#186D81#186D81

#186D81 is a mid, moderate cyan. Relative luminance 0.127; OKLCH L 49.6% C 0.082 H 218.0°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#186D81
RGB	rgb(24, 109, 129)
HSL	hsl(191, 69%, 30%)
HSV	hsv(191, 81%, 51%)
CMYK	cmyk(81.4%, 15.5%, 0%, 49.4%)
CIE-LAB	lab(42.33, -16.92, -18.02)
CIE-LCH	lch(42.33, 24.72, 226.81°)
OKLab	oklab(49.6% -0.0645 -0.0504)
OKLCH	oklch(49.6% 0.082 218)
XYZ	xyz(9.8061, 12.7152, 22.7021)
Luminance	0.1272 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#186D81 #812C18

analogous

#188161 #186D81 #183881

triadic

#186D81 #81186D #6D8118

tetradic

#186D81 #611881 #812C18 #388118

square

#186D81 #611881 #812C18 #388118

split-complementary

#186D81 #811838 #816118

monochromatic

#05161A #0E414D #186D81 #2299B5 #39BCDA

Accessibility & contrast

On white

5.93

#186D81 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#186D81 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #186D81

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##186D81	#FFFFFF	#000000	##FFFFFF
##186D81	1.00	5.93	3.54	5.93
#FFFFFF	5.93	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#606A82

Deuteranopia (green-blind)

#526081

Tritanopia (blue-blind)

#007473

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #186d81;
/* rgb */ color: rgb(24, 109, 129);
/* oklch */ color: oklch(49.6% 0.082 218.0);

Tailwind

colors: {
  custom: {
    50: '#6897a5',
    500: '#186d81',
    950: '#000000',
  },
}

SCSS

$custom: #186d81;
$custom-light: #6897a5;
$custom-dark: #000000;

JSON

{
  "hex": "#186d81",
  "rgb": {
    "r": 24,
    "g": 109,
    "b": 129
  },
  "hsl": {
    "h": 191.429,
    "s": 68.627,
    "l": 30
  },
  "oklch": {
    "l": 0.49604,
    "c": 0.08187,
    "h": 218
  },
  "luminance": 0.12716
}

Semantic roles & 50–950 ramp

primary

#186D81

secondary

#B55640

accent

#5E3CEB

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#070D0F

muted

#7A7E7F

Preview Lab

Preview with #186D81

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

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