2% 0.088 209.4);

Tailwind

colors: {
  custom: {
    50: '#6ca3ac',
    500: '#187d8b',
    950: '#000000',
  },
}

SCSS

$custom: #187d8b;
$custom-light: #6ca3ac;
$custom-dark: #000000;

JSON

{
  "hex": "#187d8b",
  "rgb": {
    "r": 24,
    "g": 125,
    "b": 139
  },
  "hsl": {
    "h": 187.304,
    "s": 70.552,
    "l": 31.961
  },
  "oklch": {
    "l": 0.54233,
    "c": 0.08783,
    "h": 209.4
  },
  "luminance": 0.16726
}

Semantic roles & 50–950 ramp

primary

#187D8B

secondary

#BE5040

accent

#503AED

background

#F7FAFA

surface

#EDF3F4

border

#C8CDCE

text

#080F10

muted

#7B7F7F

Preview Lab

Preview with #187D8B

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

Preview Lab → · Contrast checker → · Palette generator →