#187B8A#187B8A

#187B8A is a mid, moderate teal. Relative luminance 0.162; OKLCH L 53.7% C 0.087 H 210.6°. Best body text is #FFFFFF at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#187B8A
RGB	rgb(24, 123, 138)
HSL	hsl(188, 70%, 32%)
HSV	hsv(188, 83%, 54%)
CMYK	cmyk(82.6%, 10.9%, 0%, 45.9%)
CIE-LAB	lab(47.23, -21.39, -15.91)
CIE-LCH	lch(47.23, 26.65, 216.64°)
OKLab	oklab(53.67% -0.0749 -0.0443)
OKLCH	oklch(53.67% 0.087 210.6)
XYZ	xyz(12.0451, 16.1936, 26.5307)
Luminance	0.1620 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#187B8A #8A2718

analogous

#188A60 #187B8A #18428A

triadic

#187B8A #8A187B #7B8A18

tetradic

#187B8A #60188A #8A2718 #428A18

square

#187B8A #60188A #8A2718 #428A18

split-complementary

#187B8A #8A1842 #8A6018

monochromatic

#061E22 #0F4D56 #187B8A #21A9BE #3FC9DE

Accessibility & contrast

On white

4.95

#187B8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#187B8A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #187B8A

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##187B8A	#FFFFFF	#000000	##FFFFFF
##187B8A	1.00	4.95	4.24	4.95
#FFFFFF	4.95	1.00	21.00	1.00
#000000	4.24	21.00	1.00	21.00
##FFFFFF	4.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F768B

Deuteranopia (green-blind)

#606B8A

Tritanopia (blue-blind)

#008180

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #187b8a;
/* rgb */ color: rgb(24, 123, 138);
/* oklch */ color: oklch(53.7% 0.087 210.6);

Tailwind

colors: {
  custom: {
    50: '#6ba1ac',
    500: '#187b8a',
    950: '#000000',
  },
}

SCSS

$custom: #187b8a;
$custom-light: #6ba1ac;
$custom-dark: #000000;

JSON

{
  "hex": "#187b8a",
  "rgb": {
    "r": 24,
    "g": 123,
    "b": 138
  },
  "hsl": {
    "h": 187.895,
    "s": 70.37,
    "l": 31.765
  },
  "oklch": {
    "l": 0.53669,
    "c": 0.08708,
    "h": 210.6
  },
  "luminance": 0.16195
}

Semantic roles & 50–950 ramp

primary

#187B8A

secondary

#BD5140

accent

#523BED

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080F10

muted

#7B7E7F

Preview Lab

Preview with #187B8A

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

Preview Lab → · Contrast checker → · Palette generator →