#186F8F#186F8F

#186F8F is a mid, moderate cyan. Relative luminance 0.135; OKLCH L 50.8% C 0.092 H 228.5°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#186F8F
RGB	rgb(24, 111, 143)
HSL	hsl(196, 71%, 33%)
HSV	hsv(196, 83%, 56%)
CMYK	cmyk(83.2%, 22.4%, 0%, 43.9%)
CIE-LAB	lab(43.57, -12.99, -24.49)
CIE-LCH	lch(43.57, 27.73, 242.06°)
OKLab	oklab(50.8% -0.0609 -0.0689)
OKLCH	oklch(50.8% 0.092 228.5)
XYZ	xyz(11.0170, 13.5449, 28.0150)
Luminance	0.1355 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#186F8F #8F3818

analogous

#188F73 #186F8F #18348F

triadic

#186F8F #8F186F #6F8F18

tetradic

#186F8F #73188F #8F3818 #348F18

square

#186F8F #73188F #8F3818 #348F18

split-complementary

#186F8F #8F1834 #8F7318

monochromatic

#061E26 #0F465B #186F8F #2198C3 #42B5DF

Accessibility & contrast

On white

5.66

#186F8F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#186F8F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #186F8F

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##186F8F	#FFFFFF	#000000	##FFFFFF
##186F8F	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E6D91

Deuteranopia (green-blind)

#4F628F

Tritanopia (blue-blind)

#00787A

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #186f8f;
/* rgb */ color: rgb(24, 111, 143);
/* oklch */ color: oklch(50.8% 0.092 228.5);

Tailwind

colors: {
  custom: {
    50: '#6b98b0',
    500: '#186f8f',
    950: '#000000',
  },
}

SCSS

$custom: #186f8f;
$custom-light: #6b98b0;
$custom-dark: #000000;

JSON

{
  "hex": "#186f8f",
  "rgb": {
    "r": 24,
    "g": 111,
    "b": 143
  },
  "hsl": {
    "h": 196.134,
    "s": 71.257,
    "l": 32.745
  },
  "oklch": {
    "l": 0.50798,
    "c": 0.09194,
    "h": 228.5
  },
  "luminance": 0.13546
}

Semantic roles & 50–950 ramp

primary

#186F8F

secondary

#C06443

accent

#6A3AEE

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#080D10

muted

#7A7E7F

Preview Lab

Preview with #186F8F

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

Preview Lab → · Contrast checker → · Palette generator →