#186C8F#186C8F

#186C8F is a mid, moderate cyan. Relative luminance 0.129; OKLCH L 50.0% C 0.093 H 231.7°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#186C8F
RGB	rgb(24, 108, 143)
HSL	hsl(198, 71%, 33%)
HSV	hsv(198, 83%, 56%)
CMYK	cmyk(83.2%, 24.5%, 0%, 43.9%)
CIE-LAB	lab(42.61, -11.26, -25.98)
CIE-LCH	lch(42.61, 28.32, 246.58°)
OKLab	oklab(50.03% -0.0579 -0.0732)
OKLCH	oklch(50.03% 0.093 231.7)
XYZ	xyz(10.6952, 12.9011, 27.9078)
Luminance	0.1290 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#186C8F #8F3B18

analogous

#188F76 #186C8F #18318F

triadic

#186C8F #8F186C #6C8F18

tetradic

#186C8F #76188F #8F3B18 #318F18

square

#186C8F #76188F #8F3B18 #318F18

split-complementary

#186C8F #8F1831 #8F7618

monochromatic

#061D26 #0F445B #186C8F #2194C3 #42B1DF

Accessibility & contrast

On white

5.87

#186C8F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#186C8F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #186C8F

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##186C8F	#FFFFFF	#000000	##FFFFFF
##186C8F	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A6B91

Deuteranopia (green-blind)

#4B608E

Tritanopia (blue-blind)

#007578

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #186c8f;
/* rgb */ color: rgb(24, 108, 143);
/* oklch */ color: oklch(50.0% 0.093 231.7);

Tailwind

colors: {
  custom: {
    50: '#6b96b0',
    500: '#186c8f',
    950: '#000000',
  },
}

SCSS

$custom: #186c8f;
$custom-light: #6b96b0;
$custom-dark: #000000;

JSON

{
  "hex": "#186c8f",
  "rgb": {
    "r": 24,
    "g": 108,
    "b": 143
  },
  "hsl": {
    "h": 197.647,
    "s": 71.257,
    "l": 32.745
  },
  "oklch": {
    "l": 0.50031,
    "c": 0.09337,
    "h": 231.7
  },
  "luminance": 0.12902
}

Semantic roles & 50–950 ramp

primary

#186C8F

secondary

#C06843

accent

#6F3AEE

background

#F6F9FA

surface

#ECF1F4

border

#C7CBCE

text

#080D10

muted

#7A7E7F

Preview Lab

Preview with #186C8F

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

Preview Lab → · Contrast checker → · Palette generator →