#186B8F#186B8F

#186B8F is a mid, moderate cyan. Relative luminance 0.127; OKLCH L 49.8% C 0.094 H 232.7°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#186B8F
RGB	rgb(24, 107, 143)
HSL	hsl(198, 71%, 33%)
HSV	hsv(198, 83%, 56%)
CMYK	cmyk(83.2%, 25.2%, 0%, 43.9%)
CIE-LAB	lab(42.29, -10.67, -26.48)
CIE-LCH	lch(42.29, 28.55, 248.05°)
OKLab	oklab(49.78% -0.0569 -0.0747)
OKLCH	oklch(49.78% 0.094 232.7)
XYZ	xyz(10.5903, 12.6914, 27.8728)
Luminance	0.1269 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#186B8F #8F3C18

analogous

#188F77 #186B8F #18308F

triadic

#186B8F #8F186B #6B8F18

tetradic

#186B8F #77188F #8F3C18 #308F18

square

#186B8F #77188F #8F3C18 #308F18

split-complementary

#186B8F #8F1830 #8F7718

monochromatic

#061D26 #0F445B #186B8F #2192C3 #42B0DF

Accessibility & contrast

On white

5.93

#186B8F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#186B8F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #186B8F

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##186B8F	#FFFFFF	#000000	##FFFFFF
##186B8F	1.00	5.93	3.54	5.93
#FFFFFF	5.93	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#596A91

Deuteranopia (green-blind)

#495F8E

Tritanopia (blue-blind)

#007577

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #186b8f;
/* rgb */ color: rgb(24, 107, 143);
/* oklch */ color: oklch(49.8% 0.094 232.7);

Tailwind

colors: {
  custom: {
    50: '#6b95b0',
    500: '#186b8f',
    950: '#000000',
  },
}

SCSS

$custom: #186b8f;
$custom-light: #6b95b0;
$custom-dark: #000000;

JSON

{
  "hex": "#186b8f",
  "rgb": {
    "r": 24,
    "g": 107,
    "b": 143
  },
  "hsl": {
    "h": 198.151,
    "s": 71.257,
    "l": 32.745
  },
  "oklch": {
    "l": 0.49776,
    "c": 0.09391,
    "h": 232.7
  },
  "luminance": 0.12693
}

Semantic roles & 50–950 ramp

primary

#186B8F

secondary

#C06943

accent

#703AEE

background

#F6F9FA

surface

#ECF1F4

border

#C7CBCE

text

#080D10

muted

#7A7E7F

Preview Lab

Preview with #186B8F

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

Preview Lab → · Contrast checker → · Palette generator →