#186E8A#186E8A

#186E8A is a mid, moderate cyan. Relative luminance 0.132; OKLCH L 50.3% C 0.088 H 225.4°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#186E8A
RGB	rgb(24, 110, 138)
HSL	hsl(195, 70%, 32%)
HSV	hsv(195, 83%, 54%)
CMYK	cmyk(82.6%, 20.3%, 0%, 45.9%)
CIE-LAB	lab(43.03, -14.25, -22.34)
CIE-LCH	lch(43.03, 26.50, 237.48°)
OKLab	oklab(50.29% -0.0618 -0.0627)
OKLCH	oklch(50.29% 0.088 225.4)
XYZ	xyz(10.5382, 13.1797, 26.0284)
Luminance	0.1318 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#186E8A #8A3418

analogous

#188A6D #186E8A #18358A

triadic

#186E8A #8A186E #6E8A18

tetradic

#186E8A #6D188A #8A3418 #358A18

square

#186E8A #6D188A #8A3418 #358A18

split-complementary

#186E8A #8A1835 #8A6D18

monochromatic

#061B22 #0F4456 #186E8A #2198BE #3FB7DE

Accessibility & contrast

On white

5.78

#186E8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#186E8A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #186E8A

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##186E8A	#FFFFFF	#000000	##FFFFFF
##186E8A	1.00	5.78	3.64	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F6C8B

Deuteranopia (green-blind)

#50618A

Tritanopia (blue-blind)

#007677

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #186e8a;
/* rgb */ color: rgb(24, 110, 138);
/* oklch */ color: oklch(50.3% 0.088 225.4);

Tailwind

colors: {
  custom: {
    50: '#6a97ac',
    500: '#186e8a',
    950: '#000000',
  },
}

SCSS

$custom: #186e8a;
$custom-light: #6a97ac;
$custom-dark: #000000;

JSON

{
  "hex": "#186e8a",
  "rgb": {
    "r": 24,
    "g": 110,
    "b": 138
  },
  "hsl": {
    "h": 194.737,
    "s": 70.37,
    "l": 31.765
  },
  "oklch": {
    "l": 0.50293,
    "c": 0.08809,
    "h": 225.4
  },
  "luminance": 0.13181
}

Semantic roles & 50–950 ramp

primary

#186E8A

secondary

#BD5F40

accent

#663BED

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#080D10

muted

#7A7E7F

Preview Lab

Preview with #186E8A

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

Preview Lab → · Contrast checker → · Palette generator →