#187B81#187B81

#187B81 is a mid, moderate teal. Relative luminance 0.159; OKLCH L 53.3% C 0.085 H 201.3°. Best body text is #FFFFFF at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#187B81
RGB	rgb(24, 123, 129)
HSL	hsl(183, 69%, 30%)
HSV	hsv(183, 81%, 51%)
CMYK	cmyk(81.4%, 4.7%, 0%, 49.4%)
CIE-LAB	lab(46.90, -24.40, -11.08)
CIE-LCH	lch(46.90, 26.79, 204.42°)
OKLab	oklab(53.3% -0.079 -0.0308)
OKLCH	oklch(53.3% 0.085 201.3)
XYZ	xyz(11.4203, 15.9437, 23.2402)
Luminance	0.1595 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#187B81 #811E18

analogous

#188153 #187B81 #184681

triadic

#187B81 #81187B #7B8118

tetradic

#187B81 #531881 #811E18 #468118

square

#187B81 #531881 #811E18 #468118

split-complementary

#187B81 #811846 #815318

monochromatic

#05191A #0E4A4D #187B81 #22ACB5 #39D1DA

Accessibility & contrast

On white

5.01

#187B81 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.19

#187B81 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #187B81

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##187B81	#FFFFFF	#000000	##FFFFFF
##187B81	1.00	5.01	4.19	5.01
#FFFFFF	5.01	1.00	21.00	1.00
#000000	4.19	21.00	1.00	21.00
##FFFFFF	5.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#717582

Deuteranopia (green-blind)

#636B81

Tritanopia (blue-blind)

#00807D

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #187b81;
/* rgb */ color: rgb(24, 123, 129);
/* oklch */ color: oklch(53.3% 0.085 201.3);

Tailwind

colors: {
  custom: {
    50: '#6aa1a5',
    500: '#187b81',
    950: '#000000',
  },
}

SCSS

$custom: #187b81;
$custom-light: #6aa1a5;
$custom-dark: #000000;

JSON

{
  "hex": "#187b81",
  "rgb": {
    "r": 24,
    "g": 123,
    "b": 129
  },
  "hsl": {
    "h": 183.429,
    "s": 68.627,
    "l": 30
  },
  "oklch": {
    "l": 0.53296,
    "c": 0.08479,
    "h": 201.3
  },
  "luminance": 0.15945
}

Semantic roles & 50–950 ramp

primary

#187B81

secondary

#B54640

accent

#463CEB

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#080F0F

muted

#7A7E7F

Preview Lab

Preview with #187B81

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

Preview Lab → · Contrast checker → · Palette generator →