#186678#186678

#186678 is a mid, moderate cyan. Relative luminance 0.111; OKLCH L 47.3% C 0.077 H 217.3°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#186678
RGB	rgb(24, 102, 120)
HSL	hsl(191, 67%, 28%)
HSV	hsv(191, 80%, 47%)
CMYK	cmyk(80%, 15%, 0%, 52.9%)
CIE-LAB	lab(39.67, -16.20, -16.66)
CIE-LCH	lch(39.67, 23.24, 225.79°)
OKLab	oklab(47.34% -0.0611 -0.0465)
OKLCH	oklch(47.34% 0.077 217.3)
XYZ	xyz(8.5168, 11.0520, 19.4500)
Luminance	0.1105 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#186678 #782A18

analogous

#18785A #186678 #183678

triadic

#186678 #781866 #667818

tetradic

#186678 #5A1878 #782A18 #367818

square

#186678 #5A1878 #782A18 #367818

split-complementary

#186678 #781836 #785A18

monochromatic

#05161A #0E3B45 #186678 #2291AB #34B8D6

Accessibility & contrast

On white

6.54

#186678 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#186678 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #186678

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##186678	#FFFFFF	#000000	##FFFFFF
##186678	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A6379

Deuteranopia (green-blind)

#4D5978

Tritanopia (blue-blind)

#006C6C

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #186678;
/* rgb */ color: rgb(24, 102, 120);
/* oklch */ color: oklch(47.3% 0.077 217.3);

Tailwind

colors: {
  custom: {
    50: '#66919f',
    500: '#186678',
    950: '#000000',
  },
}

SCSS

$custom: #186678;
$custom-light: #66919f;
$custom-dark: #000000;

JSON

{
  "hex": "#186678",
  "rgb": {
    "r": 24,
    "g": 102,
    "b": 120
  },
  "hsl": {
    "h": 191.25,
    "s": 66.667,
    "l": 28.235
  },
  "oklch": {
    "l": 0.4734,
    "c": 0.07679,
    "h": 217.3
  },
  "luminance": 0.11053
}

Semantic roles & 50–950 ramp

primary

#186678

secondary

#AD543F

accent

#5E3EEA

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070D0E

muted

#7A7D7E

Preview Lab

Preview with #186678

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

Preview Lab → · Contrast checker → · Palette generator →