#187B78#187B78

#187B78 is a mid, moderate teal. Relative luminance 0.157; OKLCH L 52.9% C 0.085 H 191.7°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#187B78
RGB	rgb(24, 123, 120)
HSL	hsl(178, 67%, 29%)
HSV	hsv(178, 80%, 48%)
CMYK	cmyk(80.5%, 0%, 2.4%, 51.8%)
CIE-LAB	lab(46.60, -27.28, -6.19)
CIE-LCH	lch(46.60, 27.98, 192.78°)
OKLab	oklab(52.95% -0.0832 -0.0173)
OKLCH	oklch(52.95% 0.085 191.7)
XYZ	xyz(10.8482, 15.7148, 20.2272)
Luminance	0.1572 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#187B78 #7B181B

analogous

#187B47 #187B78 #184D7B

triadic

#187B78 #78187B #7B7818

tetradic

#187B78 #47187B #7B181B #4D7B18

square

#187B78 #47187B #7B181B #4D7B18

split-complementary

#187B78 #7B184D #7B4718

monochromatic

#051A19 #0E4846 #187B78 #22AEAA #36D8D3

Accessibility & contrast

On white

5.07

#187B78 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#187B78 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #187B78

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##187B78	#FFFFFF	#000000	##FFFFFF
##187B78	1.00	5.07	4.14	5.07
#FFFFFF	5.07	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#737478

Deuteranopia (green-blind)

#656A79

Tritanopia (blue-blind)

#007F7A

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #187b78;
/* rgb */ color: rgb(24, 123, 120);
/* oklch */ color: oklch(52.9% 0.085 191.7);

Tailwind

colors: {
  custom: {
    50: '#69a19e',
    500: '#187b78',
    950: '#000000',
  },
}

SCSS

$custom: #187b78;
$custom-light: #69a19e;
$custom-dark: #000000;

JSON

{
  "hex": "#187b78",
  "rgb": {
    "r": 24,
    "g": 123,
    "b": 120
  },
  "hsl": {
    "h": 178.182,
    "s": 67.347,
    "l": 28.824
  },
  "oklch": {
    "l": 0.5295,
    "c": 0.08502,
    "h": 191.7
  },
  "luminance": 0.15716
}

Semantic roles & 50–950 ramp

primary

#187B78

secondary

#B03F43

accent

#3E43EA

background

#F6FAF9

surface

#ECF3F2

border

#C7CDCC

text

#070F0E

muted

#7A7F7E

Preview Lab

Preview with #187B78

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

Preview Lab → · Contrast checker → · Palette generator →