#186DC9#186DC9

#186DC9 is a mid, vivid cyan. Relative luminance 0.153; OKLCH L 53.8% C 0.162 H 254.8°. Best body text is #FFFFFF at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#186DC9
RGB	rgb(24, 109, 201)
HSL	hsl(211, 79%, 44%)
HSV	hsv(211, 88%, 79%)
CMYK	cmyk(88.1%, 45.8%, 0%, 21.2%)
CIE-LAB	lab(46.10, 10.57, -54.44)
CIE-LCH	lch(46.10, 55.45, 280.99°)
OKLab	oklab(53.81% -0.0426 -0.1565)
OKLCH	oklch(53.81% 0.162 254.8)
XYZ	xyz(16.3840, 15.3464, 57.3456)
Luminance	0.1535 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#186DC9 #C97418

analogous

#18C6C9 #186DC9 #1B18C9

triadic

#186DC9 #C9186D #6DC918

tetradic

#186DC9 #C918C6 #C97418 #18C91B

square

#186DC9 #C918C6 #C97418 #18C91B

split-complementary

#186DC9 #C91B18 #C6C918

monochromatic

#0B325C #114F92 #186DC9 #378CE7 #6EABEE

Accessibility & contrast

On white

5.16

#186DC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#186DC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #186DC9

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##186DC9	#FFFFFF	#000000	##FFFFFF
##186DC9	1.00	5.16	4.07	5.16
#FFFFFF	5.16	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A75CC

Deuteranopia (green-blind)

#0666C7

Tritanopia (blue-blind)

#008391

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #186dc9;
/* rgb */ color: rgb(24, 109, 201);
/* oklch */ color: oklch(53.8% 0.162 254.8);

Tailwind

colors: {
  custom: {
    50: '#7796da',
    500: '#186dc9',
    950: '#000000',
  },
}

SCSS

$custom: #186dc9;
$custom-light: #7796da;
$custom-dark: #000000;

JSON

{
  "hex": "#186dc9",
  "rgb": {
    "r": 24,
    "g": 109,
    "b": 201
  },
  "hsl": {
    "h": 211.186,
    "s": 78.667,
    "l": 44.118
  },
  "oklch": {
    "l": 0.53813,
    "c": 0.16216,
    "h": 254.8
  },
  "luminance": 0.15349
}

Semantic roles & 50–950 ramp

primary

#186DC9

secondary

#D4A169

accent

#9833F5

background

#F8F9FD

surface

#EFF1FB

border

#CACBD4

text

#0B0D15

muted

#7C7E83

Preview Lab

Preview with #186DC9

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

Preview Lab → · Contrast checker → · Palette generator →