#186F8B#186F8B

#186F8B is a mid, moderate cyan. Relative luminance 0.134; OKLCH L 50.6% C 0.089 H 225.2°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#186F8B
RGB	rgb(24, 111, 139)
HSL	hsl(195, 71%, 32%)
HSV	hsv(195, 83%, 55%)
CMYK	cmyk(82.7%, 20.1%, 0%, 45.5%)
CIE-LAB	lab(43.40, -14.45, -22.38)
CIE-LCH	lch(43.40, 26.64, 237.14°)
OKLab	oklab(50.6% -0.0624 -0.0628)
OKLCH	oklch(50.6% 0.089 225.2)
XYZ	xyz(10.7194, 13.4258, 26.4476)
Luminance	0.1343 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#186F8B #8B3418

analogous

#188B6E #186F8B #18358B

triadic

#186F8B #8B186F #6F8B18

tetradic

#186F8B #6E188B #8B3418 #358B18

square

#186F8B #6E188B #8B3418 #358B18

split-complementary

#186F8B #8B1835 #8B6E18

monochromatic

#061C23 #0F4557 #186F8B #2199BF #3FB7DE

Accessibility & contrast

On white

5.70

#186F8B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#186F8B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #186F8B

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##186F8B	#FFFFFF	#000000	##FFFFFF
##186F8B	1.00	5.70	3.69	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#606D8C

Deuteranopia (green-blind)

#51628B

Tritanopia (blue-blind)

#007778

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #186f8b;
/* rgb */ color: rgb(24, 111, 139);
/* oklch */ color: oklch(50.6% 0.089 225.2);

Tailwind

colors: {
  custom: {
    50: '#6a98ad',
    500: '#186f8b',
    950: '#000000',
  },
}

SCSS

$custom: #186f8b;
$custom-light: #6a98ad;
$custom-dark: #000000;

JSON

{
  "hex": "#186f8b",
  "rgb": {
    "r": 24,
    "g": 111,
    "b": 139
  },
  "hsl": {
    "h": 194.609,
    "s": 70.552,
    "l": 31.961
  },
  "oklch": {
    "l": 0.506,
    "c": 0.08857,
    "h": 225.2
  },
  "luminance": 0.13427
}

Semantic roles & 50–950 ramp

primary

#186F8B

secondary

#BE5F40

accent

#663AED

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#080D10

muted

#7A7E7F

Preview Lab

Preview with #186F8B

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

Preview Lab → · Contrast checker → · Palette generator →