#186E8F#186E8F

#186E8F is a mid, moderate cyan. Relative luminance 0.133; OKLCH L 50.5% C 0.092 H 229.6°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#186E8F
RGB	rgb(24, 110, 143)
HSL	hsl(197, 71%, 33%)
HSV	hsv(197, 83%, 56%)
CMYK	cmyk(83.2%, 23.1%, 0%, 43.9%)
CIE-LAB	lab(43.25, -12.42, -24.99)
CIE-LCH	lch(43.25, 27.91, 243.58°)
OKLab	oklab(50.54% -0.0599 -0.0703)
OKLCH	oklch(50.54% 0.092 229.6)
XYZ	xyz(10.9085, 13.3279, 27.9789)
Luminance	0.1333 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#186E8F #8F3918

analogous

#188F75 #186E8F #18328F

triadic

#186E8F #8F186E #6E8F18

tetradic

#186E8F #75188F #8F3918 #328F18

square

#186E8F #75188F #8F3918 #328F18

split-complementary

#186E8F #8F1832 #8F7518

monochromatic

#061D26 #0F465B #186E8F #2196C3 #42B4DF

Accessibility & contrast

On white

5.73

#186E8F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#186E8F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #186E8F

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##186E8F	#FFFFFF	#000000	##FFFFFF
##186E8F	1.00	5.73	3.67	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D6C91

Deuteranopia (green-blind)

#4D618F

Tritanopia (blue-blind)

#007779

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #186e8f;
/* rgb */ color: rgb(24, 110, 143);
/* oklch */ color: oklch(50.5% 0.092 229.6);

Tailwind

colors: {
  custom: {
    50: '#6b97b0',
    500: '#186e8f',
    950: '#000000',
  },
}

SCSS

$custom: #186e8f;
$custom-light: #6b97b0;
$custom-dark: #000000;

JSON

{
  "hex": "#186e8f",
  "rgb": {
    "r": 24,
    "g": 110,
    "b": 143
  },
  "hsl": {
    "h": 196.639,
    "s": 71.257,
    "l": 32.745
  },
  "oklch": {
    "l": 0.50542,
    "c": 0.09238,
    "h": 229.6
  },
  "luminance": 0.13329
}

Semantic roles & 50–950 ramp

primary

#186E8F

secondary

#C06543

accent

#6C3AEE

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#080D10

muted

#7A7E7F

Preview Lab

Preview with #186E8F

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

Preview Lab → · Contrast checker → · Palette generator →