#186D8F#186D8F

#186D8F is a mid, moderate cyan. Relative luminance 0.131; OKLCH L 50.3% C 0.093 H 230.6°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#186D8F
RGB	rgb(24, 109, 143)
HSL	hsl(197, 71%, 33%)
HSV	hsv(197, 83%, 56%)
CMYK	cmyk(83.2%, 23.8%, 0%, 43.9%)
CIE-LAB	lab(42.93, -11.84, -25.49)
CIE-LCH	lch(42.93, 28.10, 245.09°)
OKLab	oklab(50.29% -0.0589 -0.0718)
OKLCH	oklch(50.29% 0.093 230.6)
XYZ	xyz(10.8012, 13.1133, 27.9431)
Luminance	0.1311 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#186D8F #8F3A18

analogous

#188F75 #186D8F #18318F

triadic

#186D8F #8F186D #6D8F18

tetradic

#186D8F #75188F #8F3A18 #318F18

square

#186D8F #75188F #8F3A18 #318F18

split-complementary

#186D8F #8F1831 #8F7518

monochromatic

#061D26 #0F455B #186D8F #2195C3 #42B2DF

Accessibility & contrast

On white

5.80

#186D8F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#186D8F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #186D8F

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##186D8F	#FFFFFF	#000000	##FFFFFF
##186D8F	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C6C91

Deuteranopia (green-blind)

#4C618F

Tritanopia (blue-blind)

#007678

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #186d8f;
/* rgb */ color: rgb(24, 109, 143);
/* oklch */ color: oklch(50.3% 0.093 230.6);

Tailwind

colors: {
  custom: {
    50: '#6b96b0',
    500: '#186d8f',
    950: '#000000',
  },
}

SCSS

$custom: #186d8f;
$custom-light: #6b96b0;
$custom-dark: #000000;

JSON

{
  "hex": "#186d8f",
  "rgb": {
    "r": 24,
    "g": 109,
    "b": 143
  },
  "hsl": {
    "h": 197.143,
    "s": 71.257,
    "l": 32.745
  },
  "oklch": {
    "l": 0.50286,
    "c": 0.09286,
    "h": 230.6
  },
  "luminance": 0.13115
}

Semantic roles & 50–950 ramp

primary

#186D8F

secondary

#C06743

accent

#6D3AEE

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#080D10

muted

#7A7E7F

Preview Lab

Preview with #186D8F

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

Preview Lab → · Contrast checker → · Palette generator →