#186F90#186F90

#186F90 is a mid, moderate cyan. Relative luminance 0.136; OKLCH L 50.8% C 0.093 H 229.3°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#186F90
RGB	rgb(24, 111, 144)
HSL	hsl(197, 71%, 33%)
HSV	hsv(197, 83%, 56%)
CMYK	cmyk(83.3%, 22.9%, 0%, 43.5%)
CIE-LAB	lab(43.62, -12.62, -25.02)
CIE-LCH	lch(43.62, 28.03, 243.23°)
OKLab	oklab(50.85% -0.0605 -0.0704)
OKLCH	oklch(50.85% 0.093 229.3)
XYZ	xyz(11.0931, 13.5753, 28.4158)
Luminance	0.1358 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#186F90 #903918

analogous

#189075 #186F90 #183390

triadic

#186F90 #90186F #6F9018

tetradic

#186F90 #751890 #903918 #339018

square

#186F90 #751890 #903918 #339018

split-complementary

#186F90 #901833 #907518

monochromatic

#071E27 #0F475C #186F90 #2197C4 #43B4E0

Accessibility & contrast

On white

5.65

#186F90 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#186F90 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #186F90

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##186F90	#FFFFFF	#000000	##FFFFFF
##186F90	1.00	5.65	3.72	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E6D92

Deuteranopia (green-blind)

#4E6290

Tritanopia (blue-blind)

#00787A

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #186f90;
/* rgb */ color: rgb(24, 111, 144);
/* oklch */ color: oklch(50.8% 0.093 229.3);

Tailwind

colors: {
  custom: {
    50: '#6b98b0',
    500: '#186f90',
    950: '#000000',
  },
}

SCSS

$custom: #186f90;
$custom-light: #6b98b0;
$custom-dark: #000000;

JSON

{
  "hex": "#186f90",
  "rgb": {
    "r": 24,
    "g": 111,
    "b": 144
  },
  "hsl": {
    "h": 196.5,
    "s": 71.429,
    "l": 32.941
  },
  "oklch": {
    "l": 0.50848,
    "c": 0.09283,
    "h": 229.3
  },
  "luminance": 0.13577
}

Semantic roles & 50–950 ramp

primary

#186F90

secondary

#C06643

accent

#6B3AEE

background

#F7F9FA

surface

#EDF2F5

border

#C8CCCF

text

#080D10

muted

#7B7E7F

Preview Lab

Preview with #186F90

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

Preview Lab → · Contrast checker → · Palette generator →