#186CC9#186CC9

#186CC9 is a mid, vivid cyan. Relative luminance 0.151; OKLCH L 53.6% C 0.163 H 255.1°. Best body text is #FFFFFF at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#186CC9
RGB	rgb(24, 108, 201)
HSL	hsl(212, 79%, 44%)
HSV	hsv(212, 88%, 79%)
CMYK	cmyk(88.1%, 46.3%, 0%, 21.2%)
CIE-LAB	lab(45.82, 11.21, -54.90)
CIE-LCH	lch(45.82, 56.03, 281.54°)
OKLab	oklab(53.59% -0.0419 -0.1578)
OKLCH	oklch(53.59% 0.163 255.1)
XYZ	xyz(16.2779, 15.1343, 57.3103)
Luminance	0.1514 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#186CC9 #C97518

analogous

#18C5C9 #186CC9 #1C18C9

triadic

#186CC9 #C9186C #6CC918

tetradic

#186CC9 #C918C5 #C97518 #18C91C

square

#186CC9 #C918C5 #C97518 #18C91C

split-complementary

#186CC9 #C91C18 #C5C918

monochromatic

#0B315C #114F92 #186CC9 #378BE7 #6EAAEE

Accessibility & contrast

On white

5.21

#186CC9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#186CC9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #186CC9

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##186CC9	#FFFFFF	#000000	##FFFFFF
##186CC9	1.00	5.21	4.03	5.21
#FFFFFF	5.21	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3875CD

Deuteranopia (green-blind)

#0065C7

Tritanopia (blue-blind)

#008291

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #186cc9;
/* rgb */ color: rgb(24, 108, 201);
/* oklch */ color: oklch(53.6% 0.163 255.1);

Tailwind

colors: {
  custom: {
    50: '#7795da',
    500: '#186cc9',
    950: '#000000',
  },
}

SCSS

$custom: #186cc9;
$custom-light: #7795da;
$custom-dark: #000000;

JSON

{
  "hex": "#186cc9",
  "rgb": {
    "r": 24,
    "g": 108,
    "b": 201
  },
  "hsl": {
    "h": 211.525,
    "s": 78.667,
    "l": 44.118
  },
  "oklch": {
    "l": 0.5359,
    "c": 0.16332,
    "h": 255.1
  },
  "luminance": 0.15136
}

Semantic roles & 50–950 ramp

primary

#186CC9

secondary

#D4A169

accent

#9933F5

background

#F8F9FD

surface

#EFF1FB

border

#CACBD4

text

#0B0D15

muted

#7C7E83

Preview Lab

Preview with #186CC9

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

Preview Lab → · Contrast checker → · Palette generator →