#186B8E#186B8E

#186B8E is a mid, moderate cyan. Relative luminance 0.127; OKLCH L 49.7% C 0.093 H 231.9°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#186B8E
RGB	rgb(24, 107, 142)
HSL	hsl(198, 71%, 33%)
HSV	hsv(198, 83%, 56%)
CMYK	cmyk(83.1%, 24.6%, 0%, 44.3%)
CIE-LAB	lab(42.25, -11.04, -25.96)
CIE-LCH	lch(42.25, 28.21, 246.95°)
OKLab	oklab(49.72% -0.0573 -0.0732)
OKLCH	oklch(49.72% 0.093 231.9)
XYZ	xyz(10.5149, 12.6613, 27.4756)
Luminance	0.1266 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#186B8E #8E3B18

analogous

#188E76 #186B8E #18308E

triadic

#186B8E #8E186B #6B8E18

tetradic

#186B8E #76188E #8E3B18 #308E18

square

#186B8E #76188E #8E3B18 #308E18

split-complementary

#186B8E #8E1830 #8E7618

monochromatic

#061C25 #0F445A #186B8E #2192C2 #41B0DF

Accessibility & contrast

On white

5.94

#186B8E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#186B8E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #186B8E

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##186B8E	#FFFFFF	#000000	##FFFFFF
##186B8E	1.00	5.94	3.53	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#596A90

Deuteranopia (green-blind)

#4A5F8D

Tritanopia (blue-blind)

#007477

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #186b8e;
/* rgb */ color: rgb(24, 107, 142);
/* oklch */ color: oklch(49.7% 0.093 231.9);

Tailwind

colors: {
  custom: {
    50: '#6a95af',
    500: '#186b8e',
    950: '#000000',
  },
}

SCSS

$custom: #186b8e;
$custom-light: #6a95af;
$custom-dark: #000000;

JSON

{
  "hex": "#186b8e",
  "rgb": {
    "r": 24,
    "g": 107,
    "b": 142
  },
  "hsl": {
    "h": 197.797,
    "s": 71.084,
    "l": 32.549
  },
  "oklch": {
    "l": 0.49724,
    "c": 0.09294,
    "h": 231.9
  },
  "luminance": 0.12663
}

Semantic roles & 50–950 ramp

primary

#186B8E

secondary

#C06742

accent

#6F3AEE

background

#F6F9FA

surface

#ECF1F4

border

#C7CBCE

text

#080D10

muted

#7A7E7F

Preview Lab

Preview with #186B8E

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

Preview Lab → · Contrast checker → · Palette generator →